BETZ LABORATORIES INC
8-K, 1996-07-12
MISCELLANEOUS CHEMICAL PRODUCTS
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                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, DC  20549
                                                        

                                   FORM 8-K

                               CURRENT REPORT 
                   PURSUANT TO SECTION 13 OR 15(D) OF THE 
                       SECURITIES EXCHANGE ACT OF 1934

          Date of Report (Date of earliest event reported):  June 28, 1996
        
                              BetzDearborn Inc.
              (Exact Name of Registrant as Specified in Charter)

                  Pennsylvania                0-2085         23-1503731 
          (State or Other Jurisdiction     (Commission     (IRS Employer   
           of Incorporation)                File Number)   Identification No.)

               4636 Somerton Road, Trevose, PA              19053   
              (Address of Principal Executive Offices)    (Zip Code)     

          Registrant's telephone number, including area code: (215) 355-3300

                           Betz Laboratories, Inc.
          (Former Name or Former Address, if Changed Since Last Report)


          ITEM 2.   ACQUISITION OR DISPOSITION OF ASSETS.

                    On June 28, 1996, pursuant to the Grace Dear-
          born Worldwide Purchase and Sale Agreement, dated as of
          March 11, 1995, by and between W. R. Grace & Co.-Conn.
          ("Grace"), a Connecticut corporation and wholly-owned
          subsidiary of W. R. Grace & Co., and Betz Laboratories,
          Inc., a Pennsylvania corporation (the "Company"), the
          Company and certain of its subsidiaries acquired (the
          "Acquisition") certain assets and liabilities comprising
          the Dearborn water treatment business (the "Dearborn
          Business") from Grace and certain of Grace's subsidiaries
          for a purchase price of $632 million, subject to certain
          adjustments, of which (i) $100 million was paid in the
          form of a promissory note (maturing on January 2, 1997),
          that is secured by a letter of credit issued under the
          Credit Agreement (as defined herein), (ii) $1.6 million
          was paid in the form of a promissory note (which matured
          on July 9, 1996) and (iii) the remainder was paid in
          cash.  The purchase price was established through arms-
          length negotiations between Grace and the Company.  The
          Company intends to combine the Dearborn Business with its
          current operations and use the assets acquired in the
          Acquisition, including certain manufacturing facilities,
          in the operation of the combined business.  Immediately
          following the Acquisition, the Company changed its name
          from Betz Laboratories, Inc. to BetzDearborn Inc.

                    Prior to the consummation of the Acquisition,
          the Company, Betz Canada Inc., a wholly-owned subsidiary
          of the Company ("Betz Canada"), the banks parties thereto
          and Morgan Guaranty Trust Company of New York, as Agent,
          entered into a credit agreement, dated as of June 20,
          1996 (the "Credit Agreement"), which provides for a five-
          year unsecured revolving credit facility in an initial
          amount of $750 million that reduces to $550 million after
          two years.  On June 28, 1996, the Company and Betz Canada
          borrowed approximately $560 million under the Credit
          Agreement in order to finance the Acquisition.

                    The loans under the Credit Agreement have a
          maturity date of July 8, 2001 (subject to partial manda-
          tory prepayment, if necessary, upon reduction in the
          maximum amount of the banks' commitments on June 28, 1998
          to $550 million).  In the event that the banks' commit-
          ments exceed $550 million, such commitments are subject
          to mandatory reduction (but not below $550 million) by
          amounts equal to 75% of the net cash proceeds realized by
          the Company or its subsidiaries from certain incurrences
          of long-term debt, certain issuances of equity securities
          and securitization transactions.  Under the terms of the
          Credit Agreement, the Company is required to meet certain
          financial tests and comply with certain other covenants
          of a customary nature.

                    The foregoing description of certain terms and
          provisions of the Credit Agreement is qualified in its
          entirety by reference to the text of the Credit Agree-
          ment, a copy of which is filed as Exhibit 10.1 hereto.

          ITEM 7.   FINANCIAL STATEMENTS AND EXHIBITS.

                    (a)  Financial Statements of Business Acquired. 
          The Company has determined that it is impracticable to
          provide the financial statements of the Dearborn Business
          which are required to be reported in this Current Report
          on Form 8-K.  The Company will file the required finan-
          cial statements under cover of an amendment to this Form
          8-K as soon as practicable but in no event later than
          September 13, 1996.

                    (b)  Pro Forma Financial Information.   The
          Company has determined that it is impracticable to pro-
          vide the pro forma financial information required to be
          reported in this Current Report on Form 8-K.  The Company
          will file the required pro forma financial information
          under cover of an amendment to this Current Report on
          Form 8-K as soon as practicable but in no event later
          than September 13, 1996.

                    (c)  Exhibits.

          2.1       Grace Dearborn Worldwide Purchase and Sale
                    Agreement, dated as of March 11, 1996, by and
                    between Grace and the Company (previously filed
                    as Exhibit 2.1 to the Company's Current Report
                    on Form 8-K/A filed by the Company on March 29,
                    1996 and incorporated herein by reference.)

          10.1      Credit Agreement, dated as of June 20, 1996, by
                    and among the Company, Betz Canada Inc., the
                    banks parties thereto and Morgan Guaranty Trust
                    Company of New York, as Agent.


                                   SIGNATURE

                    Pursuant to the requirements of the Securities
          Exchange Act of 1934, the Registrant has duly caused this
          report to be signed on its behalf by the undersigned
          hereunto duly authorized.

          Date:  July 12, 1996

                                        BETZDEARBORN INC.

                                        By: /s/ William R. Cook    
                                           Name:   William R. Cook
                                           Title:  Chairman, President and
                                                   Chief Executive Officer


          EXHIBIT INDEX
          EXHIBIT                                                  PAGE NO.

          2.1         Grace Dearborn Worldwide Purchase and
                      Sale Agreement, dated as of March 11,
                      1996, by and between Grace and the Compa-
                      ny (previously filed as Exhibit 2.1 to
                      the Company's Current Report on Form 8-
                      K/A filed by the Company on March 29,
                      1996 and incorporated herein by refer-
                      ence.)

          10.1        Credit Agreement, dated as of June 20,
                      1996, by and among the Company, Betz Can-
                      ada Inc., the banks parties thereto and
                      Morgan Guaranty Trust Company of New
                      York, as Agent.





                                                      CONFORMED COPY

                                $750,000,000

                              CREDIT AGREEMENT

                                dated as of

                               June 20, 1996

                                   among

                          Betz Laboratories, Inc.,

                             Betz Canada Inc.,

                         The Banks Parties Hereto,

                                    and

                 Morgan Guaranty Trust Company of New York,
                                  as Agent


                             TABLE OF CONTENTS

                                                                Page

                                 ARTICLE 1

                                DEFINITIONS

         1.1.   Definitions  . . . . . . . . . . . . . . . . . .   
         1.2.   Accounting Terms and Determinations  . . . . . .   
         1.3.   Types of Borrowings  . . . . . . . . . . . . . .   

                                 ARTICLE 2

                                THE CREDITS

         2.1.   Commitments to Lend  . . . . . . . . . . . . . .   
         2.2.   Notice of Committed Borrowing  . . . . . . . . .   
         2.3.   Money Market Borrowings  . . . . . . . . . . . .   
         2.4.   Notice to Banks; Funding of Loans  . . . . . . .   
         2.5.   Notes  . . . . . . . . . . . . . . . . . . . . .   
         2.6.   Maturity of Loans  . . . . . . . . . . . . . . .   
         2.7.   Interest Rates . . . . . . . . . . . . . . . . .   
         2.8.   Fees . . . . . . . . . . . . . . . . . . . . . .   
         2.9.   Optional Termination or Reduction of Commitments   
         2.10.  Method of Electing Interest Rates  . . . . . . .   
         2.11.  Mandatory Termination and Reduction of Commitments  
         2.12.  Optional Prepayments   . . . . . . . . . . . . .   
         2.13.  General Provisions as to Payments  . . . . . . .   
         2.14.  Funding Losses   . . . . . . . . . . . . . . . .   
         2.15.  Computation of Interest and Fees   . . . . . . .   
         2.16.  Regulation D Compensation  . . . . . . . . . . .   
         2.17.  Judgment Currency  . . . . . . . . . . . . . . .   
         2.18.  Foreign Subsidiary Costs . . . . . . . . . . . .  
         2.19.  Letter of Credit . . . . . . . . . . . . . . . .  

                                 ARTICLE 3

                                 CONDITIONS

         3.1.   Closing  . . . . . . . . . . . . . . . . . . . .   
         3.2.   Borrowings and Issuance of Letter of Credit  . .   
         3.3.   First Borrowing by Each Eligible Subsidiary  . .   

                                 ARTICLE 4

                       REPRESENTATIONS AND WARRANTIES

         4.1.   Corporate Existence and Power  . . . . . . . . .   
         4.2.   Corporate and Governmental Authorization; No 
                 Contravention   . . . . . . . . . . . . . . . .   
         4.3.   Binding Effect . . . . . . . . . . . . . . . . .   
         4.4.   Financial Information  . . . . . . . . . . . . .   
         4.5.   Litigation . . . . . . . . . . . . . . . . . . .   
         4.6.   Compliance with ERISA  . . . . . . . . . . . . .   
         4.7.   Environmental Matters  . . . . . . . . . . . . .   
         4.8.   Taxes  . . . . . . . . . . . . . . . . . . . . .   
         4.9.   Subsidiaries . . . . . . . . . . . . . . . . . .   
         4.10.  Regulatory Restrictions on Borrowing   . . . . .   
         4.11.  Full Disclosure  . . . . . . . . . . . . . . . .   
         4.12.  Representations and Warranties Relating to 
                 Dearborn  . . . . . . . . . . . . . . . . . . .   


                                 ARTICLE 5

                                 COVENANTS

         5.1.A. Company Information  . . . . . . . . . . . . . .  
         5.1.B. Other Borrower Information . . . . . . . . . . .  
         5.2.   Payment of Obligations . . . . . . . . . . . . .   
         5.3.   Maintenance of Property; Insurance . . . . . . .   
         5.4.   Conduct of Business and Maintenance of Existence   
         5.5.   Compliance with Laws . . . . . . . . . . . . . .   
         5.6.   Inspection of Property, Books and Records  . . .   
         5.7.   Mergers and Sales of Assets  . . . . . . . . . .   
         5.8.   Use of Proceeds  . . . . . . . . . . . . . . . .   
         5.9.   Negative Pledge  . . . . . . . . . . . . . . . .   
         5.10.  Debt to Total Capital  . . . . . . . . . . . . .   
         5.11.  Debt of Subsidiaries   . . . . . . . . . . . . .   
         5.12.  Interest Coverage Ratio  . . . . . . . . . . . .   
         5.13.  Minimum Consolidated Net Worth   . . . . . . . .   
         5.14.  Sale-Leaseback Transactions  . . . . . . . . . .   
         5.15.  Transactions with Affiliates   . . . . . . . . .   

                                 ARTICLE 6

                                  DEFAULTS

         6.1.   Events of Default  . . . . . . . . . . . . . . .   
         6.2.   Notice of Default  . . . . . . . . . . . . . . .   
         6.3.   Cash Cover . . . . . . . . . . . . . . . . . . .   

                                 ARTICLE 7

                                 THE AGENT

         7.1.   Appointment and Authorization  . . . . . . . . .   
         7.2.   Agent and Affiliates . . . . . . . . . . . . . .   
         7.3.   Action by Agent  . . . . . . . . . . . . . . . .   
         7.4.   Consultation with Experts  . . . . . . . . . . .   
         7.5.   Liability of Agent . . . . . . . . . . . . . . .   
         7.6.   Indemnification  . . . . . . . . . . . . . . . .   
         7.7.   Credit Decision  . . . . . . . . . . . . . . . .   
         7.8.   Successor Agent  . . . . . . . . . . . . . . . .   
         7.9.   Agent's Fee  . . . . . . . . . . . . . . . . . .   

                                 ARTICLE 8

                          CHANGE IN CIRCUMSTANCES

         8.1.   Basis for Determining Interest Rate Inadequate or
                  Unfair   . . . . . . . . . . . . . . . . . . .   
         8.2.   Illegality . . . . . . . . . . . . . . . . . . .   
         8.3.   Increased Cost and Reduced Return  . . . . . . .   
         8.4.   Taxes  . . . . . . . . . . . . . . . . . . . . .   
         8.5.   Base Rate Loans Substituted for Affected Fixed 
                 Rate Loans  . . . . . . . . . . . . . . . . . .   
         8.6.   Substitution of Bank . . . . . . . . . . . . . .   
         8.7.   Allocations  . . . . . . . . . . . . . . . . . .   

                                 ARTICLE 9

                       REPRESENTATIONS AND WARRANTIES
                          OF ELIGIBLE SUBSIDIARIES


                                                                Page

         9.1.   Corporate Existence and Power  . . . . . . . . . 
         9.2.   Corporate and Governmental Authorization; 
                 Contravention   . . . . . . . . . . . . . . . . 
         9.3.   Binding Effect . . . . . . . . . . . . . . . . .   
         9.4.   Taxes  . . . . . . . . . . . . . . . . . . . . .   

                                 ARTICLE 10

                                  GUARANTY

         10.1.   The Guaranty  . . . . . . . . . . . . . . . . .   
         10.2.   Guaranty Unconditional  . . . . . . . . . . . .   
         10.3.   Discharge Only Upon Payment In Full; 
                  Reinstatement In Certain Circumstances . . . .   
         10.4.   Waiver by the Company . . . . . . . . . . . . .   
         10.5.   Subrogation . . . . . . . . . . . . . . . . . .   
         10.6.   Stay of Acceleration  . . . . . . . . . . . . .   
         10.7.   Continuing Guaranty . . . . . . . . . . . . . .   

                                 ARTICLE 11

                               MISCELLANEOUS

         11.1.   Notices . . . . . . . . . . . . . . . . . . . .   
         11.2.   No Waivers  . . . . . . . . . . . . . . . . . .   
         11.3.   Expenses; Indemnification . . . . . . . . . . .   
         11.4.   Sharing of Set-Offs . . . . . . . . . . . . . .   
         11.5.   Amendments and Waivers  . . . . . . . . . . . .   
         11.6.   Successors and Assigns  . . . . . . . . . . . .   
         11.7.   Collateral  . . . . . . . . . . . . . . . . . .   
         11.8.   Governing Law; Submission to Jurisdiction . . .   
         11.9.   Counterparts; Integration; Effectiveness  . . .   
         11.10.  WAIVER OF JURY TRIAL  . . . . . . . . . . . . .   
         11.11.  Confidentiality . . . . . . . . . . . . . . . .  

         PRICING SCHEDULE

         EXHIBIT A   - Letter of Credit
         EXHIBIT B   - Note
         EXHIBIT C   - Money Market Quote Request
         EXHIBIT D   - Invitation for Money Market Quotes
         EXHIBIT E   - Money Market Quote
         EXHIBIT F-1 - Opinion of Counsel for the Company
                        and United States Counsel for Betz Canada
         EXHIBIT F-2 - Opinion of Canadian Counsel 
                        for Betz Canada
         EXHIBIT G   - Opinion of Special Counsel 
                        for the Agent
         EXHIBIT H   - Form of Election to Participate
         EXHIBIT I   - Form of Election to Terminate
         EXHIBIT J   - Matters to be covered in the Opinions 
                        of Counsel for the Eligible Subsidiary 
                        and the Company
         EXHIBIT K   - Assignment and Assumption Agreement


                 CREDIT AGREEMENT dated as of June 20, 1996 among
        BETZ LABORATORIES, INC., BETZ CANADA INC., the BANKS parties
        hereto and MORGAN GUARANTY TRUST COMPANY OF NEW YORK, as
        Agent.

                 The parties hereto agree as follows: 

                                 ARTICLE 1

                                DEFINITIONS

                 SECTION 1.1.  Definitions.  The following terms,
        as used herein, have the following meanings: 

                 "Absolute Rate Auction" means a solicitation of
        Money Market Quotes setting forth Money Market Absolute
        Rates pursuant to Section 2.3.  

                 "Acquisition Agreement" means the Grace Dearborn
        Worldwide Purchase and Sale Agreement, dated as of March 11,
        1996, between the Company and W.R. Grace & Co.-Conn, and any
        and all amendments thereto.

                 "Adjusted CD Rate" has the meaning set forth in
        Section 2.7(b).  

                 "Administrative Questionnaire" means, with respect
        to each Bank, an administrative questionnaire in the form
        prepared by the Agent and submitted to the Agent (with a
        copy to the Company) duly completed by such Bank.

                 "Affiliate" means (i) any Person that directly, or
        indirectly through one or more intermediaries, controls the
        Company (a "Controlling Person") or (ii) any Person (other
        than the Company or a Subsidiary) which is controlled by or
        is under common control with a Controlling Person.  As used
        herein, the term "control" means possession, directly or
        indirectly, of the power to vote 10% or more of any class of
        voting securities of a Person or to direct or cause the
        direction of the management or policies of a Person, whether
        through the ownership of voting securities, by contract or
        otherwise.

                 "Agent" means Morgan Guaranty Trust Company of New
        York in its capacity as agent for the Banks hereunder, and
        its successors in such capacity.

                 "Applicable Lending Office" means, with respect to
        any Bank, (i) in the case of its Domestic Loans, its Domes-
        tic Lending Office, (ii) in the case of its Euro-Dollar
        Loans, its Euro-Dollar Lending Office and (iii) in the case
        of its Money Market Loans, its Money Market Lending Office.

                 "Assessment Rate" has the meaning set forth in
        Section 2.7(b).

                 "Assignee" has the meaning set forth in Section
        11.6(c).

                 "Bank" means each bank listed on the signature
        pages hereof, each Assignee which becomes a Bank pursuant to
        Section 11.6(c), and their respective successors. 

                 "Bankruptcy Remote Subsidiary" means any Subsid-
        iary of the Company created in connection with a Permitted
        Securitization Transaction which has no material creditors
        other than the purchaser or lender related to such Permitted
        Securitization Transaction and the Company or any Subsidiary
        of the Company that is the originator and seller or contrib-
        utor of accounts receivable to such Subsidiary in connection
        with a Permitted Securitization Transaction.

                 "Base Rate" means, for any day, a rate per annum
        equal to the higher of (i) the Prime Rate for such day and
        (ii) the sum of 1/2 of 1% plus the Federal Funds Rate for
        such day.  

                 "Base Rate Loan" means (i) a Committed Loan which
        bears interest at the Base Rate pursuant to the applicable
        Notice of Committed Borrowing or Notice of Interest Rate
        Election or the provisions of Article 8 or (ii) an overdue
        amount which was a Base Rate Loan immediately before it
        became overdue.  

                 "Beneficiary" has the meaning set forth in the
        Letter of Credit.

                 "Benefit Arrangement" means at any time an employ-
        ee benefit plan within the meaning of Section 3(3) of ERISA
        which is not a Plan or a Multiemployer Plan and which is
        maintained or otherwise contributed to by any member of the
        ERISA Group.

                 "Betz Canada" means Betz Canada Inc., a corpora-
        tion incorporated under the federal laws of Canada, and its
        successors.

                 "Borrower" means the Company or any Eligible
        Subsidiary, as the context may require, and their respective
        successors, and "Borrowers" means all of the foregoing.

                 "Borrowing" has the meaning set forth in Section
        1.3.

                 "CD Base Rate" has the meaning set forth in Sec-
        tion 2.7(b).

                 "CD Loan" means (i) a Committed Loan which bears
        interest at a CD Rate pursuant to the applicable Notice of
        Committed Borrowing or Notice of Interest Rate Election or
        (ii) an overdue amount which was a CD Loan immediately
        before it became overdue.  

                 "CD Margin" means a rate per annum determined in
        accordance with the Pricing Schedule.  

                 "CD Rate" means a rate of interest determined
        pursuant to Section 2.7(b) on the basis of an Adjusted CD
        Rate.  

                 "CD Reference Banks" means Bank of America Illi-
        nois, Commerzbank AG and Morgan Guaranty Trust Company of
        New York.

                 "Closing Date" means the date on or after the
        Effective Date on which the Agent shall have received the
        documents specified in or pursuant to Section 3.1.  

                 "Commitment" means (i) with respect to each Bank
        listed on the signature pages hereof, the amount set forth
        opposite its name on the signature pages hereof and (ii)
        with respect to each Assignee which becomes a Bank pursuant
        to Section 8.6 or 11.6(c), the amount of the Commitment
        thereby assumed by it, in each case as such amount may be
        reduced from time to time pursuant to Sections 2.9, 2.11 and
        11.6(c) or increased from time to time pursuant to Section
        11.6(c).

                 "Commitment Reduction Date" has the meaning set
        forth in Section 2.11.  

                 "Committed Loan" means a loan made by a Bank
        pursuant to Section 2.1; provided that, if any such loan or
        loans (or portions thereof) are combined or subdivided
        pursuant to a Notice of Interest Rate Election, the term
        "Committed Loan" shall refer to the combined principal
        amount resulting from such combination or to each of the
        separate principal amounts resulting from such subdivision,
        as the case may be.

                 "Company" means Betz Laboratories, Inc., a Penn-
        sylvania corporation, and its successors.  

                 "Company's 1995 Form 10-K" means the Company's
        annual report on Form 10-K for 1995, as filed with the
        Securities and Exchange Commission pursuant to the Securi-
        ties Exchange Act of 1934.  

                 "Consolidated Assets" means at any date the assets
        of the Company and its Consolidated Subsidiaries, determined
        on a consolidated basis as of such date.

                 "Consolidated Debt" means at any date the Debt of
        the Company and its Consolidated Subsidiaries, determined on
        a consolidated basis as of such date.

                 "Consolidated EBIT" means, for any fiscal period,
        Consolidated Net Income for such period, excluding the
        effect of foreign currency translation gains and losses
        arising out of operations in hyperinflationary economies,
        plus, to the extent deducted in determining Consolidated Net
        Income for such period, the aggregate amount of
        (i) Consolidated Interest Expense and (ii) income tax ex-
        pense.

                 "Consolidated EBITDA" means, for any fiscal peri-
        od, Consolidated EBIT for such period plus, to the extent
        deducted in determining Consolidated Net Income for such
        period, the aggregate amount of depreciation and amortiza-
        tion expense.

                 "Consolidated Interest Expense" means, for any
        period, the interest expense of the Company and its Consoli-
        dated Subsidiaries determined on a consolidated basis for
        such period (excluding amortization of deferred financing
        costs).

                 "Consolidated Net Income" means, for any fiscal
        period, the net income of the Company and its Consolidated
        Subsidiaries, determined on a consolidated basis for such
        period, exclusive of the effect of any extraordinary or
        other non-recurring gain or loss (such as non-recurring
        restructuring and/or integration costs arising as a result
        of the acquisition of the Dearborn Business).

                 "Consolidated Net Worth" means at any date the
        consolidated shareholders' equity of the Company and its
        Consolidated Subsidiaries determined as of such date (other
        than any amount attributable to stock which is required to
        be redeemed or is redeemable at the option of the holder, if
        certain events or conditions occur or exist or otherwise),
        excluding the effect thereon of foreign currency translation
        gains and losses arising after June 30, 1996 out of opera-
        tions in hyperinflationary economies.

                 "Consolidated Subsidiary" means at any date any
        Subsidiary or other entity the accounts of which would be
        consolidated with those of the Company in its consolidated
        financial statements if such statements were prepared as of
        such date.

                 "Date of Issuance" has the meaning set forth in
        subsection 2.19(a). 

                 "Dearborn Business" has the meaning set forth in
        the Acquisition Agreement.

                 "Debt" of any Person means at any date, without
        duplication, (i) all obligations of such Person for borrowed
        money, (ii) all obligations of such Person evidenced by
        bonds, debentures, notes or other similar instruments,
        (iii) all obligations of such Person to pay the deferred
        purchase price of property or services, except trade ac-
        counts payable, construction retentions and similar items
        arising in the ordinary course of business, (iv) all obliga-
        tions of such Person as lessee which are capitalized in
        accordance with generally accepted accounting principles,
        (v) all non-contingent obligations (and, for purposes of
        Section 5.9 and the definitions of Material Debt and Materi-
        al Financial Obligations, all contingent obligations) of
        such Person to reimburse any bank or other Person in respect
        of amounts paid under a letter of credit or similar instru-
        ment, (vi) all Debt secured by a Lien on any asset of such
        Person up to the greater of fair market value or book value
        of such asset, whether or not such Debt is otherwise an
        obligation of such Person and (vii) all Debt of others
        Guaranteed by such Person.  

                 "Default" means any condition or event which
        constitutes an Event of Default or which with the giving of
        notice or lapse of time or both would, unless cured or
        waived, become an Event of Default.  

                 "Derivatives Obligations" of any Person means all
        obligations of such Person in respect of any rate swap
        transaction, basis swap, forward rate transaction, commodity
        swap, commodity option, equity or equity index swap, equity
        or equity index option, bond option, interest rate option,
        foreign exchange transaction, cap transaction, floor trans-
        action, collar transaction, currency swap transaction,
        cross-currency rate swap transaction, currency option or any
        other similar transaction (including any option with respect
        to any of the foregoing transactions) or any combination of
        the foregoing transactions.  

                 "Domestic Business Day" means any day except a
        Saturday, Sunday or other day on which commercial banks in
        New York City are authorized by law to close.  

                 "Domestic Lending Office" means, as to each Bank,
        its office located at its address set forth in its Adminis-
        trative Questionnaire (or identified in its Administrative
        Questionnaire as its Domestic Lending Office) or such other
        office as such Bank may hereafter designate as its Domestic
        Lending Office by notice to the Company and the Agent;
        provided that any Bank may so designate separate Domestic
        Lending Offices for its Base Rate Loans, on the one hand,
        and its CD Loans, on the other hand, in which case all
        references herein to the Domestic Lending Office of such
        Bank shall be deemed to refer to either or both of such
        offices, as the context may require.  

                 "Domestic Loans" means CD Loans or Base Rate Loans
        or both.  

                 "Domestic Reserve Percentage" has the meaning set
        forth in Section 2.7(b).  

                 "Effective Date" means the date this Agreement
        becomes effective in accordance with Section 11.9.  

                 "Eighty Percent-Owned Consolidated Subsidiary"
        means any Consolidated Subsidiary of which at least 80% of
        the shares of capital stock or other ownership interests are
        at the time directly or indirectly owned by the Company.

                 "Election to Participate" means an Election to
        Participate substantially in the form of Exhibit H hereto.

                 "Election to Terminate" means an Election to
        Terminate substantially in the form of Exhibit I hereto.

                 "Eligible Subsidiary" means (i) Betz Canada and
        (ii) any Eighty Percent-Owned Consolidated Subsidiary of the
        Company as to which an Election to Participate shall have
        been delivered to the Agent and as to which an Election to
        Terminate shall not have been delivered to the Agent.  Each
        such Election to Participate and Election to Terminate shall
        be duly executed on behalf of such Consolidated Subsidiary
        and the Company in such number of copies as the Agent may
        request.  The delivery of an Election to Terminate shall not
        affect any obligation of an Eligible Subsidiary theretofore
        incurred.  The Agent shall promptly give notice to the Banks
        of the receipt of any Election to Participate or Election to
        Terminate.

                 "Environmental Laws" means any and all federal,
        state, local and foreign statutes, laws, judicial decisions,
        regulations, ordinances, rules, judgments, orders, decrees,
        plans, injunctions, permits, concessions, grants, franchis-
        es, licenses, agreements and other governmental restrictions
        relating to the environment, the effect of the environment
        on human health or to emissions, discharges or releases of
        pollutants, contaminants, Hazardous Substances or wastes
        into the environment including, without limitation, ambient
        air, surface water, ground water, or land, or otherwise
        relating to the manufacture, processing, distribution, use,
        treatment, storage, disposal, transport or handling of
        pollutants, contaminants, Hazardous Substances or wastes or
        the clean-up or other remediation thereof.  

                 "ERISA" means the Employee Retirement Income
        Security Act of 1974, as amended, or any successor statute. 

                 "ERISA Group" means the Company, any Subsidiary
        and all members of a controlled group of corporations and
        all trades or businesses (whether or not incorporated) under
        common control which, together with the Company or any
        Subsidiary, are treated as a single employer under Section
        414 of the Internal Revenue Code.  

                 "Euro-Dollar Business Day" means any Domestic
        Business Day on which commercial banks are open for interna-
        tional business (including dealings in dollar deposits) in
        London.  

                 "Euro-Dollar Lending Office" means, as to each
        Bank, its office, branch or affiliate located at its address
        set forth in its Administrative Questionnaire (or identified
        in its Administrative Questionnaire as its Euro-Dollar
        Lending Office) or such other office, branch or affiliate of
        such Bank as it may hereafter designate as its Euro-Dollar
        Lending Office by notice to the Company and the Agent.  

                 "Euro-Dollar Loan" means (i) a Committed Loan
        which bears interest at a Euro-Dollar Rate pursuant to the
        applicable Notice of Committed Borrowing or Notice of Inter-
        est Rate Election or (ii) an overdue amount which was a
        Euro-Dollar Loan immediately before it became overdue.  

                 "Euro-Dollar Margin" means a rate per annum deter-
        mined in accordance with the Pricing Schedule.  

                 "Euro-Dollar Rate" means a rate of interest deter-
        mined pursuant to Section 2.7(c) on the basis of a London
        Interbank Offered Rate.

                 "Euro-Dollar Reference Banks" means the principal
        London offices of Bank of America NT&SA, Commerzbank AG and
        Morgan Guaranty Trust Company of New York.

                 "Euro-Dollar Reserve Percentage" means for any day
        that percentage (expressed as a decimal) which is in effect
        on such day, as prescribed by the Board of Governors of the
        Federal Reserve System (or any successor) for determining
        the maximum reserve requirement for a member bank of the
        Federal Reserve System in New York City with deposits ex-
        ceeding five billion dollars in respect of "Eurocurrency
        liabilities" (or in respect of any other category of liabil-
        ities which includes deposits by reference to which the
        interest rate on Euro-Dollar Loans is determined or any
        category of extensions of credit or other assets which
        includes loans by a non-United States office of any Bank to
        United States residents).

                 "Events of Default" has the meaning set forth in
        Section 6.1.

                 "Expiration Time" has the meaning set forth in the
        Letter of Credit.

                 "Facility Fee Rate" has the meaning set forth in
        the Pricing Schedule.

                 "Federal Funds Rate" means, for any day, the rate
        per annum (rounded upward, if necessary, to the nearest
        1/100th of 1%) equal to the weighted average of the rates on
        overnight Federal funds transactions with members of the
        Federal Reserve System arranged by Federal funds brokers on
        such day, as published by the Federal Reserve Bank of New
        York on the Domestic Business Day next succeeding such day,
        provided that (i) if such day is not a Domestic Business
        Day, the Federal Funds Rate for such day shall be such rate
        on such transactions on the next preceding Domestic Business
        Day as so published on the next succeeding Domestic Business
        Day, and (ii) if no such rate is so published on such next
        succeeding Domestic Business Day, the Federal Funds Rate for
        such day shall be the average rate quoted to Morgan Guaranty
        Trust Company of New York on such day on such transactions
        as determined by the Agent.  

                 "Fixed Rate Loans" means CD Loans or Euro-Dollar
        Loans or Money Market Loans (excluding Money Market LIBOR
        Loans bearing interest at the Base Rate pursuant to Section
        8.1) or any combination of the foregoing.  

                 "Funded Debt" means Debt having a maturity that is
        more than one year from the date of its original incurrence
        or Debt having a maturity which is extendable at the option
        of the Company or any of its Subsidiaries to a date more
        than one year from the date of its original incurrence.

                 "Group of Loans" means at any time a group of
        Loans consisting of (i) all Committed Loans to a single
        Borrower which are Base Rate Loans at such time, (ii) all
        Euro-Dollar Loans to a single Borrower having the same
        Interest Period at such time or (iii) all CD Loans to a
        single Borrower having the same Interest Period at such
        time, provided that, if a Committed Loan of any particular
        Bank is converted to or made as a Base Rate Loan pursuant to
        Article 8, such Loan shall be included in the same Group or
        Groups of Loans from time to time as it would have been in
        if it had not been so converted or made.  

                 "Guarantee" by any Person means any obligation,
        contingent or otherwise, of such Person directly or indi-
        rectly guaranteeing any Debt of any other Person and, with-
        out limiting the generality of the foregoing, any obliga-
        tion, direct or indirect, contingent or otherwise, of such
        Person (i) to purchase or pay (or advance or supply funds
        for the purchase or payment of) such Debt (whether arising
        by virtue of partnership arrangements, by agreement to
        keep-well, to purchase assets, goods, securities or servic-
        es, to take-or-pay, or to maintain financial statement
        conditions or otherwise) or (ii) entered into for the pur-
        pose of assuring in any other manner the holder of such Debt
        of the payment thereof or to protect such holder against
        loss in respect thereof (in whole or in part), provided that
        the term Guarantee shall not include endorsements for col-
        lection or deposit in the ordinary course of business.  The
        term "Guarantee" used as a verb has a corresponding meaning. 

                 "Hazardous Substances" means any toxic, radioac-
        tive, caustic or otherwise hazardous substance, including
        petroleum, its derivatives, by-products and other hydrocar-
        bons, or any substance having any constituent elements
        displaying any of the foregoing characteristics. 

                 "Indemnitee" has the meaning set forth in Section
        11.3(b).

                 "Information Memorandum" means the confidential
        descriptive memorandum dated April, 1996 furnished to the
        Banks in connection with the transactions contemplated
        hereby.

                 "Initial Funding Date" means the date of the
        earlier of (i) the first Borrowing or (ii) the issuance of
        the Letter of Credit.

                 "Interest Coverage Ratio" means at the end of any
        fiscal quarter of the Company the ratio of (i) Consolidated
        EBIT for the four consecutive fiscal quarters of the Company
        and its Consolidated Subsidiaries ending on such date to
        (ii) Consolidated Interest Expense for such period; provided
        that for the periods ending December 31, 1996 and March 31,
        1997, such ratio shall be calculated from July 1, 1996
        through the fiscal quarter then ended.

                 "Interest Period" means: (1) with respect to each
        Euro-Dollar Loan, the period commencing on the date of such
        borrowing specified in the applicable Notice of Borrowing or
        on the date specified in the applicable Notice of Interest
        Rate Election and ending one, two, three or six months (or,
        with the prior consent of each Bank, nine or twelve months)
        thereafter, as the Borrower may elect in the applicable
        notice; provided that:

                 (a)  any Interest Period which would otherwise end
         on a day which is not a Euro-Dollar Business Day shall,
         subject to clause (c) below, be extended to the next suc-
         ceeding Euro-Dollar Business Day unless such Euro-Dollar
         Business Day falls in another calendar month, in which case
         such Interest Period shall end on the next preceding
         Euro-Dollar Business Day;

                 (b)  any Interest Period which begins on the last
         Euro-Dollar Business Day of a calendar month (or on a day
         for which there is no numerically corresponding day in the
         calendar month at the end of such Interest Period) shall,
         subject to clause (c) below, end on the last Euro-Dollar
         Business Day of a calendar month; and

                 (c)  if any Interest Period includes a date on
         which a scheduled payment of principal of the Loans is
         required to be made under Section 2.11 but does not end on
         such date, then (i) the principal amount (if any) of each
         Euro-Dollar Loan required to be repaid on such date shall
         have an Interest Period ending on such date and (ii) the
         remainder (if any) of each such Euro-Dollar Loan shall have
         an Interest Period determined as set forth above.  

                 (2)  with respect to each CD Loan, the period
        commencing on the date of such borrowing specified in the
        applicable Notice of Borrowing or on the date specified in
        the applicable Notice of Interest Rate Election and ending
        30, 60, 90 or 180 days (or, with the prior consent of each
        Bank, 270 or 360 days) thereafter, as the Borrower may elect
        in the applicable notice; provided that:

                 (a)  any Interest Period (other than an Interest
         Period determined pursuant to clause (b) below) which would
         otherwise end on a day which is not a Euro-Dollar Business
         Day shall be extended to the next succeeding Euro-Dollar
         Business Day; and

                 (b)  if any Interest Period includes a date on
         which a scheduled payment of principal of the Loans is
         required to be made under Section 2.11 but does not end on
         such date, then (i) the principal amount (if any) of each
         CD Loan required to be repaid on such date shall have an
         Interest Period ending on such date and (ii) the remainder
         (if any) of each such CD Loan shall have an Interest Period
         determined as set forth above.  

                 (3)  with respect to each Money Market LIBOR Loan,
        the period commencing on the date of borrowing specified in
        the applicable Notice of Borrowing and ending such whole
        number of months thereafter as the Borrower may elect in
        accordance with Section 2.3; provided that:

                 (a)  any Interest Period which would otherwise end
         on a day which is not a Euro-Dollar Business Day shall,
         subject to clause (c) below, be extended to the next suc-
         ceeding Euro-Dollar Business Day unless such Euro-Dollar
         Business Day falls in another calendar month, in which case
         such Interest Period shall end on the next preceding
         Euro-Dollar Business Day;

                 (b)  any Interest Period which begins on the last
         Euro-Dollar Business Day of a calendar month (or on a day
         for which there is no numerically corresponding day in the
         calendar month at the end of such Interest Period) shall,
         subject to clause (c) below, end on the last Euro-Dollar
         Business Day of a calendar month; and

                 (c) if any Interest Period includes a date on
         which a scheduled payment of principal of the Loans is
         required to be made under Section 2.11 but does not end on
         such date, then (i) the principal amount (if any) of each
         Money Market LIBOR Loan required to be repaid on such date
         shall have an Interest Period ending on such date and (ii)
         the remainder (if any) of each such Money Market LIBOR Loan
         shall have an Interest Period determined as set forth
         above.

                 (4)  with respect to each Money Market Absolute
        Rate Loan, the period commencing on the date of borrowing
        specified in the applicable Notice of Borrowing and ending
        such number of days thereafter (but not less than 7 days) as
        the Borrower may elect in accordance with Section 2.3;
        provided that:

                 (a)  any Interest Period which would otherwise end
         on a day which is not a Euro-Dollar Business Day shall,
         subject to clause (b) below, be extended to the next suc-
         ceeding Euro-Dollar Business Day; and

                 (b)  if any Interest Period includes a date on
         which a scheduled payment of principal of the Loans is
         required to be made under Section 2.11 but does not end on
         such date, then (i) the principal amount (if any) of each
         Money Market Absolute Rate Loan required to be repaid on
         such date shall have an Interest Period ending on such date
         and (ii) the remainder (if any) of each such Money Market
         Absolute Rate Loan shall have an Interest Period determined
         as set forth above.  

                 "Internal Revenue Code" means the Internal Revenue
        Code of 1986, as amended, or any successor statute.

                 "Letter of Credit" means the letter of credit to
        be issued hereunder by the Banks severally and not jointly,
        which shall be in the form of Exhibit A and dated the Date
        of Issuance.

                 "Letter of Credit Liabilities" means, for any Bank
        and at any time, the sum of (x) the amounts then owing to
        such Bank by the Company to reimburse it in respect of
        amounts drawn under the Letter of Credit and (y) such Bank's
        ratable share of the aggregate amount then available for
        drawing under the Letter of Credit.  

                 "LIBOR Auction" means a solicitation of Money
        Market Quotes setting forth Money Market Margins based on
        the London Interbank Offered Rate pursuant to Section 2.3.  

                 "Lien" means, with respect to any asset, any
        mortgage, lien, pledge, charge or security interest, or any
        other type of preferential arrangement that has the practi-
        cal effect of creating a security interest, in respect of
        such asset.  For the purposes of this Agreement, the Company
        or any Subsidiary shall be deemed to own subject to a Lien
        any asset which it has acquired or holds subject to the
        interest of a vendor or lessor under any conditional sale
        agreement, capital lease or other title retention agreement
        relating to such asset.  

                 "Loan" means a Domestic Loan, a Euro-Dollar Loan
        or a Money Market Loan and "Loans" means Domestic Loans,
        Euro-Dollar Loans or Money Market Loans or any combination
        of the foregoing.  

                 "London Interbank Offered Rate" has the meaning
        set forth in Section 2.7(c).  

                 "Material Debt" means Debt (other than (i) the
        Notes, (ii) Debt of a Subsidiary to the Company or (iii)
        Debt of the Company or a Subsidiary to a Subsidiary) of the
        Company and/or one or more of its Subsidiaries, arising in
        one or more related or unrelated transactions, in an aggre-
        gate principal or face amount exceeding $25,000,000. 

                 "Material Financial Obligations" means a principal
        or face amount of Debt and/or payment or collateralization
        obligations in respect of Derivatives Obligations of the
        Company and/or one or more of its Subsidiaries, arising in
        one or more related or unrelated transactions, exceeding in
        the aggregate $25,000,000.

                 "Material Plan" means at any time a Plan or Plans
        having aggregate Unfunded Liabilities in excess of
        $25,000,000.

                 "Material Subsidiary" means (i) any Subsidiary
        which is a "significant subsidiary" within the meaning of
        Regulation S-X of the Securities and Exchange Commission as
        in effect on the date hereof and (ii) any Eligible Subsid-
        iary.

                 "Money Market Absolute Rate" has the meaning set
        forth in Section 2.3(d).

                 "Money Market Absolute Rate Loan" means a loan to
        be made by a Bank pursuant to an Absolute Rate Auction.  

                 "Money Market Lending Office" means, as to each
        Bank, its Domestic Lending Office or such other office,
        branch or affiliate of such Bank as it may hereafter desig-
        nate as its Money Market Lending Office by notice to the
        Company and the Agent; provided that any Bank may from time
        to time by notice to the Company and the Agent designate
        separate Money Market Lending Offices for its Money Market
        LIBOR Loans, on the one hand, and its Money Market Absolute
        Rate Loans, on the other hand, in which case all references
        herein to the Money Market Lending Office of such Bank shall
        be deemed to refer to either or both of such offices, as the
        context may require.  

                 "Money Market LIBOR Loan" means a loan to be made
        by a Bank pursuant to a LIBOR Auction (including such a loan
        bearing interest at the Base Rate pursuant to Section 8.1). 

                 "Money Market Loan" means a Money Market LIBOR
        Loan or a Money Market Absolute Rate Loan.  

                 "Money Market Margin" has the meaning set forth in
        Section 2.3(d)(ii)(C).  

                 "Money Market Quote" means an offer by a Bank to
        make a Money Market Loan in accordance with Section 2.3.  

                 "Moody's" means Moody's Investors Service, Inc.  

                 "Multiemployer Plan" means at any time an employee
        pension benefit plan within the meaning of Section
        4001(a)(3) of ERISA to which any member of the ERISA Group
        is then making or accruing an obligation to make contribu-
        tions or has within the preceding five plan years made
        contributions, including for these purposes any Person which
        ceased to be a member of the ERISA Group during such five-
        year period.

                 "Net Cash Proceeds" means, with respect to any
        Reduction Event, an amount equal to the cash proceeds re-
        ceived by the Company or any of its Subsidiaries from or in
        respect of such Reduction Event (not exceeding the aggregate
        principal or invested amount in the case of a Permitted
        Securitization Transaction) less any expenses reasonably
        incurred by such Person in respect of such Reduction Event
        and net of any proceeds which are intended to be used, and
        which are in fact used, to refinance or refund Debt other
        than the Loans.

                 "Note Payoff Borrowing" means any Borrowing if and
        to the extent the proceeds thereof are applied immediately
        and directly to payment of the "Note" referred to in the
        Letter of Credit.

                 "Notes" means promissory notes of a Borrower,
        substantially in the form of Exhibit B hereto, evidencing
        the obligation of such Borrower to repay the Loans made to
        it, and "Note" means any one of such promissory notes issued
        hereunder.  

                 "Notice of Borrowing" means a Notice of Committed
        Borrowing (as defined in Section 2.2) or a Notice of Money
        Market Borrowing (as defined in Section 2.3(f)).

                 "Notice of Interest Rate Election" has the meaning
        set forth in Section 2.10.  

                 "Parent" means, with respect to any Bank, any
        Person controlling such Bank.  

                 "Participant" has the meaning set forth in Section
        11.6(b).  

                 "PBGC" means the Pension Benefit Guaranty Corpora-
        tion or any entity succeeding to any or all of its functions
        under ERISA.  

                 "Permitted Receivables Disposition" means any
        transfer (by way of sale, pledge or otherwise) by the Compa-
        ny or any Subsidiary to any other Person (including a Bank-
        ruptcy Remote Subsidiary) of accounts receivable and other
        rights to payment (whether constituting accounts, chattel
        paper, instruments, general intangibles or otherwise and
        including the right to payment of interest or finance charg-
        es) and related contract and other rights and property
        (including all general intangibles, collections and other
        proceeds relating thereto, all security therefor (and the
        property subject thereto), all guarantees and other agree-
        ments or arrangements of whatsoever character from time to
        time supporting such right to payment, and all other right,
        title and interest in goods relating to a sale which gave
        rise to such right of payment) in connection with a Permit-
        ted Securitization Transaction.

                 "Permitted Securitization Transaction" means any
        receivables purchase or financing transaction pursuant to
        which the Company or a Subsidiary (including a Bankruptcy
        Remote Subsidiary) sells or grants a security interest in
        accounts receivable of the Company or its Subsidiaries (and
        related rights and property as described in the definition
        of Permitted Receivables Disposition) or an undivided inter-
        est therein, provided that (i) the aggregate principal or
        invested amount outstanding at any one time under all such
        facilities shall not exceed $100,000,000 and (ii) the re-
        course of the purchaser or lender with respect to such
        transaction for losses resulting from an obligor's failure
        to pay a receivable due to credit problems is limited to
        such accounts receivable or an interest therein, and the
        collections thereof.

                 "Person" means an individual, a corporation, a
        limited liability company, a partnership, an association, a
        trust or any other entity or organization, including a
        government or political subdivision or an agency or instru-
        mentality thereof.  

                 "Plan" means at any time an employee pension
        benefit plan (other than a Multiemployer Plan) which is
        covered by Title IV of ERISA or subject to the minimum
        funding standards under Section 412 of the Internal Revenue
        Code and either (i) is maintained, or contributed to, by any
        member of the ERISA Group for employees of any member of the
        ERISA Group or (ii) has at any time within the preceding
        five years been maintained, or contributed to, by any Person
        which was at such time a member of the ERISA Group for
        employees of any Person which was at such time a member of
        the ERISA Group.  

                 "Pricing Schedule" means the Schedule attached
        hereto identified as such.  

                 "Prime Rate" means the rate of interest publicly
        announced by Morgan Guaranty Trust Company of New York in
        New York City from time to time as its Prime Rate.

                 "Quarterly Dates" means each March 31, June 30,
        September 30 and December 31.  

                 "Reduction Event" means (1) the incurrence by the
        Company or any Subsidiary of any Funded Debt, other than
        (i) the Loans, (ii) Funded Debt in an amount not exceeding
        $5,000,000 the proceeds of which are used to finance the
        acquisition of the Dearborn Business, (iii) Funded Debt
        secured by a Lien permitted by clause (c) of Section 5.9,
        (iv) Funded Debt owing to the Company or a Subsidiary and
        (v) other Funded Debt in an aggregate principal amount at
        any time outstanding not exceeding $10,000,000, (2) the
        issuance of any equity securities by the Company or any of
        its Subsidiaries (other than equity securities issued to the
        Company or any of its Subsidiaries or to any employees of
        the Company or any of its Subsidiaries) or (3) the occur-
        rence of a Permitted Securitization Transaction.  The de-
        scription of any transaction as falling within the above
        definition does not affect any limitation on such transac-
        tion imposed by Article 5 of this Agreement.

                 "Reference Banks" means the CD Reference Banks or
        the Euro-Dollar Reference Banks, as the context may require,
        and "Reference Bank" means any one of such Reference Banks.

                 "Regulation U" means Regulation U of the Board of
        Governors of the Federal Reserve System, as in effect from
        time to time.  

                 "Reimbursable Amount" has the meaning set forth in
        subsection 2.19(c).

                 "Reimbursement Due Date" has the meaning set forth
        in subsection 2.19(c).

                 "Related Documents" means the Letter of Credit and
        the Acquisition Agreement.

                 "Required Banks" means at any time Banks having at
        least 51% of the aggregate amount of the Commitments or, if
        the Commitments shall have been terminated, holding at least
        51% of the sum of the aggregate unpaid principal amount of
        the Loans and Letter of Credit Liabilities.  

                 "Revolving Credit Period" means the period from
        and including the Effective Date to but not including the
        Termination Date.

                 "S&P" means Standard & Poor's Ratings Services.

                 "Sale-Leaseback Transaction" means any arrangement
        with any Person providing for the leasing by the Company or
        any Subsidiary of any property that, or of any property
        similar to and used for substantially the same purposes as
        any other property that, has been or is to be sold, as-
        signed, transferred or otherwise disposed of by the Company
        or any of its Subsidiaries to such Person with the intention
        of entering into such a lease.  

                 "Subsidiary" means, as to any Person, any corpora-
        tion or other entity of which securities or other ownership
        interests having ordinary voting power to elect a majority
        of the board of directors or other persons performing simi-
        lar functions are at the time directly or indirectly owned
        by such Person; unless otherwise specified, "Subsidiary"
        means a Subsidiary of the Company.

                 "Surrender Date" has the meaning set forth in
        Section 3.2(e).

                 "Termination Date" means the earlier of (i) the
        date that is 10 days after the fifth anniversary of the
        first Borrowing hereunder or (ii) October 1, 2001, or, if
        such day is not a Euro-Dollar Business Day, the next suc-
        ceeding Euro-Dollar Business Day unless such Euro-Dollar
        Business Day falls in another calendar month, in which case
        the Termination Date shall be the next preceding Euro-Dollar
        Business Day.

                 "Total Capital" means, at any date, the sum of (x)
        Consolidated Debt plus (y) consolidated shareholders' equity
        of the Company and its Consolidated Subsidiaries (including
        for this purpose any amount attributable to stock which is
        required to be redeemed or is redeemable at the option of
        the holder, if certain events or conditions occur or exist
        or otherwise), excluding the effect thereon of foreign
        currency translation gains and losses arising after June 30,
        1996 out of operations in hyperinflationary economies, in
        each case determined at such date.  

                 "Unfunded Liabilities" means, with respect to any
        Plan at any time, the amount (if any) by which (i) the value
        of all benefit liabilities under such Plan, determined on a
        plan termination basis using the assumptions prescribed by
        the PBGC for purposes of Section 4044 of ERISA (or other
        applicable standard), exceeds (ii) the fair market value of
        all Plan assets allocable to such liabilities under Title IV
        of ERISA (excluding any accrued but unpaid contributions),
        all determined as of the then most recent valuation date for
        such Plan, but only to the extent that such excess repre-
        sents a potential liability of a member of the ERISA Group
        to the PBGC or any other Person under Title IV of ERISA.  

                 "United States" means the United States of Ameri-
        ca, including the States and the District of Columbia, but
        excluding its territories and possessions.  

                 "Wholly-Owned Consolidated Subsidiary" means any
        Consolidated Subsidiary all of the shares of capital stock
        or other ownership interests of which (except directors'
        qualifying shares) are at the time directly or indirectly
        owned by the Company.

                 SECTION 1.2.  Accounting Terms and Determinations. 
        Unless otherwise specified herein, all accounting terms used
        herein shall be interpreted, all accounting determinations
        hereunder shall be made, and all financial statements re-
        quired to be delivered hereunder shall be prepared in accor-
        dance with generally accepted accounting principles as in
        effect from time to time, applied on a basis consistent in
        all material respects (except for changes to which the
        Company's independent public accountants do not take excep-
        tion) with the most recent audited consolidated financial
        statements of the Company and its Consolidated Subsidiaries
        delivered to the Banks; provided that, if the Company noti-
        fies the Agent that the Company wishes to amend any covenant
        in Article 5 to eliminate the effect of any change in gener-
        ally accepted accounting principles on the operation of such
        covenant (or if the Agent notifies the Company that the
        Required Banks wish to amend Article 5 for such purpose),
        then the Company's compliance with such covenant shall be
        determined on the basis of generally accepted accounting
        principles in effect immediately before the relevant change
        in generally accepted accounting principles became effec-
        tive, until either such notice is withdrawn or such covenant
        is amended in a manner satisfactory to the Company and the
        Required Banks.  The parties understand that certain incon-
        sistencies between the accounting practices utilized by the
        Dearborn Business and those reflected in the Company's most
        recent audited consolidated financial statements exist and
        will continue until such time as the accounting practices
        utilized by the Dearborn Business have been fully integrated
        with the Company's accounting practices and systems.

                 SECTION 1.3.  Types of Borrowings.  The term
        "Borrowing" denotes the aggregation of Loans of one or more
        Banks to be made to a single Borrower pursuant to Article 2
        on the same date, all of which Loans are of the same type
        (subject to Article 8) and, except in the case of Base Rate
        Loans, have the same initial Interest Period.  Borrowings
        are classified for purposes of this Agreement either by
        reference to the pricing of Loans comprising such Borrowing
        (e.g., a "Fixed Rate Borrowing" is a Euro-Dollar Borrowing,
        a CD Borrowing or a Money Market Borrowing (excluding any
        such Borrowing consisting of Money Market LIBOR Loans bear-
        ing interest at the Base Rate pursuant to Section 8.1), and
        a "Euro-Dollar Borrowing" is a Borrowing comprised of
        Euro-Dollar Loans) or by reference to the provisions of
        Article 2 under which participation therein is determined
        (i.e., a "Committed Borrowing" is a Borrowing under Section
        2.1 in which all Banks participate in proportion to their
        Commitments, while a "Money Market Borrowing" is a Borrowing
        under Section 2.3 in which the Bank participants are deter-
        mined on the basis of their bids in accordance therewith).  

                                 ARTICLE 2

                                THE CREDITS

                 SECTION 2.1.  Commitments to Lend.  (a)  During
        the Revolving Credit Period, each Bank severally agrees, on
        the terms and conditions set forth in this Agreement, to
        make loans to any Borrower pursuant to this Section from
        time to time in amounts such that the aggregate principal
        amount of Committed Loans by such Bank to all Borrowers at
        any one time outstanding plus its Letter of Credit Liabili-
        ties shall not exceed the amount of its Commitment.  Each
        Borrowing under this Section shall be in an aggregate prin-
        cipal amount of $10,000,000 or any larger multiple of
        $1,000,000 (except that any such Borrowing may be in the
        aggregate amount available in accordance with Section 3.2)
        and shall be made from the several Banks ratably in propor-
        tion to their respective Commitments.  Within the foregoing
        limits, a Borrower may borrow under this Section, repay, or
        to the extent permitted by Section 2.12, prepay Loans and
        reborrow at any time during the Revolving Credit Period
        under this Section.  

                 SECTION 2.2.  Notice of Committed Borrowing.  (a)
        The Borrower shall give the Agent notice (a "Notice of
        Committed Borrowing") not later than 10:30 A.M. (New York
        City time) on (x) the date of each Base Rate Borrowing, (y)
        the second Domestic Business Day (or, if the desired Inter-
        est Period is 270 or 360 days, the fourth Domestic Business
        Day) before each CD Borrowing and (z) the third Euro-Dollar
        Business Day (or, if the desired Interest Period is 9 or 12
        months, the fifth Euro-Dollar Business Day) before each
        Euro-Dollar Borrowing, specifying:

                 (i)  the date of such Borrowing, which shall be a
         Domestic Business Day in the case of a Domestic Borrowing
         or a Euro-Dollar Business Day in the case of a Euro-Dollar
         Borrowing;

                 (ii)  the aggregate amount of such Borrowing;

                 (iii)  whether the Loans comprising such Borrowing
         are to bear interest initially at the Base Rate, a CD Rate
         or a Euro-Dollar Rate; and

                 (iv)  in the case of a Fixed Rate Borrowing, the
         duration of the initial Interest Period applicable thereto,
         subject to the provisions of the definition of Interest
         Period.  

                 (b) If the Borrower specifies a nine or twelve-
        month Interest Period with respect to any Euro-Dollar Bor-
        rowing or a 270- or 360-day Interest Period with respect to
        any CD Borrowing (in each case, an "Extended Interest Peri-
        od") in any Notice of Borrowing or Notice of Interest Rate
        Election and the Agent shall not have received from any Bank
        written objection to such Extended Interest Period by 9:30
        A.M. (New York City time) on the second Euro-Dollar Business
        Day or the second Domestic Business Day, as the case may be,
        after receipt by the Agent of such Notice, then each Bank
        shall be deemed to have consented to such Extended Interest
        Period.  If any Bank timely objects as set forth above to
        any request for an Extended Interest Period, then the Agent
        shall promptly notify the Borrower and the Borrower shall
        deliver a new Notice of Borrowing or Notice of Interest Rate
        Election (which may be included as an alternative election
        in the original notice) specifying a different election
        within the applicable time periods specified in the defini-
        tion of Interest Period.  If the Borrower fails to so timely
        deliver such a new notice, then the related Loans shall be
        made as (or continued as or converted into) Base Rate Loans.

                 SECTION 2.3.  Money Market Borrowings.  (a)  The
        Money Market Option.  In addition to Committed Borrowings
        pursuant to Section 2.1, any Borrower may, as set forth in
        this Section, request the Banks during the Revolving Credit
        Period to make offers to make Money Market Loans to such
        Borrower.  The Banks may, but shall have no obligation to,
        make such offers and such Borrower may, but shall have no
        obligation to, accept any such offers in the manner set
        forth in this Section.

                 (b)  Money Market Quote Request.  When a Borrower
        wishes to request offers to make Money Market Loans under
        this Section, it shall transmit to the Agent by telex or
        facsimile transmission a Money Market Quote Request substan-
        tially in the form of Exhibit C hereto so as to be received
        not later than 10:30 A.M. (New York City time) on (x) the
        fifth Euro-Dollar Business Day prior to the date of Borrow-
        ing proposed therein, in the case of a LIBOR Auction or (y)
        the Domestic Business Day next preceding the date of Borrow-
        ing proposed therein, in the case of an Absolute Rate Auc-
        tion (or, in either case, such other time or date as the
        Company and the Agent shall have mutually agreed and shall
        have notified to the Banks not later than the date of the
        Money Market Quote Request for the first LIBOR Auction or
        Absolute Rate Auction for which such change is to be effec-
        tive) specifying:

                 (i)  the proposed date of Borrowing, which shall
         be a Euro-Dollar Business Day in the case of a LIBOR Auc-
         tion or a Domestic Business Day in the case of an Absolute
         Rate Auction,

             (ii)  the aggregate amount of such Borrowing, which
         shall be $10,000,000 or a larger multiple of $1,000,000,

            (iii)  the duration of the Interest Period applicable
         thereto, subject to the provisions of the definition of
         Interest Period, and

             (iv)  whether the Money Market Quotes requested are to
         set forth a Money Market Margin or a Money Market Absolute
         Rate.

        The Borrower may request offers to make Money Market Loans
        for more than one Interest Period in a single Money Market
        Quote Request.  No Money Market Quote Request shall be given
        within five Euro-Dollar Business Days (or such other number
        of days as the Company and the Agent may agree) of any other
        Money Market Quote Request.

                 (c)  Invitation for Money Market Quotes.  Promptly
        upon receipt of a Money Market Quote Request, the Agent
        shall send to the Banks by telex or facsimile transmission
        an Invitation for Money Market Quotes substantially in the
        form of Exhibit D hereto, which shall constitute an invita-
        tion by the Borrower to each Bank to submit Money Market
        Quotes offering to make the Money Market Loans to which such
        Money Market Quote Request relates in accordance with this
        Section.

                 (d)  Submission and Contents of Money Market
        Quotes.  (i)  Each Bank may submit a Money Market Quote
        containing an offer or offers to make Money Market Loans in
        response to any Invitation for Money Market Quotes.  Each
        Money Market Quote must comply with the requirements of this
        subsection (d) and must be submitted to the Agent by telex
        or facsimile transmission at its offices specified in or
        pursuant to Section 11.1 not later than (x) 2:00 P.M. (New
        York City time) on the fourth Euro-Dollar Business Day prior
        to the proposed date of Borrowing, in the case of a LIBOR
        Auction or (y) 9:30 A.M. (New York City time) on the pro-
        posed date of Borrowing, in the case of an Absolute Rate
        Auction (or, in either case, such other time or date as the
        Company and the Agent shall have mutually agreed and shall
        have notified to the Banks not later than the date of the
        Money Market Quote Request for the first LIBOR Auction or
        Absolute Rate Auction for which such change is to be effec-
        tive); provided that Money Market Quotes submitted by the
        Agent (or any affiliate of the Agent) in the capacity of a
        Bank may be submitted, and may only be submitted, if the
        Agent or such affiliate notifies the Borrower of the terms
        of the offer or offers contained therein not later than (x)
        one hour prior to the deadline for the other Banks, in the
        case of a LIBOR Auction or (y) 15 minutes prior to the
        deadline for the other Banks, in the case of an Absolute
        Rate Auction.  Subject to Articles 3 and 6, any Money Market
        Quote so made shall be irrevocable except with the written
        consent of the Agent given on the instructions of the Bor-
        rower.

                 (ii)  Each Money Market Quote shall be in substan-
        tially the form of Exhibit E hereto and shall in any case
        specify:

                 (A)  the proposed date of Borrowing,

                 (B)  the principal amount of the Money Market Loan
         for which each such offer is being made, which principal
         amount (w) may be greater than or less than the Commitment
         of the quoting Bank, (x) must be $5,000,000 or a larger
         multiple of $1,000,000, (y) may not exceed the principal
         amount of Money Market Loans for which offers were request-
         ed and (z) may be subject to an aggregate limitation as to
         the principal amount of Money Market Loans for which offers
         being made by such quoting Bank may be accepted,

                 (C)  in the case of a LIBOR Auction, the margin
         above or below the applicable London Interbank Offered Rate
         (the "Money Market Margin") offered for each such Money
         Market Loan, expressed as a percentage (specified to the
         nearest 1/10,000th of 1%) to be added to or subtracted from
         such base rate,

                 (D)  in the case of an Absolute Rate Auction, the
         rate of interest per annum (specified to the nearest
         1/10,000th of 1%) (the "Money Market Absolute Rate") of-
         fered for each such Money Market Loan, and

                 (E)  the identity of the quoting Bank.

        A Money Market Quote may set forth up to five separate
        offers by the quoting Bank with respect to each Interest
        Period specified in the related Invitation for Money Market
        Quotes.

                 (iii)  Any Money Market Quote shall be disregarded
        if it:

                 (A)  is not substantially in conformity with
         Exhibit E hereto or does not specify all of the information
         required by subsection (d)(ii) above;

                 (B)  contains qualifying, conditional or similar
         language;

                 (C)  proposes terms other than or in addition to
         those set forth in the applicable Invitation for Money
         Market Quotes; or

                 (D)  arrives after the time set forth in subsec-
         tion (d)(i) above.

                 (e)  Notice to Borrower.  The Agent shall promptly
        notify the Borrower of the terms (x) of any Money Market
        Quote submitted by a Bank that is in accordance with subsec-
        tion (d) and (y) of any Money Market Quote that amends,
        modifies or is otherwise inconsistent with a previous Money
        Market Quote submitted by such Bank with respect to the same
        Money Market Quote Request.  Any such subsequent Money
        Market Quote shall be disregarded by the Agent unless such
        subsequent Money Market Quote is submitted solely to correct
        a manifest error in such former Money Market Quote.  The
        Agent's notice to the Borrower shall specify (A) the aggre-
        gate principal amount of Money Market Loans for which offers
        have been received for each Interest Period specified in the
        related Money Market Quote Request, (B) the respective
        principal amounts and Money Market Margins or Money Market
        Absolute Rates, as the case may be, so offered and (C) if
        applicable, limitations on the aggregate principal amount of
        Money Market Loans for which offers in any single Money
        Market Quote may be accepted.

                 (f)  Acceptance and Notice by Borrower.  Not later
        than 10:30 A.M. (New York City time) on (x) the third
        Euro-Dollar Business Day prior to the proposed date of
        Borrowing, in the case of a LIBOR Auction or (y) the pro-
        posed date of Borrowing, in the case of an Absolute Rate
        Auction (or, in either case, such other time or date as the
        Company and the Agent shall have mutually agreed and shall
        have notified to the Banks not later than the date of the
        Money Market Quote Request for the first LIBOR Auction or
        Absolute Rate Auction for which such change is to be effec-
        tive), the Borrower shall notify the Agent of its acceptance
        or non-acceptance of the offers so notified to it pursuant
        to subsection (e).  In the case of acceptance, such notice
        (a "Notice of Money Market Borrowing") shall specify the
        aggregate principal amount of offers for each Interest
        Period that are accepted.  The Borrower may accept any Money
        Market Quote in whole or in part; provided that:

                 (i)  the aggregate principal amount of each Money
         Market Borrowing may not exceed the applicable amount set
         forth in the related Money Market Quote Request;

             (ii)  the principal amount of each Money Market Borrow-
         ing must be $10,000,000 or a larger multiple of $1,000,000;

            (iii)  acceptance of offers may only be made on the
         basis of ascending Money Market Margins or Money Market
         Absolute Rates, as the case may be; and

             (iv)  the Borrower may not accept any offer that is
         described in subsection (d)(iii) or that otherwise fails to
         comply with the requirements of this Agreement.

                 (g)  Allocation by Agent.  If offers are made by
        two or more Banks with the same Money Market Margins or
        Money Market Absolute Rates, as the case may be, for a
        greater aggregate principal amount than the amount in re-
        spect of which such offers are accepted for the related
        Interest Period, the principal amount of Money Market Loans
        in respect of which such offers are accepted shall be allo-
        cated by the Agent among such Banks as nearly as possible
        (in multiples of $1,000,000, as the Agent may deem appropri-
        ate) in proportion to the aggregate principal amounts of
        such offers.  Determinations by the Agent of the amounts of
        Money Market Loans shall be conclusive in the absence of
        manifest error.  

                 SECTION 2.4.  Notice to Banks; Funding of Loans. 
        (a)  Upon receipt of a Notice of Borrowing, the Agent shall
        promptly notify each Bank of the contents thereof and of
        such Bank's share (if any) of such Borrowing and such Notice
        of Borrowing shall not thereafter be revocable by the Bor-
        rower.

                 (b)  Not later than 2:00 P.M. (New York City time)
        on the date of each Borrowing, each Bank participating
        therein shall make available its share of such Borrowing, in
        Federal or other funds immediately available in New York
        City, to the Agent at its address referred to in Section
        11.1.  Unless the Agent determines that any applicable
        condition specified in Article 3 has not been satisfied, the
        Agent will make the funds so received from the Banks avail-
        able to the Borrower at the Agent's aforesaid address.

                 (c)  Unless the Agent shall have received notice
        from a Bank prior to the date of any Borrowing that such
        Bank will not make available to the Agent such Bank's share
        of such Borrowing, the Agent may assume that such Bank has
        made such share available to the Agent on the date of such
        Borrowing in accordance with subsection (b) of this Section
        and the Agent may, in reliance upon such assumption, make
        available to the Borrower on such date a corresponding
        amount.  If and to the extent that such Bank shall not have
        so made such share available to the Agent, such Bank and the
        Borrower severally agree to repay to the Agent forthwith on
        demand such corresponding amount together with interest
        thereon, for each day from the date such amount is made
        available to the Borrower until the date such amount is
        repaid to the Agent, at (i) in the case of the Borrower, a
        rate per annum equal to the higher of the Federal Funds Rate
        and the interest rate applicable thereto pursuant to Section
        2.7 and (ii) in the case of such Bank, the Federal Funds
        Rate.  If such Bank shall repay to the Agent such corre-
        sponding amount, such amount so repaid shall constitute such
        Bank's Loan included in such Borrowing for purposes of this
        Agreement.  

                 SECTION 2.5.  Notes.  (a)  The Loans of each Bank
        to each Borrower  shall be evidenced by a single Note of
        such Borrower payable to the order of such Bank for the
        account of its Applicable Lending Office in an amount equal
        to the aggregate unpaid principal amount of such Bank's
        Loans to such Borrower.

                 (b)  Each Bank may, by notice to a Borrower and
        the Agent, request that its Loans of a particular type to
        such Borrower be evidenced by a separate Note of such Bor-
        rower in an amount equal to the aggregate unpaid principal
        amount of such Loans.  Each such Note shall be in substan-
        tially the form of Exhibit B hereto with appropriate modifi-
        cations to reflect the fact that it evidences solely Loans
        of the relevant type.  Each reference in this Agreement to a
        "Note" or the "Notes" of such Bank shall be deemed to refer
        to and include any or all of such Notes, as the context may
        require.

                 (c)  Upon receipt of each Bank's Note pursuant to
        Section 3.1(a) or Section 3.3(a), the Agent shall forward
        such Note to such Bank.  Each Bank shall record the date,
        amount, type and maturity of each Loan made by it and the
        date and amount of each payment of principal made with
        respect thereto and may, if such Bank so elects in connec-
        tion with any transfer or enforcement of its Note of any
        Borrower, endorse on the schedule forming a part thereof
        appropriate notations to evidence the foregoing information
        with respect to each such Loan to such Borrower then out-
        standing; provided that the failure of any Bank to make any
        such recordation or endorsement shall not affect the obliga-
        tions of any Borrower hereunder or under the Notes.  Each
        Bank is hereby irrevocably authorized by each Borrower so to
        endorse its Notes and to attach to and make a part of any
        Note a continuation of any such schedule as and when re-
        quired.  

                 SECTION 2.6.  Maturity of Loans.   (a) Each Com-
        mitted Loan shall mature, and the principal amount thereof
        shall be due and payable, together with accrued interest
        thereon, on the Termination Date.

                 (b) Each Money Market Loan included in any Money
        Market Borrowing shall mature, and the principal amount
        thereof shall be due and payable, together with accrued
        interest thereon, on the last day of the Interest Period
        applicable to such Borrowing.  

                 SECTION 2.7.  Interest Rates.  (a)  Each Base Rate
        Loan shall bear interest on the outstanding principal amount
        thereof, for each day from the date such Loan is made until
        it becomes due, at a rate per annum equal to the Base Rate
        for such day.  Such interest shall be payable quarterly in
        arrears on each Quarterly Date and, with respect to the
        principal amount of any Base Rate Loan converted to a CD
        Loan or a Euro-Dollar Loan, on the date such Base Rate Loan
        is so converted.  Any overdue principal of or interest on
        any Base Rate Loan shall bear interest, payable on demand,
        for each day until paid at a rate per annum equal to the sum
        of 2% plus the rate otherwise applicable to Base Rate Loans
        for such day.

                 (b)  Each CD Loan shall bear interest on the
        outstanding principal amount thereof, for each day during
        each Interest Period applicable thereto, at a rate per annum
        equal to the sum of the CD Margin for such day plus the
        Adjusted CD Rate applicable to such Interest Period; provid-
        ed that if any CD Loan shall, as a result of clause (2)(b)
        of the definition of Interest Period, have an Interest
        Period of less than 30 days, such CD Loan shall bear inter-
        est during such Interest Period at the rate applicable to
        Base Rate Loans during such period.  Such interest shall be
        payable for each Interest Period on the last day thereof
        and, if such Interest Period is longer than 90 days, at
        intervals of 90 days after the first day thereof.  Any
        overdue principal of or interest on any CD Loan shall bear
        interest, payable on demand, for each day until paid at a
        rate per annum equal to the sum of 2% plus the higher of (i)
        the sum of the CD Margin plus the Adjusted CD Rate applica-
        ble to such Loan at the date such payment was due and (ii)
        the rate applicable to Base Rate Loans for such day.

                 The "Adjusted CD Rate" applicable to any Interest
        Period means a rate per annum determined pursuant to the
        following formula:

                          [    CDBR    ]*
                 ACDR  =  [ ---------- ]  + AR
                          [ 1.00 - DRP ]

                 ACDR  =  Adjusted CD Rate
                 CDBR  =  CD Base Rate
                  DRP  =  Domestic Reserve Percentage
                   AR  =  Assessment Rate

         __________
         *  The amount in brackets being rounded upward, if
         necessary, to the next higher 1/100 of 1%

                 The "CD Base Rate" applicable to any Interest
        Period is the rate of interest determined by the Agent to be
        the average (rounded upward, if necessary, to the next
        higher 1/100 of 1%) of the prevailing rates per annum bid at
        10:00 A.M. (New York City time) (or as soon thereafter as
        practicable) on the first day of such Interest Period by two
        or more New York certificate of deposit dealers of recog-
        nized standing for the purchase at face value from each CD
        Reference Bank of its certificates of deposit in an amount
        comparable to the principal amount of the CD Loan of such CD
        Reference Bank to which such Interest Period applies and
        having a maturity comparable to such Interest Period.

                 "Domestic Reserve Percentage" means for any day
        that percentage (expressed as a decimal) which is in effect
        on such day, as prescribed by the Board of Governors of the
        Federal Reserve System (or any successor) for determining
        the maximum reserve requirement (including without limita-
        tion any basic, supplemental or emergency reserves) for a
        member bank of the Federal Reserve System in New York City
        with deposits exceeding five billion dollars in respect of
        new non-personal time deposits in dollars in New York City
        having a maturity comparable to the related Interest Period
        and in an amount of $100,000 or more.  The Adjusted CD Rate
        shall be adjusted automatically on and as of the effective
        date of any change in the Domestic Reserve Percentage.

                 "Assessment Rate" means for any day the annual
        assessment rate in effect on such day which is payable by a
        member of the Bank Insurance Fund classified as adequately
        capitalized and within supervisory subgroup "A" (or a compa-
        rable successor assessment risk classification) within the
        meaning of 12 C.F.R. SECTION 327.4(a) (or any successor provision)
        to the Federal Deposit Insurance Corporation (or any succes-
        sor) for such Corporation's (or such successor's) insuring
        time deposits at offices of such institution in the United
        States.  The Adjusted CD Rate shall be adjusted automatical-
        ly on and as of the effective date of any change in the
        Assessment Rate.

                 (c)  Each Euro-Dollar Loan shall bear interest on
        the outstanding principal amount thereof, for each day
        during each Interest Period applicable thereto, at a rate
        per annum equal to the sum of the Euro-Dollar Margin for
        such day plus the London Interbank Offered Rate applicable
        to such Interest Period.  Such interest shall be payable for
        each Interest Period on the last day thereof and, if such
        Interest Period is longer than three months, at intervals of
        three months after the first day thereof.

                 The "London Interbank Offered Rate" applicable to
        any Interest Period means the rate appearing on Page 3750 of
        the Telerate Service (or on any successor or substitute page
        of such service, or any successor to or substitute for such
        service, providing rate quotations comparable to those
        currently provided on such page of the Telerate Service, as
        determined by the Agent from time to time for purposes of
        providing quotations of interest rates applicable to dollar
        deposits in the London interbank market) at approximately
        11:00 a.m. (London time) two Euro-Dollar Business Days prior
        to the commencement of such Interest Period, as the rate for
        dollar deposits with a maturity comparable to such Interest
        Period.  In the event that such rate is not so available at
        such time for any reason, then the "London Interbank Offered
        Rate" with respect to such Euro-Dollar Borrowing for such
        Interest Period shall be the average (rounded upward, if
        necessary, to the next higher 1/16 of 1%) of the respective
        rates per annum at which deposits in dollars are offered to
        each of the Euro-Dollar Reference Banks in the London inter-
        bank market at approximately 11:00 A.M. (London time) two
        Euro-Dollar Business Days before the first day of such
        Interest Period in an amount approximately equal to the
        principal amount of the Euro-Dollar Loan of such Euro-Dollar
        Reference Bank to which such Interest Period is to apply and
        for a period of time comparable to such Interest Period.

                 (d)  Any overdue principal of or interest on any
        Euro-Dollar Loan shall bear interest, payable on demand, for
        each day until paid at a rate per annum equal to the higher
        of (i) the sum of 2% plus the Euro-Dollar Margin for such
        day plus the London Interbank Offered Rate applicable to
        such Loan at the date such payment was due and (ii) the sum
        of 2% plus the Euro-Dollar Margin for such day plus the
        average (rounded upward, if necessary, to the next higher
        1/16 of 1%) of the respective rates per annum at which one
        day (or, if such amount due remains unpaid more than three
        Euro-Dollar Business Days, then for such other period of
        time not longer than three months as the Agent may select)
        deposits in dollars in an amount approximately equal to such
        overdue payment due to each of the Euro-Dollar Reference
        Banks are offered to such Euro-Dollar Reference Bank in the
        London interbank market for the applicable period determined
        as provided above (or, if the circumstances described in
        clause (a) or (b) of Section 8.1 shall exist, at a rate per
        annum equal to the sum of 2% plus the rate applicable to
        Base Rate Loans for such day).

                 (e)  Subject to Section 8.1, each Money Market
        LIBOR Loan shall bear interest on the outstanding principal
        amount thereof, for the Interest Period applicable thereto,
        at a rate per annum equal to the sum of the London Interbank
        Offered Rate for such Interest Period (determined in accor-
        dance with Section 2.7(c) as if the related Money Market
        LIBOR Borrowing were a Committed Euro-Dollar Borrowing) plus
        (or minus) the Money Market Margin quoted by the Bank making
        such Loan in accordance with Section 2.3.  Each Money Market
        Absolute Rate Loan shall bear interest on the outstanding
        principal amount thereof, for the Interest Period applicable
        thereto, at a rate per annum equal to the Money Market
        Absolute Rate quoted by the Bank making such Loan in accor-
        dance with Section 2.3.  Such interest shall be payable for
        each Interest Period on the last day thereof and, if such
        Interest Period is longer than three months, at intervals of
        three months after the first day thereof.  Any overdue
        principal of or interest on any Money Market Loan shall bear
        interest, payable on demand, for each day until paid at a
        rate per annum equal to the sum of 2% plus the Base Rate for
        such day.

                 (f)  The Agent shall determine each interest rate
        applicable to the Loans hereunder.  The Agent shall give
        prompt notice to the Borrower and the participating Banks of
        each rate of interest so determined, and its determination
        thereof shall be conclusive in the absence of manifest
        error.

                 (g)  Each Reference Bank agrees to use its best
        efforts to furnish quotations to the Agent as contemplated
        by this Section.  If any Reference Bank does not furnish a
        timely quotation, the Agent shall determine the relevant
        interest rate on the basis of the quotation or quotations
        furnished by the remaining Reference Bank or Banks or, if
        none of such quotations is available on a timely basis, the
        provisions of Section 8.1 shall apply.  

                 SECTION 2.8.  Fees.  (a)  The Borrowers shall pay
        to the Agent for the account of the Banks ratably a facility
        fee at the Facility Fee Rate (determined daily in accordance
        with the Pricing Schedule).  Such facility fee shall accrue
        (i) from and including the Effective Date to but excluding
        the date of termination of the Commitments in their entire-
        ty, on the daily aggregate amount of the Commitments (wheth-
        er used or unused) and (ii) from and including such date of
        termination to but excluding the date the Loans and the
        Letter of Credit Liabilities shall be repaid in their en-
        tirety, on the daily aggregate outstanding principal amount
        of the Loans and the daily aggregate amount of the Letter of
        Credit Liabilities.  Such fee shall be payable quarterly in
        arrears on each Quarterly Date and on the date of termina-
        tion of the Commitments in their entirety (and, if later,
        the date the Loans and the aggregate amount of Letter of
        Credit Liabilities shall be repaid in their entirety).  The
        portion of the facility fee that shall be the obligation of
        each Borrower other than the Company for any period shall be
        based on the average daily aggregate outstanding principal
        amount of Loans to such Borrower during such period in
        relation to the average daily aggregate amount of the Com-
        mitments during such period, all as determined by the Agent,
        which determination shall be conclusive absent manifest
        error.  The Company shall be solely responsible for payment
        of the balance of the facility fee.

                 (b)  The Company shall pay to the Agent for the
        account of the Banks ratably a letter of credit fee of
        0.375% per annum of the stated amount of the Letter of
        Credit, calculated on the basis of a year of 360 days.  Such
        fee shall accrue from and including the Date of Issuance (i)
        if there is no drawing under the Letter of Credit, to and
        including the date of the Expiration Time or, if applicable,
        to but excluding the Surrender Date, or (ii) if there is a
        drawing under the Letter of Credit, to but excluding the
        date on which the Banks honor (or are required to honor) a
        draw under the Letter of Credit (whichever of such dates
        shall be applicable, the "Last L/C Fee Date") and shall be
        payable in arrears on each Quarterly Date and on the Last
        L/C Fee Date.

                 SECTION 2.9.  Optional Termination or Reduction of
        Commitments.  During the Revolving Credit Period, the Compa-
        ny may, upon at least three Domestic Business Days' notice
        to the Agent, (i) terminate the Commitments at any time, if
        no Loans or Letter of Credit Liabilities are outstanding at
        such time or (ii) ratably reduce from time to time by an
        aggregate amount of $25,000,000 or a larger multiple of
        $1,000,000, the aggregate amount of the Commitments in
        excess of the sum of the aggregate outstanding principal
        amount of the Loans and the aggregate amount of Letter of
        Credit Liabilities.

                 SECTION 2.10.  Method of Electing Interest Rates.
        (a) The Loans included in each Committed Borrowing shall
        bear interest initially at the type of rate specified by the
        Borrower in the applicable Notice of Committed Borrowing. 
        Thereafter, the Borrower may from time to time elect to
        change or continue the type of interest rate borne by each
        Group of Loans (subject in each case to the provisions of
        Article 8), as follows:

                 (i) if such Loans are Base Rate Loans, the Borrow-
         er may elect to convert such Loans to CD Loans as of any
         Domestic Business Day or to Euro-Dollar Loans as of any
         Euro-Dollar Business Day;

                 (ii) if such Loans are CD Loans, the Borrower may
         elect to convert such Loans to Base Rate Loans or
         Euro-Dollar Loans or elect to continue such Loans as CD
         Loans for an additional Interest Period, subject to Section
         2.14 in the case of any such conversion or continuation
         effective on any day other than the last day of the then
         current Interest Period applicable to such Loans; and

                 (iii) if such Loans are Euro-Dollar Loans, the
         Borrower may elect to convert such Loans to Base Rate Loans
         or CD Loans or elect to continue such Loans as Euro-Dollar
         Loans for an additional Interest Period, subject to Section
         2.14 in the case of any such conversion or continuation
         effective on any day other than the last day of the then
         current Interest Period applicable to such Loans.

        Each such election shall be made by delivering a notice (a
        "Notice of Interest Rate Election") to the Agent not later
        than 10:30 A.M. (New York City time) on (i) in the case of a
        conversion to or continuation as a Euro-Dollar Loan, the
        third (or, if the desired Interest Period is 9 or 12 months,
        the fifth) Euro-Dollar Business Day before the conversion or
        continuation selected in such notice is to be effective or
        (ii) in the case of a conversion to or continuation as a CD
        Rate Loan, on the second (or, if the desired Interest Period
        is 270 or 360 days, the fourth) Domestic Business Day before
        such conversion or continuation is to be effective. A Notice
        of Interest Rate Election may, if it so specifies, apply to
        only a portion of the aggregate principal amount of the
        relevant Group of Loans; provided that (i) such portion is
        allocated ratably among the Loans comprising such Group and
        (ii) the portion to which such Notice applies, and the
        remaining portion to which it does not apply, are each
        $10,000,000 or any larger multiple of $1,000,000.  If no
        such notice is timely received prior to the end of an Inter-
        est Period, the Borrower shall be deemed to have elected
        that all Loans having such Interest Period be converted to
        Base Rate Loans.

                 (b)  Each Notice of Interest Rate Election shall
        specify:

                 (i) the Group of Loans (or portion thereof) to
         which such notice applies;

                 (ii) the date on which the conversion or continua-
         tion selected in such notice is to be effective, which
         shall comply with the applicable clause of subsection (a)
         above;

                 (iii) if the Loans comprising such Group are to be
         converted, the new type of Loans and, if the Loans being
         converted are to be Fixed Rate Loans, the duration of the
         next succeeding Interest Period applicable thereto; and

                 (iv) if such Loans are to be continued as CD Loans
         or Euro-Dollar Loans for an additional Interest Period, the
         duration of such additional Interest Period.

        Each Interest Period specified in a Notice of Interest Rate
        Election shall comply with the provisions of the definition
        of Interest Period.

                 (c)  Upon receipt of a Notice of Interest Rate
        Election from the Borrower pursuant to subsection (a) above,
        the Agent shall promptly notify each Bank of the contents
        thereof and such notice shall not thereafter be revocable by
        the Borrower.

                 (d)  An election by the Borrower to change or
        continue the rate of interest applicable to any Group of
        Loans pursuant to this Section shall not constitute a "Bor-
        rowing" subject to the provisions of Section 3.2.  

                 SECTION 2.11.  Mandatory Termination and Reduction
        of Commitments.  (a)  The Commitments shall terminate on the
        Termination Date and any Loans then outstanding (together
        with accrued interest thereon) shall be due and payable on
        such date.

                 (b)  To the extent not theretofore reduced to the
        same or a lesser amount pursuant to Section 2.9 or 2.11(c),
        the Commitments shall be ratably reduced on the second
        anniversary of the Initial Funding Date (the "Commitment
        Reduction Date") to an aggregate amount of $550,000,000.

                 (c)  In addition, if the Company or any of its
        Subsidiaries shall at any time, or from time to time, after
        the date hereof receive any Net Cash Proceeds of any Reduc-
        tion Event while the aggregate amount of the Commitments
        exceeds $550,000,000, the Commitments shall be reduced by an
        amount (the "Reduction Obligation") equal to the lesser of
        (i) 75% of such Net Cash Proceeds and (ii) the amount re-
        quired to reduce the aggregate amount of the Commitments to
        $550,000,000.  Such Reduction Obligation shall be effective
        forthwith upon receipt by the Company or any of its Subsid-
        iaries, as the case may be, of such Net Cash Proceeds;
        provided that if the Reduction Obligation in respect of any
        Reduction Event is less than $1,000,000, such reduction
        shall be effective upon receipt of Net Cash Proceeds such
        that, together with all other such amounts not previously
        applied, such Reduction Obligation is equal to at least
        $1,000,000; and provided further that if any reduction in
        the Commitments pursuant to this subsection (c) would other-
        wise require prepayment of Fixed Rate Loans or portions
        thereof prior to the last day of the then current Interest
        Period, such reduction shall, unless both (x) the Company
        would be unable on such date to satisfy the conditions set
        out in Section 3.2 and (y) the Agent otherwise notifies the
        Company upon the instructions of the Required Banks, be
        deferred to such last day of the related Interest Period. 
        The Company shall give the Agent at least three Euro-Dollar
        Business Days' notice of each reduction in the Commitments
        pursuant to this subsection.

                 (d)  On the date of any reduction of Commitments,
        the Borrowers other than Betz Canada shall be jointly and
        severally obligated to repay such principal amount (together
        with accrued interest thereon) of each Bank's outstanding
        Loans, if any, as may be necessary so that after such repay-
        ment (i) the sum of the aggregate outstanding principal
        amount of such Bank's Committed Loans plus its Letter of
        Credit Liabilities, does not exceed the amount of such
        Bank's Commitment as then reduced, and (ii) the aggregate
        unpaid principal amount of all outstanding Loans plus the
        amount of all Letter of Credit Liabilities does not exceed
        the aggregate amount of the Commitments as then reduced. 
        The particular Borrowings to be repaid shall be as designat-
        ed by the Borrowers in the related Notice or Notices of
        Borrowing (or, failing such designation by the Borrowers, as
        the Agent may designate); provided that neither the Agent
        nor the Borrowers shall be permitted to designate Borrowings
        made by Betz Canada for this purpose.

                 SECTION 2.12.  Optional Prepayments.  (a)  Subject
        in the case of any Fixed Rate Borrowing to Section 2.14, any
        Borrower may, upon at least one Domestic Business Day's
        notice to the Agent, prepay any Group of Domestic Loans (or
        any Money Market Borrowing bearing interest at the Base Rate
        pursuant to Section 8.1) or upon at least three Euro-Dollar
        Business Days' notice to the Agent, prepay any Group of
        Euro-Dollar Loans, in each case in whole at any time, or
        from time to time in part in amounts aggregating $10,000,000
        or any larger multiple of $1,000,000, by paying the princi-
        pal amount to be prepaid together with accrued interest
        thereon to the date of prepayment.  Each such optional
        prepayment shall be applied to prepay ratably the Loans of
        the several Banks included in such Group.

                 (b)  Except as provided in subsection (a) above no
        Borrower may prepay all or any portion of the principal
        amount of any Money Market Loan prior to the maturity there-
        of.

                 (c)  Upon receipt of a notice of prepayment pursu-
        ant to this Section, the Agent shall promptly notify each
        Bank of the contents thereof and of such Bank's ratable
        share (if any) of such prepayment and such notice shall not
        thereafter be revocable by the Borrower.  

                 SECTION 2.13.  General Provisions as to Payments. 
        (a)  The Borrowers shall make each payment of principal of,
        and interest on, the Loans and of Letter of Credit Liabili-
        ties and interest thereon and of fees hereunder not later
        than 2:00 P.M. (New York City time) on the date when due, in
        Federal or other funds immediately available in New York
        City, to the Agent at its address referred to in Section
        11.1.  The Agent will promptly distribute to each Bank its
        ratable share of each such payment received by the Agent for
        the account of the Banks.  Whenever any payment of principal
        of, or interest on, the Domestic Loans or of Letter of
        Credit Liabilities or interest thereon or of fees shall be
        due on a day which is not a Domestic Business Day, the date
        for payment thereof shall be extended to the next succeeding
        Domestic Business Day.  Whenever any payment of principal
        of, or interest on, the Euro-Dollar Loans shall be due on a
        day which is not a Euro-Dollar Business Day, the date for
        payment thereof shall be extended to the next succeeding
        Euro-Dollar Business Day unless such Euro-Dollar Business
        Day falls in another calendar month, in which case the date
        for payment thereof shall be the next preceding Euro-Dollar
        Business Day.  Whenever any payment of principal of, or
        interest on, the Money Market Loans shall be due on a day
        which is not a Euro-Dollar Business Day, the date for pay-
        ment thereof shall be extended to the next succeeding
        Euro-Dollar Business Day.  If the date for any payment of
        principal is extended by operation of law or otherwise,
        interest thereon shall be payable for such extended time.

                 (b)  Unless the Agent shall have received notice
        from a Borrower prior to the date on which any payment is
        due from such Borrower to the Banks hereunder that such
        Borrower will not make such payment in full, the Agent may
        assume that such Borrower has made such payment in full to
        the Agent on such date and the Agent may, in reliance upon
        such assumption, cause to be distributed to each Bank on
        such due date an amount equal to the amount then due such
        Bank.  If and to the extent that such Borrower shall not
        have so made such payment, each Bank shall repay to the
        Agent forthwith on demand such amount distributed to such
        Bank together with interest thereon, for each day from the
        date such amount is distributed to such Bank until the date
        such Bank repays such amount to the Agent, at the Federal
        Funds Rate.  

                 SECTION 2.14.  Funding Losses.  If a Borrower
        makes any payment of principal with respect to any Fixed
        Rate Loan or any Fixed Rate Loan is converted (pursuant to
        Article 2, 6 or 8 or otherwise, other than due to Section
        8.2(b)) on any day other than the last day of an Interest
        Period applicable thereto, or the last day of an applicable
        period fixed pursuant to Section 2.7(d), or if a Borrower
        fails to borrow, prepay, convert or continue any Fixed Rate
        Loans after notice has been given to any Bank in accordance
        with Section 2.4(a), 2.12(c) or 2.10(c), such Borrower shall
        reimburse each Bank within 15 days after demand for any
        resulting loss or expense reasonably incurred by it (or by
        an existing or prospective Participant in the related Loan),
        including (without limitation) any loss incurred in obtain-
        ing, liquidating or employing deposits from third parties in
        the principal amount so prepaid or in the principal amount
        which the Borrower failed to borrow, prepay, convert or
        continue, but excluding loss of margin for the period after
        any such payment or conversion or failure to borrow, prepay,
        convert or continue, provided that such Bank shall have
        delivered to such Borrower a certificate as to the amount of
        such loss or expense and showing the calculation thereof,
        which certificate shall be conclusive in the absence of
        manifest error.  

                 SECTION 2.15.  Computation of Interest and Fees. 
        Interest based on the Prime Rate hereunder shall be computed
        on the basis of a year of 365 days (or 366 days in a leap
        year) and paid for the actual number of days elapsed (in-
        cluding the first day but excluding the last day).  All
        other interest and fees shall be computed on the basis of a
        year of 360 days and paid for the actual number of days
        elapsed (including the first day but excluding the last
        day).

                 SECTION 2.16.  Regulation D Compensation.  Each
        Bank may, so long as such Bank shall be required to maintain
        reserves in respect of "Eurocurrency liabilities" under
        Regulation D of the Board of Governors of the Federal Re-
        serve System (or in respect of any other category of liabil-
        ities which includes deposits by reference to which the
        interest rate on Euro-Dollar Loans is determined or any
        category of extensions of credit or other assets that in-
        cludes loans by a non-United States office of such Bank to
        United States residents), require any Borrower to pay,
        contemporaneously with each payment of interest on the
        Euro-Dollar Loans, additional interest on the related
        Euro-Dollar Loan of such Bank at a rate per annum determined
        by such Bank up to but not exceeding the excess of (i) (A)
        the applicable London Interbank Offered Rate divided by (B)
        one minus the Euro-Dollar Reserve Percentage over (ii) the
        applicable London Interbank Offered Rate.  Any Bank wishing
        to require payment of such additional interest (x) shall so
        notify such Borrower and the Agent, in which case such
        additional interest on the Euro-Dollar Loans of such Bank
        shall be payable to such Bank at the place indicated in such
        notice with respect to each Interest Period commencing at
        least three Euro-Dollar Business Days after the giving of
        such notice and (y) shall notify such Borrower at least five
        Euro-Dollar Business Days prior to each date on which inter-
        est is payable on the Euro-Dollar Loans of the amount then
        due it under this Section.

                 SECTION 2.17.  Judgment Currency.  If for the
        purpose of obtaining judgment in any court it is necessary
        to convert a sum due from any Borrower hereunder or under
        any of the Notes in United States dollars ("dollars") into
        another currency, the parties hereto agree, to the fullest
        extent that they may effectively do so, that the rate of
        exchange used shall be that at which in accordance with
        normal banking procedures the Agent could purchase dollars
        with such other currency at the Agent's New York office at
        11:00 A.M. (New York City time) on the Domestic Business Day
        preceding that on which final judgment is given.  The obli-
        gations of each Borrower in respect of any sum due to any
        Bank or the Agent hereunder or under any Note shall, not-
        withstanding any judgment in a currency other than dollars,
        be discharged only to the extent that on the Domestic Busi-
        ness Day following receipt by such Bank or the Agent (as the
        case may be) of any sum adjudged to be so due in such other
        currency such Bank or the Agent (as the case may be) may in
        accordance with normal banking procedures purchase dollars
        with such other currency; if the amount of dollars so pur-
        chased is less than the sum originally due to such Bank or
        the Agent, as the case may be, in dollars, each Borrower
        agrees, to the fullest extent that it may effectively do so,
        as a separate obligation and notwithstanding any such judg-
        ment, to indemnify such Bank or the Agent, as the case may
        be, against such loss, and if the amount of dollars so
        purchased exceeds (a) the sum originally due to any Bank or
        the Agent, as the case may be, and (b) any amounts shared
        with other Banks as a result of allocations of such excess
        as a disproportionate payment to such Bank under Section
        11.4, such Bank or the Agent, as the case may be, agrees to
        remit such excess to the appropriate Borrower.

                 SECTION 2.18.  Foreign Subsidiary Costs. (a)  If
        the cost to any Bank of making or maintaining any Loan to an
        Eligible Subsidiary is increased, or the amount of any sum
        received or receivable by any Bank (or its Applicable Lend-
        ing Office) is reduced by an amount deemed by such Bank to
        be material, by reason of the fact that such Eligible Sub-


        sidiary is incorporated in, or conducts business in, a
        jurisdiction outside the United States of America, such
        Eligible Subsidiary shall indemnify such Bank for such
        increased cost or reduction within 15 days after demand by
        such Bank (with a copy to the Agent).  A certificate of such
        Bank claiming compensation under this subsection (a) and
        setting forth the additional amount or amounts to be paid to
        it hereunder shall be conclusive in the absence of manifest
        error.

                      (b)  Each Bank will promptly notify the Company,
        the applicable Eligible Subsidiary and the Agent of any
        event of which it has knowledge that will entitle such Bank
        to additional compensation pursuant to subsection (a) and
        will designate a different Applicable Lending Office if, in
        the judgment of such Bank, such designation will avoid the
        need for, or reduce the amount of, such compensation and
        will not be otherwise disadvantageous to such Bank.

                 SECTION 2.19.  Letter of Credit. 

                      (a) Issuance of the Letter of Credit.  The Banks
             severally agree, on the terms and conditions herein set
             forth, to issue to the Beneficiary the Letter of Credit on a
             date (the "Date of Issuance"), not later than  September 30,
             1996 and designated by the Company by not less than three
             Domestic Business Days' notice to the Agent.  The Agent
             shall promptly notify each Bank of the Date of Issuance so
             designated by the Company.

                      (b) Drawings under the Letter of Credit.  Upon
             receipt from the Beneficiary of a demand for payment under
             the Letter of Credit, the Agent shall determine in accor-
             dance with the terms and conditions of the Letter of Credit
             whether such demand for payment should be honored.  If the
             Agent determines that a demand for payment by the Beneficia-
             ry should be honored in accordance with the terms and condi-
             tions set forth in the Letter of Credit, the Agent shall
             promptly notify the Company and each Bank of the aggregate
             amount to be paid as a result of such demand and shall
             promptly notify each Bank of its share of such amount.  Each
             Bank shall make available to the Agent for the account of
             the Beneficiary its share of the amount so demanded in
             accordance with the terms of the Letter of Credit.

                      (c)  Reimbursement Obligation.  If any Bank pays
             any portion of any draft presented under the Letter of
             Credit, the Company agrees to pay to such Bank on the date
             of such payment (the "Reimbursement Due Date") an amount
             equal to the amount paid by such Bank under the Letter of
             Credit (a "Reimbursable Amount").  If any Reimbursable
             Amount is not paid on or before the relevant Reimbursement
             Due Date, the overdue amount shall bear interest until paid
             as provided in subsection 2.19(d).

                      (d)  Overdue Amounts.  Any amount payable under
             this Section 2.19 which is not paid when due shall bear
             interest, payable on demand, for each day until paid at a
             rate per annum equal to the sum of 2% plus the Base Rate for
             such day.

                      (e)  Obligations Absolute.  The obligations of the
             Company under this Section 2.19 shall be absolute, uncondi-
             tional and irrevocable, and shall be performed strictly in
             accordance with the terms of this Agreement, under all
             circumstances whatsoever, including without limitation the
             following circumstances:

                        (i) any lack of validity or enforceability of
              any Related Document or any term or provision therein;

                       (ii) any amendment or waiver of or any consent to
              departure from all or any of the provisions of any Related
              Document;

                      (iii) the existence of any claim, set-off, defense
              or other rights that the Company may have at any time
              against the Beneficiary (or any Persons for whom the Bene-
              ficiary may be acting), the Banks or any other Person,
              whether in connection with this Agreement, the Related
              Documents or any unrelated transactions;

                       (iv) any statement or any other document present-
              ed under the Letter of Credit proving to be forged, fraudu-
              lent or invalid in any respect or any statement therein
              being untrue or inaccurate in any respect whatsoever;

                        (v) payment by any Bank under the Letter of
              Credit against presentation to the Agent of a draft or
              certificate that does not comply with the terms of the
              Letter of Credit, subject to Section 11.3(c); or

                       (vi) any other act or omission to act or delay of
              any kind by any Bank, the Agent or any other Person or any
              other event or circumstance whatsoever that might, but for
              the provisions of this Section, constitute a legal or
              equitable discharge of the Company's obligations hereunder.

             Nothing in this Agreement and no failure by the Company to
             perform any of its obligations hereunder shall affect the
             several obligations of the Banks under the Letter of Credit.

                                      ARTICLE 3

                                      CONDITIONS

                      SECTION 3.1.  Closing.  The closing hereunder
             shall occur upon receipt by the Agent of the following
             documents, each dated the Closing Date unless otherwise
             indicated:

                      (a)  a duly executed copy of this Agreement and
              duly executed Notes of each of the Company and Betz Canada
              for the account of each Bank dated on or before the Closing
              Date complying with the provisions of Section 2.5;

                      (b)  an opinion of Morgan, Lewis & Bockius LLP,
              counsel for the Company and United States counsel for Betz
              Canada, substantially in the form of Exhibit F-1 hereto and
              covering such additional matters relating to the transac-
              tions contemplated hereby as the Required Banks may reason-
              ably request;

                      (c)  an opinion of Bennett Jones Verchere, Canadi-
              an counsel for Betz Canada, substantially in the form of
              Exhibit F-2 hereto and covering such additional matters
              relating to the transactions contemplated hereby as the
              Required Banks may reasonably request;

                      (d)  an opinion of Davis Polk & Wardwell, special
              counsel for the Agent, substantially in the form of Exhibit
              G hereto and covering such additional matters relating to
              the transactions contemplated hereby as the Required Banks
              may reasonably request; and

                      (e)  all documents the Agent may reasonably re-
              quest relating to the existence of the Company and Betz
              Canada, the corporate authority for and the validity of
              this Agreement and the Notes, and any other matters rele-
              vant hereto, all in form and substance satisfactory to the
              Agent.

             The Agent shall promptly notify the Company and the Banks of
             the Closing Date, and such notice shall be conclusive and
             binding on all parties hereto.  

                      SECTION 3.2.  Borrowings and Issuance of Letter of
             Credit.  The obligation of any Bank to make a Loan on the
             occasion of any Borrowing and the obligations of the several
             Banks to issue the Letter of Credit are subject to the
             satisfaction of the following conditions:

                      (a)  the fact that the Closing Date shall have
              occurred on or prior to July 1, 1996;

                      (b)  receipt by the Agent of a Notice of Borrowing
              as required by Section 2.2 or 2.3 or receipt by the Agent
              of the notice required by subsection 2.19(a), as the case
              may be;

                      (c)  the fact that, on the Initial Funding Date,
              (i) the Company shall have acquired the Dearborn Business
              on terms in all material respects as set forth in the
              Acquisition Agreement, (ii) all material licenses, permits
              and governmental and third party filings, consents and
              approvals required for such acquisition shall have been
              obtained and remain in full force and effect and (iii) the
              Agent shall have received a certificate of the Company from
              the President or any Vice President of the Company to the
              effect of (i) and (ii);

                      (d)  the fact that the Agent shall have received
              payment of (i) its fees in accordance with the commitment
              letter agreement dated April 9, 1996 between Morgan Guaran-
              ty Trust Company of New York and the Company and (ii) for
              the benefit of the Banks, the Banks' participation fees
              pursuant to such commitment letter agreement by the earlier
              of the Initial Funding Date or July 1, 1996;

                      (e)  the fact that, immediately after such Borrow-
              ing or issuance of the Letter of Credit, the sum of the
              aggregate outstanding principal amount of the Loans and the
              aggregate amount of Letter of Credit Liabilities will not
              exceed the aggregate amount of the Commitments;  provided
              that if the Letter of Credit is tendered to the Agent for
              cancellation not later than 2:00 P.M. (New York City time)
              on the date of a proposed Borrowing, then the Letter of
              Credit shall be deemed to be not outstanding on such date
              (the "Surrender Date");

                      (f)  except in the case of a Note Payoff Borrow-
              ing, the fact that, immediately before and after such
              Borrowing or issuance of the Letter of Credit, no Default
              shall have occurred and be continuing;

                      (g)  except in the case of a Note Payoff Borrow-
              ing, the fact that the representations and warranties of
              the Borrower (and, if the Borrower is an Eligible Subsid-
              iary, of the Company) contained in this Agreement (except,
              in the case of any Borrowing after the Initial Funding
              Date, the representations and warranties set forth in
              Section 4.12) shall be true in all material respects on and
              as of the date of such Borrowing or issuance of the Letter
              of Credit;

                      (h)  the fact that immediately after such Borrow-
              ing, the aggregate principal amount of Loans outstanding to
              Betz Canada will not exceed $550,000,000; and

                      (i)  the fact that, if the Borrowing is by Betz
              Canada, such Borrowing is a Committed Borrowing and the
              date of such Borrowing is more than five years prior to the
              Termination Date.

             Each Borrowing and issuance of the Letter of Credit hereun-
             der shall be deemed to be a representation and warranty by
             the Borrower on the date of such Borrowing or issuance of
             the Letter of Credit as to the facts specified in clauses
             (e) - (i) of this Section.

                      SECTION 3.3.  First Borrowing by Each Eligible
             Subsidiary.  The obligation of each Bank to make a Loan on
             the occasion of the first Borrowing by each Eligible Subsid-
             iary is subject to the satisfaction of the following further
             conditions (except to the extent previously satisfied pursu-
             ant to Section 3.1, in the case of Betz Canada):

                      (a)  receipt by the Agent for the account of each
              Bank of a duly executed Note of such Eligible Subsidiary,
              dated on or before the date of such Borrowing complying
              with the provisions of Section 2.5;

                      (b)  receipt by the Agent of an opinion or opin-
              ions of counsel for such Eligible Subsidiary and/or for the
              Company acceptable to the Agent and addressed to the Agent
              and the Banks, substantially to the effect of Exhibit J
              hereto and covering such additional matters relating to the
              transactions contemplated hereby as the Required Banks may
              reasonably request; and

                      (c)  receipt by the Agent of all documents which
              it may reasonably request relating to the existence of such
              Eligible Subsidiary, the corporate authority for and the
              validity of the Election to Participate of such Eligible
              Subsidiary, this Agreement and the Notes of such Eligible
              Subsidiary, and any other matters relevant thereto, all in
              form and substance satisfactory to the Agent.


                                      ARTICLE 4

                            REPRESENTATIONS AND WARRANTIES

                      The Company represents and warrants (such repre-
             sentations and warranties, in so far as they relate to the
             Dearborn Business and any Subsidiary acquired under the
             Acquisition Agreement and in so far as they are made or
             deemed made on or prior to the date of delivery of the
             Company's first annual financial statements pursuant to
             Section 5.1.A(a), being made to the knowledge of the Company
             based upon the representations and warranties contained in
             the Acquisition Agreement and the Company's own due dili-
             gence) that: 

                      SECTION 4.1.  Corporate Existence and Power.  The
             Company is a corporation duly incorporated, validly existing
             and in good standing under the laws of the jurisdiction of
             its incorporation, and has all corporate powers and all
             material governmental licenses, authorizations, consents and
             approvals required to carry on its business as now conduct-
             ed.  

                      SECTION 4.2.  Corporate and Governmental Authori-
             zation; No Contravention.  The execution, delivery and
             performance by the Company of this Agreement and the Notes
             are within the corporate powers of the Company, have been
             duly authorized by all necessary corporate action, require
             no action by or in respect of, or filing with, any govern-
             mental body, agency or official and do not contravene, or
             constitute a default under, any provision of applicable law
             or regulation or of the articles of incorporation or by-laws
             of the Company or of any agreement, judgment, injunction,
             order, decree or other instrument binding upon the Company
             or any of its Subsidiaries or result in the creation or
             imposition of any Lien on any asset of the Company or any of
             its Subsidiaries.  

                      SECTION 4.3.  Binding Effect.  This Agreement has
             been duly executed and delivered by the Company and consti-
             tutes a valid and binding agreement of the Company and each
             of its Notes, when executed and delivered in accordance with
             this Agreement, will constitute a valid and binding obliga-
             tion of the Company, in each case enforceable in accordance
             with its terms.  

                      SECTION 4.4.  Financial Information.  (a)  The
             consolidated balance sheet of the Company and its Consoli-
             dated Subsidiaries as of December 31, 1995 and the related
             consolidated statements of operations, cash flows and common
             shareholders' equity for the fiscal year then ended, report-
             ed on by Ernst & Young LLP and set forth in the Company's
             1995 Form 10-K, a copy of which has been delivered to each
             of the Banks, fairly present, in conformity with generally
             accepted accounting principles, the consolidated financial
             position of the Company and its Consolidated Subsidiaries as
             of such date and their consolidated results of operations
             and cash flows for such fiscal year.

                      (b)  Since December 31, 1995 there has been no
             material adverse change in the business, financial position
             or results of operations of the Company and its Consolidated
             Subsidiaries, considered as a whole.

                      SECTION 4.5.  Litigation.  There is no action,
             suit or proceeding pending against or, to the knowledge of
             the Company, threatened against or affecting the Company or
             any of its Subsidiaries before any court or arbitrator or
             any governmental body, agency or official in which there is
             a reasonable possibility of an adverse decision which would
             materially adversely affect the business, consolidated
             financial position or consolidated results of operations of
             the Company and its Consolidated Subsidiaries, considered as
             a whole, or which in any manner draws into question the
             validity or enforceability of this Agreement or the Notes.  

                      SECTION 4.6.  Compliance with ERISA.  Each member
             of the ERISA Group has fulfilled its obligations under the
             minimum funding standards of ERISA and the Internal Revenue
             Code with respect to each Plan and is in compliance in all
             material respects with the presently applicable provisions
             of ERISA and the Internal Revenue Code with respect to each
             Plan.  No member of the ERISA Group has (i) sought a waiver
             of the minimum funding standard under Section 412 of the
             Internal Revenue Code in respect of any Plan, (ii) failed to
             make any contribution or payment to any Plan or
             Multiemployer Plan or in respect of any Benefit Arrangement,
             or made any amendment to any Plan or Benefit Arrangement,
             which has resulted or could result in the imposition of a
             Lien or the posting of a bond or other security under ERISA
             or the Internal Revenue Code or (iii) incurred any liability
             under Title IV of ERISA other than a liability to the PBGC
             for premiums under Section 4007 of ERISA.  

                      SECTION 4.7.  Environmental Matters.   In the
             ordinary course of its business, the Company conducts an
             ongoing review of the effect of Environmental Laws on the
             business, operations and properties of the Company and its
             Subsidiaries, in the course of which it identifies and
             evaluates associated liabilities and costs (including,
             without limitation, any capital or operating expenditures
             required for clean-up or closure of properties presently or
             previously owned, any capital or operating expenditures
             required to achieve or maintain compliance with environmen-
             tal protection standards imposed by law or as a condition of
             any license, permit or contract, any related constraints on
             operating activities, including any periodic or permanent
             shutdown of any facility or reduction in the level of or
             change in the nature of operations conducted thereat, any
             costs or liabilities in connection with off-site disposal of
             wastes or Hazardous Substances, and any actual or potential
             liabilities to third parties, including employees, and any
             related costs and expenses).  On the basis of this review,
             the Company has reasonably concluded that such associated
             liabilities and costs, including the costs of compliance
             with Environmental Laws, are unlikely to have an effect on
             the business, financial condition,  results of operations or
             prospects of the Company and its Consolidated Subsidiaries,
             considered as a whole, that would be materially adverse in
             relation to the Banks.

                      SECTION 4.8.  Taxes.  The Company and its Subsid-
             iaries have filed all United States Federal income tax
             returns and all other material tax returns which are re-
             quired to be filed by them and have paid all taxes due
             pursuant to such returns or pursuant to any assessment
             received by the Company or any Subsidiary.  The charges,
             accruals and reserves on the books of the Company and its
             Subsidiaries in respect of taxes or other governmental
             charges are, in the opinion of the Company, adequate.  

                      SECTION 4.9.  Subsidiaries.  Each of the Company's
             corporate Material Subsidiaries is a corporation validly
             existing and in good standing under the laws of its juris-
             diction of incorporation, and has all corporate powers and
             all material governmental licenses, authorizations, consents
             and approvals required to carry on its business as now
             conducted.  

                      SECTION 4.10.  Regulatory Restrictions on Borrow-
             ing.  The Company is not an "investment company" within the
             meaning of the Investment Company Act of 1940, as amended, a
             "holding company" within the meaning of the Public Utility
             Holding Company Act of 1935, as amended, or otherwise sub-
             ject to any regulatory scheme which restricts its ability to
             incur debt.  

                      SECTION 4.11.  Full Disclosure.  Neither the
             descriptions of the Company and the Dearborn Business in the
             Information Memorandum, as of the date of the Information
             Memorandum, nor any statement or certification furnished by
             the Company to the Agent or any Bank pursuant to this Agree-
             ment, as of the date of such statement or certification,
             contained any untrue statement of a material fact or omitted
             to state a material fact necessary in order to make any
             statements contained therein, in the light of the circum-
             stances under which they were made, not misleading.

                      SECTION 4.12.  Representations and Warranties
             Relating to Dearborn.  (a)  The Company has furnished to the
             Agent and the Banks the special-purpose, combined and con-
             solidated statement of net assets of the Dearborn Business
             as of December 31, 1995 and the special-purpose, combined
             and consolidated statement of pretax income of the Dearborn
             Business for the year then ended, in each case audited by
             Price Waterhouse LLP and as furnished to the Company pursu-
             ant to the provisions of the Acquisition Agreement; such
             statements present fairly, in all material respects, the net
             assets of the Dearborn Business as of December 31, 1995 and
             the pretax results of operations of the Dearborn Business
             for the year then ended in accordance with the basis of
             presentation described therein and in the accompanying
             reports thereon of Price Waterhouse LLP.

                      (b)  Since the date of distribution of the Infor-
             mation Memorandum, there has been no material adverse change
             in the business, financial position or results of operations
             of the Dearborn Business taken as a whole.

                      (c)  The projections set forth in the Information
             Memorandum were, in the opinion of management of the Compa-
             ny, based on reasonable assumptions and as of the date of
             distribution of the Information Memorandum represented
             management's best estimate of future performance of the
             Dearborn Business.

                      (d)  Since the date of distribution of the Infor-
             mation Memorandum, no event or condition has come to the
             attention of management of the Company which would have
             caused the assumptions used in preparing the projections in
             the Information Memorandum to be materially misleading.

                                      ARTICLE 5

                                      COVENANTS

                      The Company and, where stated, each other Borrower
             agree that, so long as any Bank has any Commitment hereunder
             or any amount payable under any Note or any Letter of Credit
             Liability remains unpaid: 

                      SECTION 5.1.A.  Company Information.  The Company
             will deliver to each of the Banks:

                      (a)  as soon as available and in any event within
              90 days after the end of each fiscal year of the Company, a
              consolidated balance sheet of the Company and its Consoli-
              dated Subsidiaries as of the end of such fiscal year and
              the related consolidated statements of operations, cash
              flows and common shareholders' equity for such fiscal year,
              setting forth in each case in comparative form the figures
              for the previous fiscal year, all reported on in a manner
              acceptable to the Securities and Exchange Commission by
              Ernst & Young LLP or other independent public accountants
              of nationally recognized standing;

                      (b)  as soon as available and in any event within
              45 days after the end of each of the first three quarters
              of each fiscal year of the Company, a consolidated balance
              sheet of the Company and its Consolidated Subsidiaries as
              of the end of such quarter and the related consolidated
              statements of operations for such quarter and for the
              portion of the Company's fiscal year ended at the end of
              such quarter and the related consolidated statement of cash
              flows for the portion of the Company's fiscal year ended at
              the end of such quarter, setting forth in the case of such
              statements of operations and cash flows, in comparative
              form, the figures for the corresponding periods of the
              Company's previous fiscal year, all certified (subject to
              normal year-end adjustments) as to fairness of presenta-
              tion, generally accepted accounting principles (except as
              to the absence of footnotes) and consistency by the chief
              financial officer or the chief accounting officer of the
              Company;

                      (c)  simultaneously with the delivery of each set
              of financial statements referred to in clauses (a) and (b)
              above, a certificate of the chief financial officer or the
              chief accounting officer of the Company (i) setting forth
              in reasonable detail the calculations required to establish
              whether the Company was in compliance with the requirements
              of Sections 5.7(b) and 5.9(g), (h) and (l) and 5.10 to
              5.14, inclusive, on the date of such financial statements,
              (ii) if the One-Time Pricing Option (as defined in the
              Pricing Schedule) has not been exercised, setting forth the
              calculations required to establish the Applicable Pricing
              Ratio (as defined in the Pricing Schedule) and (iii) stat-
              ing whether any Default exists on the date of such certifi-
              cate and, if any Default then exists, setting forth the
              details thereof and the action which the Company is taking
              or proposes to take with respect thereto;

                      (d)  simultaneously with the delivery of each set
              of financial statements referred to in clause (a) above, a
              statement of the firm of independent public accountants
              which reported on such statements (i) as to whether any-
              thing has come to their attention to cause them to believe
              that any Default existed on the date of such statements (it
              being understood that such accountants shall not thereby be
              required to perform any procedures not otherwise required
              under generally accepted auditing standards) and (ii)
              confirming the calculations set forth in the officer's
              certificate delivered simultaneously therewith pursuant to
              clause (c) above;

                      (e)  within five days after the chief financial
              officer, the treasurer or chief accounting officer of the
              Company obtains knowledge of any Default, if such Default
              is then continuing, a certificate of the chief financial
              officer, the treasurer or the chief accounting officer of
              the Company setting forth the details thereof and the
              action which the Company is taking or proposes to take with
              respect thereto;

                      (f)  promptly upon the mailing thereof to the
              shareholders of the Company generally, copies of all finan-
              cial statements, reports and proxy statements so mailed;

                      (g)  promptly upon the filing thereof, copies of
              all registration statements (other than the exhibits there-
              to and any registration statements on Form S-8 or its
              equivalent) and reports (other than the exhibits thereto)
              on Forms 10-K, 10-Q and 8-K (or their equivalents) which
              the Company shall have filed with the Securities and Ex-
              change Commission;

                      (h)  if and when any member of the ERISA Group
              (i) gives or is required to give notice to the PBGC of any
              "reportable event" (as defined in Section 4043 of ERISA)
              with respect to any Plan which might constitute grounds for
              a termination of such Plan under Title IV of ERISA, or
              knows that the plan administrator of any Plan has given or
              is required to give notice of any such reportable event, a
              copy of the notice of such reportable event given or re-
              quired to be given to the PBGC; (ii) receives notice of
              complete or partial withdrawal liability under Title IV of
              ERISA or notice that any Multiemployer Plan is in reorgani-
              zation, is insolvent or has been terminated, a copy of such
              notice; (iii) receives notice from the PBGC under Title IV
              of ERISA of an intent to terminate, impose liability (other
              than for premiums under Section 4007 of ERISA) in respect
              of, or appoint a trustee to administer any Plan, a copy of
              such notice; (iv) applies for a waiver of the minimum
              funding standard under Section 412 of the Internal Revenue
              Code, a copy of such application; (v) gives notice of
              intent to terminate any Plan under Section 4041(c) of
              ERISA, a copy of such notice and other information filed
              with the PBGC; (vi) gives notice of withdrawal from any
              Plan pursuant to Section 4063 of ERISA, a copy of such
              notice; or (vii) fails to make any payment or contribution
              to any Plan or Multiemployer Plan or in respect of any
              Benefit Arrangement or makes any amendment to any Plan or
              Benefit Arrangement which has resulted or could result in
              the imposition of a Lien or the posting of a bond or other
              security, a certificate of the chief financial officer or
              the chief accounting officer of the Company setting forth
              details as to such occurrence and action, if any, which the
              Company or applicable member of the ERISA Group is required
              or proposes to take; and

                      (i)  from time to time such additional information
              regarding the financial position or business of the Company
              and its Subsidiaries as the Agent, at the request of any
              Bank, may reasonably request.  

                      SECTION 5.1.B.  Other Borrower Information.  Each
             Borrower other than the Company will deliver to each of the
             Banks:

                      (a) as soon as available and in any event within
              120 days after the end of each fiscal year of such Borrow-
              er, a consolidated balance sheet of such Borrower and its
              Consolidated Subsidiaries as of the end of such fiscal year
              and the related consolidated statements of operations, cash
              flows and common shareholders' equity for such fiscal year,
              setting forth in each case in comparative form the figures
              for the previous fiscal year, all certified as to fairness
              of presentation and consistency by the chief financial
              officer or the chief accounting officer of such Borrower;
              and

                      (b) from time to time such additional information
              regarding the financial position or business of such Bor-
              rower as the Agent, at the request of any Bank, may reason-
              ably request.  

                      SECTION 5.2.  Payment of Obligations.  Each Bor-
             rower will pay and discharge, and will cause each of its
             Subsidiaries to pay and discharge, at or before maturity,
             all their respective material obligations and liabilities
             (including, without limitation, material tax liabilities and
             claims of materialmen, warehousemen and the like which if
             unpaid might by law give rise to a Lien), except where the
             same may be contested in good faith by appropriate proceed-
             ings, and will maintain, and will cause each of its Subsid-
             iaries to maintain, in accordance with generally accepted
             accounting principles, appropriate reserves for the accrual
             of any of the same.  

                      SECTION 5.3.  Maintenance of Property; Insurance. 
             (a)  Each Borrower will keep, and will cause each of its
             Subsidiaries to keep, all property useful and necessary in
             its business in good working order and condition, ordinary
             wear and tear excepted.

                      (b)  Each Borrower will, and will cause each of
             its Subsidiaries to, maintain (either in the name of the
             Company or in such Borrower's or Subsidiary's own name) with
             financially sound and responsible insurance companies,
             insurance on all its respective properties in at least such
             amounts, against at least such risks and with such risk
             retention as are usually maintained, insured against or
             retained, as the case may be, in the same general area by
             companies of established repute engaged in the same or a
             similar business; and will furnish to the Banks, upon re-
             quest from the Agent, information presented in reasonable
             detail as to the insurance so carried.  

                      SECTION 5.4.  Conduct of Business and Maintenance
             of Existence.  Each Borrower and its Subsidiaries taken as a
             whole will continue to engage in business of the same gener-
             al type as now conducted by such Borrower and its Subsidiar-
             ies, and each Borrower will preserve, renew and keep in full
             force and effect, and will cause each of its Subsidiaries to
             preserve, renew and keep in full force and effect, its
             respective corporate existence and its respective rights,
             privileges and franchises necessary or desirable in the
             normal conduct of business; provided that nothing in this
             Section 5.4 shall prohibit (i) the consolidation or merger
             of a Subsidiary with or into another Person or (ii) the
             termination of the corporate existence of any Subsidiary if,
             in the case of clauses (i) and (ii), the Company in good
             faith determines that such consolidation, merger or termina-
             tion is in the best interest of the Company and is not
             materially disadvantageous to the Banks.  

                      SECTION 5.5.  Compliance with Laws.  Each Borrower
             will comply, and cause each of its Subsidiaries to comply,
             in all material respects with all applicable laws, ordinanc-
             es, rules, regulations, and requirements of governmental
             authorities (including, without limitation, Environmental
             Laws and ERISA and the rules and regulations thereunder)
             except where the necessity of compliance therewith is con-
             tested in good faith by appropriate proceedings.  

                      SECTION 5.6.  Inspection of Property, Books and
             Records.  Each Borrower will keep, and will cause each of
             its Subsidiaries to keep, proper books of record and account
             in which full, true and correct entries shall be made of all
             dealings and transactions in relation to its business and
             activities; and will permit, and will cause each of its
             Subsidiaries to permit, representatives of any Bank at such
             Bank's expense to visit and inspect any of its respective
             properties, to examine and make abstracts from any of its
             respective books and records and to discuss its respective
             affairs, finances and accounts with its respective officers,
             employees and independent public accountants, all at such
             reasonable times as may be desired.

                      SECTION 5.7.  Mergers and Sales of Assets.  (a)
             The Company will not consolidate or merge with or into any
             other Person; provided that the Company may merge with
             another Person if (x) the Company is the corporation surviv-
             ing such merger and (y) after giving effect to such merger,
             no Default shall have occurred and be continuing.

                      (b)  The Company will not sell, lease or otherwise
             transfer, directly, or indirectly, assets (exclusive of
             assets transferred in the ordinary course of business and
             any Permitted Receivables Disposition) if after giving
             effect to such transfer the aggregate book value of assets
             so transferred subsequent to the date of this Agreement
             would exceed 25% of Consolidated Assets as of the day pre-
             ceding the date of such transfer.

                      SECTION 5.8.  Use of Proceeds.  The proceeds of
             the Loans made under this Agreement will be used by the
             Borrowers for general corporate purposes, including the
             acquisition by the Borrowers of the Dearborn Business.  None
             of such proceeds will be used, directly or indirectly, for
             the purpose, whether immediate, incidental or ultimate, of
             buying or carrying any "margin stock" within the meaning of
             Regulation U.

                      SECTION 5.9.  Negative Pledge.  Neither any Bor-
             rower nor any Subsidiary of any Borrower will create, assume
             or suffer to exist any Lien on any asset now owned or here-
             after acquired by it, except:

                      (a)  Liens existing on the date of this Agreement
              securing Debt outstanding on the date of this Agreement in
              an aggregate principal or face amount not exceeding
              $15,000,000;

                      (b)  any Lien existing on any asset of any Person
              at the time such Person becomes a Subsidiary of a Borrower
              and not created in contemplation of such event;

                      (c)  any Lien on any asset securing Debt incurred
              or assumed for the purpose of financing all or any part of
              the cost of acquiring or constructing such asset, provided
              that such Lien attaches to such asset concurrently with or
              within 90 days after the acquisition or completion of
              construction thereof;

                      (d)  any Lien on any asset of any Person existing
              at the time such Person is merged or consolidated with or
              into a Borrower or a Subsidiary of a Borrower and not
              created in contemplation of such event;

                      (e)  any Lien existing on any asset prior to the
              acquisition thereof by a Borrower or a Subsidiary of a
              Borrower and not created in contemplation of such acquisi-
              tion;

                      (f)  any Lien arising out of the refinancing,
              extension, renewal or refunding of any Debt secured by any
              Lien permitted by any of the foregoing clauses of this
              Section, provided that the proceeds or such Debt are used
              solely for the foregoing purpose and to pay financing costs
              and such Debt is not secured by any additional assets;

                      (g)  Liens arising in the ordinary course of its
              business which (i) do not secure Debt or Derivatives Obli-
              gations, (ii) do not secure any obligation in an amount
              exceeding $25,000,000 and (iii) do not in the aggregate
              materially detract from the value of its assets or materi-
              ally impair the use thereof in the operation of its busi-
              ness;

                      (h)  Liens on cash and cash equivalents securing
              Derivatives Obligations, provided that the aggregate amount
              of cash and cash equivalents subject to such Liens may at
              no time exceed $25,000,000;

                      (i)  Liens for current taxes, assessments and
              other governmental charges not yet due and payable or being
              contested in good faith and as to which adequate reserves
              in accordance with generally accepted accounting principles
              have been established;

                      (j)  mechanics, materialmen's, carrier's,
              warehousemen's or similar liens for sums not yet due and
              owing or being contested in good faith and as to which
              adequate reserves in accordance with generally accepted
              accounting principles have been established;

                      (k)  Liens created in connection with Permitted
              Securitization Transactions; provided that, except for the
              assets transferred pursuant to Permitted Receivables Dispo-
              sitions made in connection with such Permitted Securitiza-
              tion Transactions, no such Lien may extend to any assets of
              the Company or any Subsidiary of the Company that is not a
              Bankruptcy Remote Subsidiary; and

                      (l)  Liens not otherwise permitted by the forego-
              ing clauses of this Section securing Debt in an aggregate
              principal or face amount at any date not to exceed 10% of
              Consolidated Net Worth.

                      SECTION 5.10.  Debt to Total Capital.  The ratio
             of Consolidated Debt to Total Capital shall not exceed
             during any period set forth below the applicable ratio set
             forth below for such period.

              Period                                            Ratio

              Closing Date to December 30, 1996                 72%

              December 31, 1996 - December 30, 1997             70%

              December 31, 1997 - December 30, 1998             65%

              December 31, 1998 - December 30, 1999             57%

              December 31, 1999 and thereafter                  50%

                      SECTION 5.11.  Debt of Subsidiaries.  Total Debt
             of all Subsidiaries (excluding Debt (i) of a Subsidiary to
             the Company, (ii) of a Subsidiary to a wholly owned Subsid-
             iary or (iii) of an Eligible Subsidiary under this Agree-
             ment) will at no time exceed $75,000,000.  For purposes of
             this Section any preferred stock of a Consolidated Subsid-
             iary held by a Person other than the Company or a Wholly-
             Owned Consolidated Subsidiary shall be included, at the
             higher of its voluntary or involuntary liquidation value, in
             "Consolidated Debt" and in the "Debt" of such Consolidated
             Subsidiary.

                      SECTION 5.12.  Interest Coverage Ratio.  As of the
             last day of each fiscal quarter of the Company ending during
             each period set forth below, the Interest Coverage Ratio at
             such last day will not be less than the ratio set forth
             below opposite such period:

              Period                                            Ratio

              Quarter ending December 31, 1996 through quarter  3.00
               ending June 30, 1997                             to
                                                                1.00



              Quarter ending September 30, 1997 through quar-   3.25
              ter ending December 31, 1997                      to
                                                                1.00

              Quarter ending March 31, 1998 through quarter     3.50
               ending September 30, 1998                        to
                                                                1.00

              Quarter ending December 31, 1998 and all quar-    4.00
              ters thereafter                                   to
                                                                1.00

                      SECTION 5.13.  Minimum Consolidated Net Worth. 
             Consolidated Net Worth will at no time be less than an
             amount equal to the sum of (i) $270,000,000 plus (ii) an
             amount equal to 25% of Consolidated Net Income for each
             fiscal quarter of the Company ending after June 30, 1996 and
             on or prior to the date of determination, in each case, for
             which Consolidated Net Income is positive (but with no
             deduction on account of negative Consolidated Net Income for
             any fiscal quarter of the Company) plus (iii) 50% of the
             aggregate net proceeds, including the fair market value of
             property other than cash (as determined in good faith by the
             Board of Directors of the Company), received by the Company
             from the issuance and sale after the date hereof of any
             capital stock of the Company (other than the proceeds of any
             issuance and sale of any capital stock (x) to a Subsidiary
             of the Company or (y) which is required to be redeemed, or
             is redeemable at the option of the holder, at any time) or
             in connection with the conversion or exchange of any Debt of
             the Company into capital stock of the Company after December
             31, 1995 (such sum being the "Minimum Permissible Consoli-
             dated Net Worth"); provided that the Minimum Permissible
             Consolidated Net Worth shall be reduced by an amount not to
             exceed $15,000,000 for the after-tax effect of restructuring
             charges actually taken by the Company in relation to its
             acquisition of the Dearborn Business.

                      SECTION 5.14.  Sale-Leaseback Transactions. 
             Neither any Borrower nor any of their respective Subsidiar-
             ies will engage in any Sale-Leaseback Transaction unless
             such Borrower or such Subsidiary would be entitled, pursuant
             to the provisions of Section 5.9, to incur Debt with a
             principal amount equal to or exceeding the Value of such
             Sale-Leaseback Transaction secured by a Lien on the property
             to be leased (after giving similar effect to all other
             Sale-Leaseback Transactions in effect at such time).  For
             purposes of this Section, "Value" means, with respect to a
             Sale-Leaseback Transaction, at any time, the amount equal to
             the greater of (i) the net proceeds of the sale or transfer
             of the property leased pursuant to such Sale-Leaseback
             Transaction and (ii) the fair value in the opinion of the
             Board of Directors of the Company of such property at the
             time of entering into such Sale-Leaseback Transaction, in
             either case divided first by the number of full years of the
             term of the lease and then multiplied by the number of full
             years of such term remaining at the time of determination,
             without regard to any renewal or extension options contained
             in the lease.

                      SECTION 5.15.  Transactions with Affiliates.  No
             Borrower will, nor will it permit any of its Subsidiaries
             to, directly or indirectly, pay any funds to or for the
             account of, make any investment (whether by acquisition of
             stock or indebtedness, by loan, advance, transfer of proper-
             ty, guarantee or other agreement to pay, purchase or ser-
             vice, directly or indirectly, any Debt, or otherwise) in,
             lease, sell, transfer or otherwise dispose of any assets,
             tangible or intangible, to, or participate in, or effect,
             any transaction with, any Affiliate except on an arms-length
             basis on terms at least as favorable to such Borrower or
             such Subsidiary as could have been obtained from a third
             party who was not an Affiliate; provided that the foregoing
             provisions of this Section shall not prohibit any such
             Person from declaring or paying any lawful dividend or other
             payment ratably in respect of all of its capital stock, from
             paying reasonable compensation to its directors and officers
             or from entering into other transactions that the Company
             determines are in its best interests and having a cost to
             such Person not in excess of $5,000,000.

                                      ARTICLE 6

                                       DEFAULTS

                      SECTION 6.1.  Events of Default.  If one or more
             of the following events ("Events of Default") shall have
             occurred and be continuing:

                      (a) (i) any drawing under the Letter of Credit
              shall fail to be reimbursed when required hereunder or any
              principal of any Loan shall fail to be paid when due or
              (ii) any interest, any fees or any other amount payable
              hereunder shall fail to be paid within five days after the
              due date thereof;

                      (b) any Borrower shall fail to observe or perform
              any covenant contained in Article 5, other than those
              contained in Sections 5.1.A through 5.6 and 5.9;

                      (c) any Borrower shall fail to observe or perform
              any covenant contained in Section 5.9 for 30 days after
              such Borrower shall have obtained knowledge thereof;

                      (d) any Borrower shall fail to observe or perform
              any covenant or agreement contained in this Agreement
              (other than those covered by clause (a), (b) or (c) above)
              for 30 days after notice thereof has been given to the
              Company by the Agent at the request of any Bank;

                      (e)  any representation, warranty, certification
              or statement made by any Borrower in this Agreement or in
              any certificate, financial statement or other document
              delivered pursuant to this Agreement shall prove to have
              been incorrect in any material respect when made (or deemed
              made);

                      (f)  any Borrower or any Subsidiary shall fail to
              make any payment in respect of any Material Financial
              Obligations when due or within any applicable grace period;

                      (g)  any event or condition shall occur which
              results in the acceleration of the maturity of any Material
              Debt or enables (with the giving of notice of acceleration,
              if required) the holder of such Debt or any Person acting
              on such holder's behalf to accelerate the maturity thereof;

                      (h)  any Borrower or any Material Subsidiary shall
              commence a voluntary case or other proceeding seeking
              liquidation, reorganization or other relief with respect to
              itself or its debts under any bankruptcy, insolvency or
              other similar law now or hereafter in effect or seeking the
              appointment of a trustee, receiver, liquidator, custodian
              or other similar official of it or any substantial part of
              its property, or shall consent to any such relief or to the
              appointment of or taking possession by any such official in
              an involuntary case or other proceeding commenced against
              it, or shall make a general assignment for the benefit of
              creditors, or shall fail generally to pay its debts as they
              become due, or shall take any corporate action to authorize
              any of the foregoing;

                      (i)  an involuntary case or other proceeding shall
              be commenced against any Borrower or any Material Subsid-
              iary seeking liquidation, reorganization or other relief
              with respect to it or its debts under any bankruptcy,
              insolvency or other similar law now or hereafter in effect
              or seeking the appointment of a trustee, receiver, liquida-
              tor, custodian or other similar official of it or any
              substantial part of its property, and such involuntary case
              or other proceeding shall remain undismissed and unstayed
              for a period of 60 days; or an order for relief shall be
              entered against any Borrower or any Material Subsidiary
              under the federal bankruptcy laws as now or hereafter in
              effect;

                      (j)  any member of the ERISA Group shall fail to
              pay when due an amount or amounts aggregating in excess of
              $5,000,000 which it shall have become liable to pay under
              Title IV of ERISA; or notice of intent to terminate a
              Material Plan shall be filed under Title IV of ERISA by any
              member of the ERISA Group, any plan administrator or any
              combination of the foregoing; or the PBGC shall institute
              proceedings under Title IV of ERISA to terminate, to impose
              liability (other than for premiums under Section 4007 of
              ERISA) in respect of, or to cause a trustee to be appointed
              to administer any Material Plan; or a condition shall exist
              by reason of which the PBGC would be entitled to obtain a
              decree adjudicating that any Material Plan must be termi-
              nated; or there shall occur a complete or partial withdraw-
              al from, or a default, within the meaning of Section
              4219(c)(5) of ERISA, with respect to, one or more
              Multiemployer Plans which causes one or more members of the
              ERISA Group to incur a current payment obligation in excess
              of $5,000,000 in the aggregate that is not paid when due;

                      (k)  judgments or orders for the payment of money
              in excess of $5,000,000 in the aggregate shall be rendered
              against any Borrower or any Material Subsidiary and such
              judgments or orders shall continue unsatisfied and unstayed
              for a period of 30 days;

                      (l)  any person or group of persons (within the
              meaning of Section 13 or 14 of the Securities Exchange Act
              of 1934, as amended) shall have acquired beneficial owner-
              ship (within the meaning of Rule 13d-3 promulgated by the
              Securities and Exchange Commission under said Act) of 35%
              or more of the outstanding shares of common stock of the
              Company; or, during any period of 12 consecutive calendar
              months, individuals who were directors of the Company on
              the first day of such period shall cease to constitute a
              majority of the board of directors of the Company; or

                      (m)  any of the obligations of the Company under
              Article 10 of this Agreement shall for any reason not be
              enforceable against the Company in accordance with their
              terms, or the Company shall so assert in writing;

             then, and in every such event, the Agent shall (i) if re-
             quested by the Required Banks, by notice to the Borrowers
             terminate the Commitments and they shall thereupon termi-
             nate, and (ii) if requested by the Required Banks, by notice
             to the Borrowers declare the Loans and the Letter of Credit
             Liabilities (together with accrued interest thereon) to be,
             and the Loans and Letter of Credit Liabilities shall there-
             upon become, immediately due and payable without present-
             ment, demand, protest or other notice of any kind, all of
             which are hereby waived by each Borrower; provided that in
             the case of any of the Events of Default specified in clause
             6.1(h) or 6.1(i) with respect to any Borrower, without any
             notice to any Borrower or any other act by the Agent or the
             Banks, the Commitments shall thereupon terminate and the
             Loans and the Letter of Credit Liabilities (together with
             accrued interest thereon) shall become immediately due and
             payable without presentment, demand, protest or other notice
             of any kind, all of which are hereby waived by each Borrow-
             er.  

                      SECTION 6.2.  Notice of Default.  The Agent shall
             give notice to the Borrowers under Section 6.1(d) promptly
             upon being requested to do so by any Bank and shall thereup-
             on notify all the Banks thereof.

                      SECTION 6.3.  Cash Cover.  The Company agrees, in
             addition to the provisions of Section 6.1 hereof, that upon
             the occurrence and during the continuance of any Event of
             Default, it shall, if requested by the Agent upon the in-
             struction of the Required Banks, pay to the Agent an amount
             in immediately available funds (which funds shall be held as
             collateral pursuant to arrangements satisfactory to the
             Agent) equal to the aggregate amount available for drawing
             under the Letter of Credit, provided that, upon the occur-
             rence of any Event of Default specified in Section 6.1(h) or
             6.1(i) with respect to any Borrower, the Company shall pay
             such amount forthwith without any notice or demand or any
             other act by the Agent or the Banks.

                                      ARTICLE 7

                                      THE AGENT

                      SECTION 7.1.  Appointment and Authorization.  Each
             Bank irrevocably appoints and authorizes the Agent to take
             such action as agent on its behalf and to exercise such
             powers under this Agreement, the Letter of Credit and the
             Notes as are delegated to the Agent by the terms hereof or
             thereof, together with all such powers as are reasonably
             incidental thereto.  

                      SECTION 7.2.  Agent and Affiliates.  Morgan Guar-
             anty Trust Company of New York shall have the same rights
             and powers under this Agreement as any other Bank and may
             exercise or refrain from exercising the same as though it
             were not the Agent, and Morgan Guaranty Trust Company of New
             York and its affiliates may accept deposits from, lend money
             to, and generally engage in any kind of business with any
             Borrower or any Subsidiary or Affiliate of any Borrower as
             if it were not the Agent.  

                      SECTION 7.3.  Action by Agent.  The obligations of
             the Agent hereunder are only those expressly set forth
             herein.  Without limiting the generality of the foregoing,
             the Agent shall not be required to take any action with
             respect to any Default, except as expressly provided in
             Article 6.  

                      SECTION 7.4.  Consultation with Experts.  The
             Agent may consult with legal counsel (who may be counsel for
             any Borrower), independent public accountants and other
             experts selected by it and shall not be liable for any
             action taken or omitted to be taken by it in good faith in
             accordance with the advice of such counsel, accountants or
             experts.  

                      SECTION 7.5.  Liability of Agent.  Neither the
             Agent nor any of its affiliates nor any of their respective
             directors, officers, agents or employees shall be liable for
             any action taken or not taken by it in connection herewith
             (i) with the consent or at the request of the Required Banks
             (or, when expressly required hereby, all the Banks) or (ii)
             in the absence of its own gross negligence or willful mis-
             conduct.  Neither the Agent nor any of its affiliates nor
             any of their respective directors, officers, agents or
             employees shall be responsible for or have any duty to
             ascertain, inquire into or verify (i) any statement, warran-
             ty or representation made in connection with this Agreement
             or any borrowing hereunder; (ii) the performance or obser-
             vance of any of the covenants or agreements of any Borrower;
             (iii) the satisfaction of any condition specified in Article
             3, except receipt of items required to be delivered to the
             Agent; or (iv) the validity, effectiveness or genuineness of
             this Agreement, the Letter of Credit, the Notes or any other
             instrument or writing furnished in connection herewith.  The
             Agent shall not incur any liability by acting in reliance
             upon any notice, consent, certificate, statement, or other
             writing (which may be a bank wire, telex, facsimile trans-
             mission or similar writing) believed by it to be genuine or
             to be signed by the proper party or parties.  

                      SECTION 7.6.  Indemnification.  Each Bank shall,
             ratably in accordance with its Commitment, indemnify the
             Agent, its affiliates and their respective directors, offi-
             cers, agents and employees (to the extent not reimbursed by
             the Borrowers) against any cost, expense (including reason-
             able counsel fees and disbursements), claim, demand, action,
             loss or liability (except such as result from such
             indemnitees' gross negligence or willful misconduct) that
             such indemnitees may suffer or incur in connection with this
             Agreement or any action taken or omitted by such indemnitees
             hereunder.  

                      SECTION 7.7.  Credit Decision.  Each Bank acknowl-
             edges that it has, independently and without reliance upon
             the Agent or any other Bank, and based on such documents and
             information as it has deemed appropriate, made its own
             credit analysis and decision to enter into this Agreement. 
             Each Bank also acknowledges that it will, independently and
             without reliance upon the Agent or any other Bank, and based
             on such documents and information as it shall deem appropri-
             ate at the time, continue to make its own credit decisions
             in taking or not taking any action under this Agreement.  

                      SECTION 7.8.  Successor Agent.  The Agent may
             resign at any time by giving notice thereof to the Banks and
             the Company.  Upon any such resignation, the Required Banks
             shall have the right to appoint a successor Agent, subject
             to the approval of the Company.  If no successor Agent shall
             have been so appointed by the Required Banks, and shall have
             accepted such appointment, within 30 days after the retiring
             Agent gives notice of resignation, then the retiring Agent
             may, on behalf of the Banks, appoint a successor Agent,
             which shall be a commercial bank organized or licensed under
             the laws of the United States of America or of any State
             thereof and having a combined capital and surplus of at
             least $50,000,000.  Upon the acceptance of its appointment
             as Agent hereunder by a successor Agent, such successor
             Agent shall thereupon succeed to and become vested with all
             the rights and duties of the retiring Agent, and the retir-
             ing Agent shall be discharged from its duties and obliga-
             tions hereunder.  After any retiring Agent's resignation
             hereunder as Agent, the provisions of this Article shall
             inure to its benefit as to any actions taken or omitted to
             be taken by it while it was Agent.  

                      SECTION 7.9.  Agent's Fee.  The Company shall pay,
             or shall cause Betz Canada to pay, to the Agent for its own
             account fees in the amounts and at the times previously
             agreed upon between the Company and the Agent.

                                      ARTICLE 8

                               CHANGE IN CIRCUMSTANCES

                      SECTION 8.1.  Basis for Determining Interest Rate
             Inadequate or Unfair.  If on or prior to the first day of
             any Interest Period for any CD Loan, Euro-Dollar Loan or
             Money Market LIBOR Loan:

                      (a)  the Agent is advised by the Reference Banks
              that deposits in dollars (in the applicable amounts) are
              not being offered to the Reference Banks in the relevant
              market for such Interest Period, or

                      (b)  in the case of CD Loans or Euro-Dollar Loans,
              Banks having 50% or more of the aggregate principal amount
              of the affected Loans advise the Agent that the Adjusted CD
              Rate or the London Interbank Offered Rate, as the case may
              be, as determined by the Agent will not adequately and
              fairly reflect the cost to such Banks of funding their CD


              Loans or Euro-Dollar Loans, as the case may be, for such
              Interest Period,

             the Agent shall forthwith give notice thereof to the Borrow-
             er and the Banks, whereupon until the Agent notifies the
             Borrower that the circumstances giving rise to such suspen-
             sion no longer exist, (i) the obligations of the Banks to
             make CD Loans or Euro-Dollar Loans, as the case may be, or
             to continue or convert outstanding Loans as or into CD Loans
             or Euro-Dollar Loans, as the case may be, shall be suspended
             and (ii) each outstanding CD Loan or Euro-Dollar Loan, as
             the case may be, shall be converted into a Base Rate Loan on
             the last day of the then current Interest Period applicable
             thereto.  Unless the Borrower notifies the Agent at least
             two Domestic Business Days before the date of any Fixed Rate
             Borrowing for which a Notice of Borrowing has previously
             been given that it elects not to borrow on such date, (i) if
             such Fixed Rate Borrowing is a Committed Borrowing, such
             Borrowing shall instead be made as a Base Rate Borrowing and
             (ii) if such Fixed Rate Borrowing is a Money Market LIBOR
             Borrowing, the Money Market LIBOR Loans comprising such
             Borrowing shall bear interest for each day from and includ-
             ing the first day to but excluding the last day of the
             Interest Period applicable thereto at the Base Rate for such
             day.  

                      SECTION 8.2.  Illegality.  If, on or after the
             date of this Agreement, the adoption of any applicable law,
             rule or regulation, or any change in any applicable law,
             rule or regulation, or any change in the interpretation or
             administration thereof by any governmental authority, cen-
             tral bank or comparable agency charged with the interpreta-
             tion or administration thereof, or compliance by any Bank
             (or its Euro-Dollar Lending Office) with any request or
             directive (whether or not having the force of law) of any
             such authority, central bank or comparable agency shall make
             it unlawful or impossible for any Bank (or its Euro-Dollar
             Lending Office) to make, maintain or fund its Euro-Dollar
             Loans to any Borrower and such Bank shall so notify the
             Agent, the Agent shall forthwith give notice thereof to the
             other Banks and the Borrower, whereupon until such Bank
             notifies the Borrower and the Agent that the circumstances
             giving rise to such suspension no longer exist, the obliga-
             tion of such Bank to make Euro-Dollar Loans to such Borrow-
             er, or to convert outstanding Loans into Euro-Dollar Loans,
             shall be suspended.  Before giving any notice to the Agent
             pursuant to this Section, such Bank shall designate a dif-
             ferent Euro-Dollar Lending Office if such designation will
             avoid the need for giving such notice and will not, in the
             judgment of such Bank, be otherwise disadvantageous to such
             Bank.  If such notice is given, each Euro-Dollar Loan of
             such Bank then outstanding shall be converted to a Base Rate
             Loan either (a) on the last day of the then current Interest
             Period applicable to such Euro-Dollar Loan if such Bank may
             lawfully continue to maintain and fund such Loan to such day
             or (b) immediately if such Bank shall determine that it may
             not lawfully continue to maintain and fund such Loan to such
             day.  

                      SECTION 8.3.  Increased Cost and Reduced Return. 
             (a)  If on or after (x) the date hereof, in the case of any
             Committed Loan or the Letter of Credit or any obligation to
             make Committed Loans or issue the Letter of Credit or (y)
             the date of the related Money Market Quote, in the case of
             any Money Market Loan, the adoption of any applicable law,
             rule or regulation, or any change in any applicable law,
             rule or regulation, or any change in the interpretation or
             administration thereof by any governmental authority, cen-
             tral bank or comparable agency charged with the interpreta-
             tion or administration thereof, or compliance by any Bank
             (or its Applicable Lending Office) with any request or
             directive (whether or not having the force of law) of any
             such authority, central bank or comparable agency shall
             impose, modify or deem applicable any reserve (including,
             without limitation, any such requirement imposed by the
             Board of Governors of the Federal Reserve System, but ex-
             cluding (i) with respect to any CD Loan any such requirement
             included in an applicable Domestic Reserve Percentage and
             (ii) with respect to any Euro-Dollar Loan any such require-
             ment with respect to which such Bank is entitled to compen-
             sation during the relevant Interest Period under Section
             2.16), special deposit, insurance assessment (excluding,
             with respect to any CD Loan, any such requirement reflected
             in an applicable Assessment Rate) or similar requirement
             against assets of, deposits with or for the account of, or
             credit extended by, any Bank (or its Applicable Lending
             Office) or shall impose on any Bank (or its Applicable
             Lending Office) or on the United States market for certifi-
             cates of deposit or the London interbank market any other
             condition affecting its Fixed Rate Loans, its Notes or its
             obligation to make Fixed Rate Loans or its obligations
             hereunder in respect of the Letter of Credit and the result
             of any of the foregoing is to increase the cost to such Bank
             (or its Applicable Lending Office) of making or maintaining
             any Fixed Rate Loan or of issuing the Letter of Credit, or
             to reduce the amount of any sum received or receivable by
             such Bank (or its Applicable Lending Office) under this
             Agreement or under its Notes with respect thereto, by an
             amount deemed by such Bank to be material, then, within 15
             days after demand by such Bank (with a copy to the Agent), 
             each Borrower shall pay to such Bank such additional amount
             or amounts as will compensate such Bank for the portion of
             such increased cost or reduction allocable to such Borrower.

                      (b)  If any Bank shall have determined that, after
             the date hereof, the adoption of any applicable law, rule or
             regulation regarding capital adequacy, or any change in any
             such law, rule or regulation, or any change in the interpre-
             tation or administration thereof by any governmental author-
             ity, central bank or comparable agency charged with the
             interpretation or administration thereof, or any request or
             directive regarding capital adequacy (whether or not having
             the force of law) of any such authority, central bank or
             comparable agency, has or would have the effect of reducing
             the rate of return on capital of such Bank (or its Parent)
             as a consequence of such Bank's obligations hereunder to a
             level below that which such Bank (or its Parent) could have
             achieved but for such adoption, change, request or directive
             (taking into consideration its policies with respect to
             capital adequacy) by an amount deemed by such Bank to be
             material, then from time to time, within 15 days after
             demand by such Bank (with a copy to the Agent), each Borrow-
             er shall pay to such Bank the portion allocable to such
             Borrower of such additional amount or amounts as will com-
             pensate such Bank (or its Parent) for such reduction.

                      (c)  Each Bank will promptly notify the Borrowers
             and the Agent of any event of which it has knowledge, occur-
             ring after the date hereof, which will entitle such Bank to
             compensation pursuant to this Section and will designate a
             different Lending Office if such designation will avoid the
             need for, or reduce the amount of, such compensation and
             will not, in the judgment of such Bank, be otherwise disad-
             vantageous to such Bank.  A certificate of any Bank claiming
             compensation under this Section and setting forth the addi-
             tional amount or amounts (and the calculation thereof) to be
             paid to it hereunder shall be conclusive in the absence of
             manifest error.  In determining such amount, such Bank may
             use any reasonable averaging and attribution methods.  

                      SECTION 8.4.  Taxes.  (a) For the purposes of this
             Section 8.4, the following terms have the following mean-
             ings:

                      "Taxes" means any and all present or future taxes,
             duties, levies, imposts, deductions, charges or withholdings
             with respect to any payment by any Borrower pursuant to this
             Agreement or under any Note, and all liabilities with re-
             spect thereto, excluding (i) in the case of each Bank and
             the Agent, taxes imposed on its income, and franchise or
             similar taxes imposed on it, by a jurisdiction under the
             laws of which such Bank or the Agent (as the case may be) is
             organized or in which its principal executive office is
             located or by any other jurisdiction imposing such taxes by
             reason of any connection between such jurisdiction and such
             Bank or the Agent (as the case may be) other than a connec-
             tion arising solely from this Agreement or, in the case of
             each Bank, in which its Applicable Lending Office is located
             and (ii) in the case of each Bank, any United States with-
             holding tax imposed on such payments but only to the extent
             that payments to such Bank hereunder are subject to United
             States withholding tax at the time such Bank first becomes a
             party to this Agreement.

                      "Other Taxes" means any present or future stamp or
             documentary taxes and any other excise or property taxes, or
             similar charges or levies, which arise from any payment made
             pursuant to this Agreement or under any Note or from the
             execution or delivery of, or otherwise with respect to, this
             Agreement, any Note or the Letter of Credit.

                      (b)  Any and all payments by any Borrower to or
             for the account of any Bank or the Agent hereunder or under
             any Note shall be made without deduction for any Taxes or
             Other Taxes; provided that, if any Borrower shall be re-
             quired by law to deduct any Taxes or Other Taxes from any
             such payments, (i) the sum payable shall be increased as
             necessary so that after making all required deductions
             (including deductions applicable to additional sums payable
             under this Section) such Bank or the Agent (as the case may
             be) receives an amount equal to the sum it would have re-
             ceived had no such deductions been made, (ii) such Borrower
             shall make such deductions, (iii) such Borrower shall pay
             the full amount deducted to the relevant taxation authority
             or other authority in accordance with applicable law and
             (iv) such Borrower shall furnish to the Agent, at its ad-
             dress referred to in Section 11.1, the original or a certi-
             fied copy of a receipt evidencing payment thereof.

                      (c)  Each Borrower agrees to indemnify each Bank
             and the Agent for the full amount of Taxes or Other Taxes
             (including, without limitation, any Taxes or Other Taxes
             imposed or asserted by any jurisdiction on amounts payable
             under this Section) paid by such Bank or the Agent (as the
             case may be) and any liability (including penalties, inter-
             est and expenses) arising therefrom or with respect thereto
             to the extent allocable to such Borrower.  Each Bank will
             promptly notify the Borrowers and the Agent of any event of
             which it has knowledge, occurring after the date hereof,
             which will entitle such Bank to compensation pursuant to
             this Section.  A certificate of any Bank claiming compensa-
             tion under this Section and setting forth the additional
             amount or amounts to be paid to it and the calculation
             thereof hereunder shall be conclusive in the absence of
             manifest error.  Such amount(s) shall be paid within 15 days
             after such Bank or the Agent (as the case may be) makes
             demand therefor.

                      (d)  Each Bank organized under the laws of a
             jurisdiction outside the United States, on or prior to the
             date of its execution and delivery of this Agreement in the
             case of each Bank listed on the signature pages hereof and
             on or prior to the date on which it becomes a Bank in the
             case of each other Bank, and from time to time thereafter if
             requested in writing by the Borrowers (but only so long as
             such Bank remains lawfully able to do so), shall provide the
             Borrowers and the Agent with Internal Revenue Service form
             1001 or 4224, as appropriate, or any successor form pre-
             scribed by the Internal Revenue Service, certifying that
             such Bank is entitled to benefits under an income tax treaty
             to which the United States is a party which exempts the Bank
             from United States withholding tax or reduces the rate of
             withholding tax on payments of interest for the account of
             such Bank or certifying that the income receivable pursuant
             to this Agreement is effectively connected with the conduct
             of a trade or business in the United States.

                      (e)  For any period with respect to which a Bank
             has failed to provide the Borrowers or the Agent with the
             appropriate form pursuant to Section 8.4(d) (unless such
             failure is due to a change in treaty, law or regulation
             occurring subsequent to the date on which such form origi-
             nally was required to be provided), such Bank shall not be
             entitled to indemnification under Section 8.4(b) or (c) with
             respect to Taxes imposed by the United States; provided that
             if a Bank, which is otherwise exempt from or subject to a
             reduced rate of withholding tax, becomes subject to Taxes
             because of its failure to deliver a form required hereunder,
             the Borrowers shall take such steps as such Bank shall
             reasonably request to assist such Bank to recover such
             Taxes.

                      (f)  If any Borrower is required to pay additional
             amounts to or for the account of any Bank pursuant to this
             Section, then such Bank will change the jurisdiction of its
             Applicable Lending Office if, in the judgment of such Bank,
             such change (i) will eliminate or reduce any such additional
             payment which may thereafter accrue and (ii) is not other-
             wise disadvantageous to such Bank.  

                      SECTION 8.5.  Base Rate Loans Substituted for
             Affected Fixed Rate Loans.  If (i) the obligation of any
             Bank to make, or convert outstanding Loans to, Euro-Dollar
             Loans to any Borrower has been suspended pursuant to Section
             8.2 or (ii) any Bank has demanded compensation under Section
             8.3 or 8.4 with respect to its CD Loans or Euro-Dollar Loans
             and the Borrower shall, by at least five Euro-Dollar Busi-
             ness Days' prior notice to such Bank through the Agent, have
             elected that the provisions of this Section shall apply to
             such Bank, then, unless and until such Bank notifies the
             Borrower that the circumstances giving rise to such suspen-
             sion or demand for compensation no longer exist:

                      (a)  all Loans to such Borrower which would other-
              wise be made by such Bank as (or continued as or converted
              into) CD Loans or Euro-Dollar Loans, as the case may be,
              shall instead be Base Rate Loans (on which interest and
              principal shall be payable contemporaneously with the
              related Fixed Rate Loans of the other Banks); and

                      (b)  after each of its CD Loans or Euro-Dollar
              Loans, as the case may be, to such Borrower has been repaid
              (or converted to a Base Rate Loan), all payments of princi-
              pal which would otherwise be applied to repay such Fixed
              Rate Loans shall be applied to repay its Base Rate Loans
              instead.

             If such Bank notifies the Borrower that the circumstances
             giving rise to such notice no longer apply, the principal
             amount of each such Base Rate Loan shall be converted into a
             CD Loan or Euro-Dollar Loan, as the case may be, on the
             first day of the next succeeding Interest Period applicable
             to the related CD Loans or Euro-Dollar Loans of the other
             Banks.  

                      SECTION 8.6.  Substitution of Bank.  If (i) the
             obligation of any Bank to make Euro-Dollar Loans has been
             suspended pursuant to Section 8.2 or (ii) any Bank has
             demanded compensation under Section 8.3 or 8.4, the Company
             shall have the right, with the assistance of the Agent, to
             seek a mutually satisfactory substitute bank or banks (which
             may be one or more of the Banks) to purchase the Notes,
             assume such Bank's obligations under the Letter of Credit
             and assume the Commitment of such Bank, all in accordance
             with Section 11.6(c).

                      SECTION 8.7.  Allocations.  The respective por-
             tions allocable to particular Borrowers of any amount pay-
             able pursuant to Section 8.3 or 8.4 shall be as determined
             by the Company and notified by it to the Bank demanding such
             payment.  The Company shall itself be unconditionally obli-
             gated for payment of any such amount if and to the extent
             (i) it fails to allocate to particular Borrowers the full
             amount payable within 15 days of demand for payment thereof
             or (ii) any particular Borrower disputes the amount so
             allocated to it.


                                      ARTICLE 9

                            REPRESENTATIONS AND WARRANTIES
                               OF ELIGIBLE SUBSIDIARIES

                      On the Closing Date, Betz Canada represents and
             warrants that, and by the execution and delivery by each
             other Eligible Subsidiary of its Election to Participate,
             such Eligible Subsidiary shall be deemed to have represented
             and warranted as of the date thereof that:

                      SECTION 9.1.  Corporate Existence and Power.  It
             is a corporation duly incorporated, validly existing and in
             good standing under the laws of its jurisdiction of incorpo-
             ration and is an Eighty Percent-Owned Consolidated Subsid-
             iary of the Company.

                      SECTION 9.2.  Corporate and Governmental Authori-
             zation; Contravention.  The execution and delivery by it of
             this Agreement or its Election to Participate and its Notes,
             and the performance by it of this Agreement and its Notes,
             are within its corporate powers, have been duly authorized
             by all necessary corporate action, require no action by or
             in respect of, or filing with, any governmental body, agency
             or official and do not contravene, or constitute a default
             under, any provision of applicable law or regulation or of
             its certificate or incorporation or by-laws or of any agree-
             ment, judgment, injunction, order, decree or other instru-
             ment binding upon the Company or such Eligible Subsidiary or
             result in the creation or imposition of any Lien on any
             asset of the Company or any of its Subsidiaries.

                      SECTION 9.3.  Binding Effect.  This Agreement or
             its Election to Participate has been duly executed by such
             Eligible Subsidiary and this Agreement constitutes a valid
             and binding agreement of such Eligible Subsidiary and each
             of its Notes, when executed and delivered in accordance with
             this Agreement, will constitute a valid and binding obliga-
             tion of such Eligible Subsidiary, in each case enforceable
             in accordance with its terms.

                      SECTION 9.4.  Taxes.  Except as disclosed in the
             opinion of counsel delivered pursuant to Section 3.1(c) of
             this Agreement or in its Election to Participate, there is
             no income, stamp or other tax of any country, or any taxing
             authority thereof or therein, imposed by or in the nature of
             withholding or otherwise, which is imposed on any payment to
             be made by such Eligible Subsidiary pursuant hereto or on
             its Notes, or imposed on or by virtue of the execution,
             delivery or enforcement of this Agreement, its Election to
             Participate or of its Notes.


                                      ARTICLE 10

                                       GUARANTY

                      SECTION 10.1.  The Guaranty.  The Company hereby
             unconditionally guarantees the full and punctual payment
             (whether at stated maturity, upon acceleration or otherwise)
             of the principal of and interest on each Note issued by any
             Eligible Subsidiary pursuant to this Agreement, and the full
             and punctual payment of all other amounts payable by any
             Eligible Subsidiary under this Agreement.  Upon failure by
             any Eligible Subsidiary to pay punctually any such amount,
             the Company shall forthwith on demand pay the amount not so
             paid at the place and in the manner specified in this Agree-
             ment.

                      SECTION 10.2.  Guaranty Unconditional.  The obli-
             gations of the Company hereunder shall be unconditional and
             absolute and, without limiting the generality of the forego-
             ing, shall not be released, discharged or otherwise affected
             by:

                      (i)  any extension, renewal, settlement, compro-
              mise, waiver or release in respect of any obligation of any
              Eligible Subsidiary under this Agreement or any Note, by
              operation of law or otherwise;

                      (ii)  any modification or amendment of or supple-
              ment to this Agreement or any Note;

                     (iii)  any release, impairment, non-perfection or
              invalidity of any direct or indirect security for any
              obligation of any Eligible Subsidiary under this Agreement
              or any Note;

                      (iv)  any change in the existence, structure or
              ownership of any Eligible Subsidiary, or any insolvency,
              bankruptcy, reorganization or other similar proceeding
              affecting any Eligible Subsidiary or its assets or any
              resulting release or discharge of any obligation of any
              Eligible Subsidiary contained in this Agreement or any
              Note;

                       (v)  the existence of any claim, set-off or other
              rights which the Company may have at any time against any
              Eligible Subsidiary, the Agent, any Bank or any other
              Person, whether in connection herewith or any unrelated
              transactions, provided that nothing herein shall prevent
              the assertion of any such claim by separate suit or compul-
              sory counterclaim;

                      (vi)  any invalidity or unenforceability relating
              to or against any Eligible Subsidiary for any reason of
              this Agreement or any Note, or any provision of applicable
              law or regulation purporting to prohibit the payment by any
              Eligible Subsidiary of the principal of or interest on any
              Note or any other amount payable by it under this Agree-
              ment; or

                     (vii)  any other act or omission to act or delay of
              any kind by any Eligible Subsidiary, the Agent, any Bank or
              any other Person or any other circumstance whatsoever which
              might, but for the provisions of this paragraph, constitute
              a legal or equitable discharge of or defense to the
              Company's obligations hereunder.

                      SECTION 10.3.  Discharge Only Upon Payment In
             Full; Reinstatement In Certain Circumstances.  The Company's
             obligations hereunder shall remain in full force and effect
             until the Commitments shall have terminated and the princi-
             pal of and interest on the Notes and all other amounts
             payable by the Company and each Eligible Subsidiary under
             this Agreement shall have been paid in full.  If at any time
             any payment of principal of or interest on any Note or any
             other amount payable by any Eligible Subsidiary under this
             Agreement is rescinded or must be otherwise restored or
             returned upon the insolvency, bankruptcy or reorganization
             of any Eligible Subsidiary or otherwise, the Company's
             obligations hereunder with respect to such payment shall be
             reinstated at such time as though such payment had been due
             but not made at such time.

                      SECTION 10.4.  Waiver by the Company.  The Company
             irrevocably waives acceptance hereof, presentment, demand,
             protest and any notice not provided for herein, as well as
             any requirement that at any time any action be taken by any
             Person against any Eligible Subsidiary or any other Person.

                      SECTION 10.5.  Subrogation.  The Company irrevoca-
             bly waives any and all rights to which it may be entitled,
             by operation of law or otherwise, upon making any payment
             hereunder to be subrogated to the rights of the payee
             against an Eligible Subsidiary with respect to such payment
             or against any direct or indirect security therefor, or
             otherwise to be reimbursed, indemnified or exonerated by or
             for the account of an Eligible Subsidiary in respect there-
             of.

                      SECTION 10.6.  Stay of Acceleration.  In the event
             that acceleration of the time for payment of any amount
             payable by any Eligible Subsidiary under this Agreement or
             its Notes is stayed upon insolvency, bankruptcy or reorgani-
             zation of such Eligible Subsidiary, all such amounts other-
             wise subject to acceleration under the terms of this Agree-
             ment shall nonetheless be payable by the Company hereunder
             forthwith on demand by the Agent made at the request of the
             Required Banks.

                      SECTION 10.7.  Continuing Guaranty.  This guaranty
             is a continuing one and all liabilities to which it applies
             or may apply shall be conclusively presumed to have been
             created in reliance hereon.

                                      ARTICLE 11

                                    MISCELLANEOUS

                      SECTION 11.1.  Notices.  All notices, requests and
             other communications to any party hereunder shall be in
             writing (including bank wire, telex, facsimile transmission
             or similar writing) and shall be given to such party:  (a)
             in the case of the Company or the Agent, at its address,
             facsimile number or telex number set forth on the signature
             pages hereof, (b) in the case of any Bank, at its address,
             facsimile number or telex number set forth in its Adminis-
             trative Questionnaire or (c) in the case of any party, such
             other address, facsimile number or telex number as such
             party may hereafter specify for the purpose by notice to the
             Agent and the Company.  Each such notice, request or other
             communication shall be effective (i) if given by telex, when
             such telex is transmitted to the telex number specified in
             this Section and the appropriate answerback is received,
             (ii) if given by facsimile transmission, when transmitted to
             the facsimile number specified in this Section and confirma-
             tion of receipt is received, (iii) if given by mail, 72
             hours after such communication is deposited in the mail with
             first class postage prepaid, addressed as aforesaid or (iv)
             if given by any other means, when delivered at the address
             specified in this Section; provided that notices to the
             Agent under Article 2 or Article 8 shall not be effective
             until received.  Any notice required to be given to or by
             any Eligible Subsidiary shall be duly given if given to or
             by the Company, which is hereby appointed the agent of each
             Eligible Subsidiary for such purpose.

                      SECTION 11.2.  No Waivers.  No failure or delay by
             the Agent or any Bank in exercising any right, power or
             privilege hereunder or under any Note shall operate as a
             waiver thereof nor shall any single or partial exercise
             thereof preclude any other or further exercise thereof or
             the exercise of any other right, power or privilege.  The
             rights and remedies herein provided shall be cumulative and
             not exclusive of any rights or remedies provided by law.  

                      SECTION 11.3.  Expenses; Indemnification. 
             (a)  The Company shall pay (i) all reasonable out-of-pocket
             expenses of the Agent, including reasonable fees and dis-
             bursements of special counsel for the Agent, in connection
             with the preparation and administration of this Agreement,
             any waiver or consent hereunder or any amendment hereof or
             any Default or alleged Default hereunder and (ii) if an
             Event of Default occurs, all reasonable out-of-pocket ex-
             penses reasonably incurred by the Agent and each Bank,
             including (without duplication) the reasonable fees and
             disbursements of outside counsel and allocated cost of
             inside counsel, in connection with such Event of Default and
             "work-out", collection, bankruptcy, insolvency and other
             enforcement proceedings resulting therefrom. 

                      (b)  The Company agrees to indemnify the Agent and
             each Bank, their respective affiliates and the respective
             directors, officers, agents and employees of the foregoing
             (each an "Indemnitee") and hold each Indemnitee harmless
             from and against any and all liabilities, losses, damages,
             costs and expenses of any kind, including, without limita-
             tion, the reasonable fees and disbursements of counsel,
             which may be incurred by such Indemnitee in connection with
             any investigative, administrative or judicial proceeding
             (whether or not such Indemnitee shall be designated a party
             thereto) brought or threatened relating to or arising out of
             this Agreement or any actual or proposed use of proceeds of
             Loans or of the Letter of Credit hereunder; provided that no
             Indemnitee shall have the right to be indemnified hereunder
             for such Indemnitee's own gross negligence or willful mis-
             conduct as determined by a court of competent jurisdiction.

                      (c)  None of the Banks nor the Agent nor any of
             their officers or directors or employees or agents shall be
             liable or responsible, by reason of or in connection with
             the execution and delivery or transfer of or payment or
             failure to pay under the Letter of Credit, including without
             limitation any of the circumstances enumerated in subsection
             2.19(e), as well as (i) any error, omission, interruption or
             delay in transmission or delivery of any messages, by mail,
             cable, telegraph, telex or otherwise, (ii) any error in
             interpretation of technical terms, (iii) any loss or delay
             in the transmission of any document required in order to
             make a drawing under the Letter of Credit, (iv) any conse-
             quences arising from causes beyond the control of the Agent
             and the Banks, including without limitation any government
             acts, or any other circumstances whatsoever in making or
             failing to make payment under the Letter of Credit; provided
             that the Company shall not be required to indemnify the
             Agent or any Bank for any claims, damages, losses, liabili-
             ties, costs or expenses, and the Company shall have a claim
             for direct (but not consequential) damage suffered by it, to
             the extent found by a court of competent jurisdiction to
             have been caused by (x) the willful misconduct or gross
             negligence of the Agent in determining whether a request
             presented under the Letter of Credit strictly complied with
             the terms of such Letter of Credit or (y) such Bank's fail-
             ure to pay under the Letter of Credit after having received
             from the Agent a notification to pay pursuant to Section
             2.19(b).  Nothing in this subsection (c) is intended to
             limit the obligations of the Company under any other provi-
             sion of this Agreement.

                      SECTION 11.4.  Sharing of Set-Offs.  Each Bank
             agrees that if it shall, by exercising any right of set-off
             or counterclaim or otherwise, receive payment of a propor-
             tion of the aggregate amount of principal and interest then
             due and payable with respect to any Note held by it and any
             Letter of Credit Liabilities then due and payable which is
             greater than the proportion received by any other Bank in
             respect of the aggregate amount of principal and interest
             then due and payable with respect to any Note and Letter of
             Credit Liabilities held by such other Bank, the Bank receiv-
             ing such proportionately greater payment shall purchase such
             participations in the Notes and Letter of Credit Liabilities
             held by the other Banks, and such other adjustments shall be
             made, as may be required so that all such payments of prin-
             cipal and interest with respect to the Notes and Letter of
             Credit Liabilities held by the Banks shall be shared by the
             Banks pro rata; provided that nothing in this Section shall
             impair the right of any Bank to exercise any right of
             set-off or counterclaim it may have and to apply the amount
             subject to such exercise to the payment of indebtedness of a
             Borrower other than its indebtedness hereunder.  Each Bor-
             rower agrees, to the fullest extent it may effectively do so
             under applicable law, that any holder of a participation in
             a Note or Letter of Credit Liabilities, whether or not
             acquired pursuant to the foregoing arrangements, may exer-
             cise rights of set-off or counterclaim and other rights with
             respect to such participation as fully as if such holder of
             a participation were a direct creditor of such Borrower in
             the amount of such participation.  

                      SECTION 11.5.  Amendments and Waivers .  Any
             provision of this Agreement or the Notes may be amended or
             waived if, but only if, such amendment or waiver is in
             writing and is signed by the Company and the Required Banks
             (and, if the rights or duties of the Agent are affected
             thereby, by the Agent); provided that no such amendment or
             waiver shall, unless signed by all the Banks, (i) increase
             or decrease the Commitment of any Bank (except for a ratable
             decrease in the Commitments of all Banks) or subject any
             Bank to any additional obligation, (ii) reduce the principal
             of or rate of interest on any Loan or the amount to be
             reimbursed in respect of any Letter of Credit or any inter-
             est thereon or any fees hereunder, (iii) postpone the date
             fixed for any payment of principal of or interest on any
             Loan or the amount to be reimbursed in respect of any Letter
             of Credit or any interest thereon or any fees hereunder or
             for any scheduled reduction or termination of any Commitment
             or the expiry date of the Letter of Credit, (iv) change the
             aggregate amount by which or to which the Commitments are
             required to be reduced on or prior to the Commitment Reduc-
             tion Date, (v) release or reduce the Guarantee by the Compa-
             ny in Article 10 hereof or (vi) change the percentage of the
             Commitments or of the aggregate unpaid principal amount of
             the Notes and Letter of Credit Liabilities, or the number of
             Banks, which shall be required for the Banks or any of them
             to take any action under this Section or any other provision
             of this Agreement; provided further that no such amendment,
             waiver or modification shall, unless signed by each Eligible
             Subsidiary, (w) subject such Eligible Subsidiary to any
             additional obligation, (x) increase the principal of or rate
             of interest on any outstanding Loan of such Eligible Subsid-
             iary, (y) accelerate the stated maturity of any outstanding
             Loan of such Eligible Subsidiary or (z) change this proviso.

                      SECTION 11.6.  Successors and Assigns. (a)  The
             provisions of this Agreement shall be binding upon and inure
             to the benefit of the parties hereto and their respective
             successors and assigns, except that no Borrower may assign
             or otherwise transfer any of its rights under this Agreement
             without the prior written consent of all Banks.

                      (b)  Any Bank may at any time grant to one or more
             banks or other institutions (each a "Participant") partici-
             pating interests in its Commitment or any or all of its
             Loans and Letter of Credit Liabilities.  In the event of any
             such grant by a Bank of a participating interest to a Par-
             ticipant, whether or not upon notice to the Borrowers and
             the Agent, such Bank shall remain responsible for the per-
             formance of its obligations hereunder, and the Borrowers and
             the Agent shall continue to deal solely and directly with
             such Bank in connection with such Bank's rights and obliga-
             tions under this Agreement.  Any agreement pursuant to which
             any Bank may grant such a participating interest shall
             provide that such Bank shall retain the sole right and
             responsibility to enforce the obligations of the Borrowers
             hereunder including, without limitation, the right to ap-
             prove any amendment, modification or waiver of any provision
             of this Agreement; provided that such participation agree-
             ment may provide that such Bank will not agree to any modi-
             fication, amendment or waiver of this Agreement described in
             clause (i), (ii), (iii), or (iv) of Section 11.5 without the
             consent of the Participant.  The Borrowers agree that each
             Participant shall, to the extent provided in its participa-
             tion agreement, be entitled to the benefits of Section 2.16
             or Article 8 with respect to its participating interest.  An
             assignment or other transfer which is not permitted by
             subsection (c) or (d) below shall be given effect for pur-
             poses of this Agreement only to the extent of a participat-
             ing interest granted in accordance with this subsection (b).

                      (c)  Any Bank may at any time assign to one or
             more banks or other institutions (each an "Assignee") all,
             or a proportionate part (equivalent to an initial Commitment
             of not less than $10,000,000) of all, of its rights and
             obligations under this Agreement, the Letter of Credit and
             the Notes, and such Assignee shall assume such rights and
             obligations, pursuant to an Assignment and Assumption Agree-
             ment in substantially the form of Exhibit K hereto executed
             by such Assignee and such transferor Bank, with (and subject
             to) the subscribed consent of the Company, Betz Canada and
             the Agent, which shall not be unreasonably withheld; provid-
             ed that (i) if an Assignee is a wholly-owned subsidiary of
             such transferor Bank or of such transferor Bank's Parent or
             was a Bank immediately prior to such assignment, no such
             consent shall be required; (ii) such assignment may, but
             need not, include rights of the transferor Bank in respect
             of outstanding Money Market Loans; and (iii) until the
             Letter of Credit is no longer outstanding, such Assignee
             shall have long term debt ratings of at least A- from S&P
             and at least A3 from Moody's.  Upon execution and delivery
             of such instrument and payment by such Assignee to such
             transferor Bank of an amount equal to the purchase price
             agreed between such transferor Bank and such Assignee, such
             Assignee shall be a Bank party to this Agreement and shall
             have all the rights and obligations of a Bank with a Commit-
             ment as set forth in such instrument of assumption, and the
             transferor Bank shall be released from its obligations
             hereunder to a corresponding extent, and no further consent
             or action by any party shall be required.  Upon the consum-
             mation of any assignment pursuant to this subsection (c),
             the transferor Bank, the Agent and the Borrowers shall make
             appropriate arrangements so that, if required, new Notes are
             issued to the Assignee.  In connection with any such assign-
             ment, the transferor Bank shall pay to the Agent an adminis-
             trative fee for processing such assignment in the amount of
             $2,500.  If the Assignee is not incorporated under the laws
             of the United States of America or a state thereof, it shall
             deliver to the Company and the Agent certification as to
             exemption from deduction or withholding of any United States
             federal income taxes in accordance with Section 8.4.

                      (d)  Any Bank may at any time assign all or any
             portion of its rights under this Agreement and its Notes to
             a Federal Reserve Bank.  No such assignment shall release
             the transferor Bank from its obligations hereunder.

                      (e)  No Assignee, Participant or other transferee
             of any Bank's rights shall be entitled to receive any great-
             er payment under Section 8.3 or 8.4 than such Bank would
             have been entitled to receive with respect to the rights
             transferred, unless such transfer is made with the Company's
             prior written consent after disclosure of such Assignee's,
             Participant's or other transferee's intention to seek such
             greater payments or by reason of the provisions of Section
             8.2, 8.3 or 8.4 requiring such Bank to designate a different
             Applicable Lending Office under certain circumstances or at
             a time when the circumstances giving rise to such greater
             payment did not exist.  

                      SECTION 11.7.  Collateral.  Each of the Banks
             represents to the Agent and each of the other Banks that it
             in good faith is not relying upon any "margin stock" (as
             defined in Regulation U) as collateral in the extension or
             maintenance of the credit provided for in this Agreement.  

                      SECTION 11.8.  Governing Law; Submission to Juris-
             diction.  This Agreement and each Note shall be governed by
             and construed in accordance with the laws of the State of
             New York.  Each Borrower hereby submits to the nonexclusive
             jurisdiction of the United States District Court for the
             Southern District of New York and of any New York State
             court sitting in New York City for purposes of all legal
             proceedings arising out of or relating to this Agreement or
             the transactions contemplated hereby.  Each Borrower irrevo-
             cably waives, to the fullest extent permitted by law, any
             objection which it may now or hereafter have to the laying
             of the venue of any such proceeding brought in such a court
             and any claim that any such proceeding brought in such a
             court has been brought in an inconvenient forum.  

                      SECTION 11.9.  Counterparts; Integration; Effec-
             tiveness.  This Agreement may be signed in any number of
             counterparts, each of which shall be an original, with the
             same effect as if the signatures thereto and hereto were
             upon the same instrument.  This Agreement and any obliga-
             tions of the Company to pay the fees described in the com-
             mitment letter agreement referred to in Section 3.2(d)
             constitute the entire agreement and understanding among the
             parties hereto and supersede any and all prior agreements
             and understandings, oral or written, relating to the subject
             matter hereof.  This Agreement shall become effective upon
             receipt by the Agent of counterparts hereof signed by each
             of the Company, the Banks and the Agent (or, in the case of
             any party as to which an executed counterpart shall not have
             been received, receipt by the Agent in form satisfactory to
             it of telegraphic, telex, facsimile or other written confir-
             mation from such party of execution of a counterpart hereof
             by such party).  

                      SECTION 11.10.  WAIVER OF JURY TRIAL.  EACH OF THE
             BORROWERS, THE AGENT AND THE BANKS HEREBY IRREVOCABLY WAIVES
             ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING
             ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSAC-
             TIONS CONTEMPLATED HEREBY.  

                      SECTION 11.11.  Confidentiality.  The Agent and
             each Bank agree to keep any information delivered or made
             available by the Borrowers pursuant to this Agreement confi-
             dential from anyone other than persons employed or retained
             by such Bank who are engaged in evaluating, approving,
             structuring or administering the credit facility contemplat-
             ed hereby; provided that nothing herein shall prevent any
             Bank from disclosing such information (a) to any other Bank
             or to the Agent, (b) to any other Person if reasonably
             incidental to the administration of the credit facility
             contemplated hereby, (c) upon the order of any court or
             administrative agency, (d) upon the request or demand of any
             regulatory agency or authority, (e) which had been publicly
             disclosed other than as a result of a disclosure by the
             Agent or such Bank prohibited by this Agreement, (f) in
             connection with any litigation to which the Agent, any Bank
             or its subsidiaries or Parent may be a party, (g) to the
             extent necessary in connection with the exercise of any
             remedy hereunder, (h) to such Bank's or Agent's legal coun-
             sel and independent auditors and (i) subject to provisions
             substantially similar to those contained in this Section, to
             any actual or proposed Participant or Assignee.


                      IN WITNESS WHEREOF, the parties hereto have caused
             this Agreement to be duly executed by their respective
             authorized officers as of the day and year first above
             written.

                                   BETZ LABORATORIES, INC.

                                   By  /s/ George L. James, III         
                                       --------------------------------
                                       Title:      Vice President-Finance
                                                   Chief Financial Officer
                                                   and Treasurer
                                       Address:    4636 Somerton Road
                                                   Trevose, PA  19053-6783
                                       Facsimile:  (215) 953-5544

                                   BETZ CANADA INC.

                                   By /s/ Robert D. Duchesne            
                                      ---------------------------------
                                      Title:      Treasurer 
                                      Address:    3026 Solandt Road
                                                  Kanata, Ontario, 
                                                  Canada  K2K 2A5
                                      Facsimile:  (613) 592-4103

             $ 50,000,000          MORGAN GUARANTY TRUST COMPANY
                                     OF NEW YORK

                                   By  /s/ Laura E. Reim                
                                     ----------------------------------
                                     Title:  Vice President

             $ 40,000,000          BANK OF AMERICA ILLINOIS

                                   By  /s/ Wendy Loring                 
                                     ----------------------------------
                                     Title: Vice President

             $ 40,000,000          THE CHASE MANHATTAN BANK, N.A.

                                   By  /s/ Robert T. Sacks              
                                     ----------------------------------
                                     Title: Vice President

             $ 40,000,000          COMMERZBANK AG, New York Branch


                                   By  /s/ A. Campbell                  
                                     ----------------------------------
                                     Title: Assistant Cashier

                                   By  /s/ J. Schmieding                
                                     ----------------------------------
                                      Title: Vice President

             $ 40,000,000          CORESTATES BANK, N.A.

                                   By  /s/ Robert Cordell               
                                     ----------------------------------
                                     Title: Vice President

             $ 40,000,000          PNC BANK, NATIONAL ASSOCIATION

                                   By  /s/ Daniel K. Fitzpatrick        
                                     ----------------------------------
                                      Title: Vice President

             $ 40,000,000          ROYAL BANK OF CANADA

                                   By  /s/ John M. Crawford             
                                     ----------------------------------
                                     Title: Senior Manager

             $ 28,000,000          ABN AMRO BANK N.V., New York Branch

                                   By  /s/ George M. Dugan               
                                     ----------------------------------
                                     Title: Vice President

                                   By  /s/ David W. Stack                
                                     ----------------------------------
                                     Title: Assistant Vice President

             $ 28,000,000          BANK OF MONTREAL

                                   By  /s/ Susan Blackburn              
                                     ----------------------------------
                                     Title: Director

             $ 28,000,000          THE BANK OF NEW YORK

                                   By  /s/ Walter Parelli               
                                     ----------------------------------
                                     Title: Assistant Vice President



             $ 28,000,000          BANK OF TOKYO-MITSUBISHI TRUST COMPANY

                                   By  /s/ Mark R. Marron               
                                     ----------------------------------
                                     Title: Vice President

             $ 28,000,000          THE DAI-ICHI KANGYO BANK, LTD.

                                   By  /s/ Thomas M. Fennessey           
                                     ----------------------------------
                                     Title: Assistant Vice President

             $ 28,000,000          DEUTSCHE BANK AG, New York Branch and/or
                                     Cayman Islands Branch

                                   By  /s/ John Augsburger              
                                     ----------------------------------
                                     Title: Vice President

                                   By  /s/ James Fox                    
                                     ----------------------------------
                                     Title: Assistant Vice President

             $ 28,000,000          THE FIRST NATIONAL BANK OF CHICAGO

                                   By  /s/ Daniel J. Lenckos            
                                     ----------------------------------
                                     Title: Vice President

             $ 28,000,000          FIRST UNION NATIONAL BANK

                                   By  /s/ Patrick A. Mc Govern         
                                     ----------------------------------
                                     Title: Senior Vice President

             $ 28,000,000          THE INDUSTRIAL BANK OF JAPAN TRUST COMPANY

                                   By  /s/ Robert W. Ramage, JR         
                                     ----------------------------------
                                     Title: Senior Vice President

             $ 28,000,000          KREDIETBANK N.V., Grand Cayman Branch

                                   By  /s/ Raymond F. Murray            
                                     ----------------------------------
                                     Title: Vice President

                                   By  /s/ Robert Snauffer              
                                     ----------------------------------
                                     Title: Vice President

             $ 28,000,000          MELLON BANK, N.A.

                                   By  /s/ George B. Davis              
                                     ----------------------------------
                                     Title: Vice President

             $ 28,000,000          SOCIETE GENERALE

                                   By  /s/ Robert Peterson              
                                     ----------------------------------
                                     Title: Vice President

             $ 28,000,000          THE SUMITOMO BANK, LIMITED,
                                     New York Branch

                                   By  /s/ Y.  Kawamura                 
                                     ----------------------------------
                                     Title: Joint General Manager

             $ 28,000,000          WACHOVIA BANK OF GEORGIA, N.A.

                                   By  /s/ Adam T. Ogburn                
                                     ----------------------------------
                                     Title: Vice President

             $ 20,000,000          THE FUJI BANK, LIMITED, 
                                     New York Branch

                                   By  /s/ Gina Kearns                  
                                     ----------------------------------
                                     Title: Vice President and Manager

             $ 20,000,000          ISTITUTO BANCARIO SAN PAOLO 
                                     DI TORINO SPA

                                   By  /s/ Gerard McKenna               
                                     ----------------------------------
                                     Title: Vice President

                                   By  /s/ Robert Worster               
                                     ----------------------------------
                                     Title: Vice President

             $ 15,000,000          ALLIED IRISH BANKS PLC

                                   By  /s/ David Widger                 
                                     ----------------------------------
                                     Title: Manager of Corporate Banking



             $ 13,000,000          THE FIRST NATIONAL BANK OF MARYLAND

                                   By  /s/ Theodore K. Oswald           
                                     ----------------------------------
                                     Title: Vice President

             Total Commitments

             $750,000,000

                                   MORGAN GUARANTY TRUST COMPANY 
                                     OF NEW YORK, as Agent

                                   By  /s/ Laura E. Reim                
                                     ----------------------------------
                                     Title: Vice President
                                     Address:    60 Wall Street
                                                 New York, NY 10260
                                     Telex: 177615 MGT UT
                                     Facsimile: (212) 648-5336


                                   PRICING SCHEDULE

                         Each of "Euro-Dollar Margin", "CD Margin" and
             "Facility Fee Rate" means, for any date, the rate set forth
             below in the row opposite such term and in the column corre-
             sponding to the "Pricing Level" that applies at such date:

                          Level I  Level II   Level III  Level IV   Level V 
           CD Margin      0.295%    0.325%     0.415%     0.500%    0.600%

           Euro-Dollar    0.170%    0.200%     0.290%     0.375%    0.475%
           Margin 

           Facility Fee    0.080%   0.100%     0.135%     0.175%    0.250%
           Rate

                       For purposes of this Schedule, the following terms
             have the following meanings, subject to the last paragraph
             of this Schedule: 

                       "Applicable Pricing Ratio" means, for any day, the
             ratio of Consolidated Debt to Consolidated EBITDA as at the
             last day of the fiscal quarter of the Company most recently
             ended prior to such date for which the Company has delivered
             financial statements pursuant to Section 5.1.A(a) or
             5.1.A(b), as the case may be; provided that if at any time
             after June 30, 1997 the Company shall fail to timely deliver
             the financial statements required to be delivered by it
             pursuant to Section 5.1.A(a) or 5.1.A(b), as the case may
             be, the Applicable Pricing Ratio for each date from and
             including the date on which such statements are required to
             be delivered (the "statement due date") shall be the higher
             pricing of the Applicable Pricing Ratio in effect prior to
             the delivery of each financial statements and the Applicable
             Pricing Ratio in effect upon delivery of such financial
             statements; provided, further that if the Company shall have
             failed to deliver such statements by the day that is 30 days
             after the statement due date, then the Applicable Price
             Ratio for each date from the statement due date until the
             date on which such statements are delivered shall be deemed
             to be greater than 3.0:1.

                       "Level I Pricing" applies at any date after June
             30, 1997 if, at such date, (x) the Company's Applicable
             Pricing Ratio is less than or equal to 1.5:1 or (y) if the
             Company has exercised its One-Time Pricing Option, the
             Company's long-term debt is rated A- or higher by S&P or A3
             or higher by Moody's.

                       "Level II Pricing" applies at any date after June
             30, 1997 if, at such date, (i) (x) the Company's Applicable
             Pricing Ratio is less than or equal to 2.0:1 or (y) if the
             Company has exercised its One-Time Pricing Option, the
             Company's long-term debt is rated BBB+ or higher by S&P or
             Baa1 or higher by Moody's and (ii) Level I Pricing does not
             apply.

                       "Level III Pricing" applies at any date after June
             30, 1997 if, at such date, (i) (x) the Company's Applicable
             Pricing Ratio is less than or equal to 2.5:1 or (y) if the
             Company has exercised its One-Time Pricing Option, the
             Company's long-term debt is rated BBB or higher by S&P or
             Baa2 or higher by Moody's and (ii) neither Level I Pricing
             nor Level II Pricing applies.

                       "Level IV Pricing" applies at any date after June
             30, 1997 if, at such date, (i) (x) the Company's Applicable
             Pricing Ratio is less than or equal to 3.0:1 or (y) if the
             Company has exercised its One-Time Pricing Option,the
             Company's long-term debt is rated BBB- or higher by S&P or
             Baa3 or higher by Moody's and (ii) none of Level I Pricing,
             Level II Pricing and Level III Pricing applies.

                       "Level V Pricing" applies at any date after June
             30, 1997 if, at such date, no other Pricing Level applies.  

                       "One-Time Pricing Option" means the one-time,
             irrevocable option of the Company during the life of this
             facility to switch to a ratings-based pricing grid.  Such
             option shall be considered to be exercised, and thereafter
             irrevocably in effect, on the day of receipt by the Agent of
             the Company's notification of its exercise of such option.

                       "Pricing Level" refers to the determination of
             which of Level I, Level II, Level III, Level IV or Level V
             applies at any date; provided that prior to the date the
             Agent receives, or should have received pursuant to Section
             5.1.A(b), the Pricing Ratio calculation for the period
             ending June 30, 1997, Level IV Pricing shall apply.

                       Upon the One-Time Pricing Option being exercised,
             the following shall apply:

                       (a)  The credit ratings to be utilized for purpos-
                  es of this Schedule are those assigned to the senior
                  unsecured long-term debt securities of the Company
                  without third-party credit enhancement, whether or not
                  any such debt securities are actually outstanding, and
                  any rating assigned to any other debt security of the
                  Company shall be disregarded.  The rating in effect at
                  any date is that in effect at the close of business on
                  such date.

                       (b)  If the Company is split-rated and the ratings
                  differential is one notch, the higher of the two rat-
                  ings will apply (e.g., A-/Baa1 results in Level I
                  Status and BBB+/Baa2 results in Level II Status).  If
                  the Company is split-rated and the ratings differential
                  is more than one notch, the average of the two ratings
                  (or the higher of two intermediate ratings) shall be
                  used (e.g., A-/Baa3 results in Level II Status and
                  BBB+/Baa3 results in Level III Status).  If, however,
                  at any date, the Company's long-term debt is not rated
                  by both S&P and Moody's, then Level V shall apply;
                  provided that if either Moody's or S&P shall (i) cease
                  to issue ratings or (ii) refuse to issue a rating to
                  the Company at a reasonable cost, then the Company,
                  together with the Agent, shall substitute another
                  mutually satisfactory nationally recognized credit
                  rating agency for either Moody's or S&P, as the case
                  may be, and this Pricing Schedule shall apply in re-
                  spect of the equivalent ratings of such rating agency.


                                             EXHIBIT A - Letter of Credit

                         IRREVOCABLE STANDBY LETTER OF CREDIT

             June 28, 1996

             [Letter of Credit No.]   MORGAN GUARANTY TRUST COMPANY 
                                        OF NEW YORK

             [Letter of Credit No.]   BANK OF AMERICA ILLINOIS

             [Letter of Credit No.]   THE CHASE MANHATTAN BANK, N.A.

             [Letter of Credit No.]   COMMERZBANK AG, New York Branch

             [Letter of Credit No.]   CORESTATES BANK, N.A.

             [Letter of Credit No.]   PNC BANK, NATIONAL ASSOCIATION

             [Letter of Credit No.]   ROYAL BANK OF CANADA

             [Letter of Credit No.]   ABN AMRO BANK N.V., 
                                        New York Branch

             [Letter of Credit No.]   BANK OF MONTREAL

             [Letter of Credit No.]   THE BANK OF NEW YORK

             [Letter of Credit No.]   BANK OF TOKYO-MITSUBISHI
                                        TRUST COMPANY

             [Letter of Credit No.]   THE DAI-ICHI KANGO BANK, LTD.

             [Letter of Credit No.]   DEUTSCHE BANK AG, New York Branch 
                                        and/or Cayman Islands Branch

             [Letter of Credit No.]   THE FIRST NATIONAL BANK OF CHICAGO

             [Letter of Credit No.]   FIRST UNION NATIONAL BANK

             [Letter of Credit No.]   THE INDUSTRIAL BANK OF JAPAN 
                                        TRUST COMPANY

             [Letter of Credit No.]   KREDIETBANK N.V.,
                                        Grand Cayman Branch

             [Letter of Credit No.]   MELLON BANK, N.A.

             [Letter of Credit No.]   SOCIETE GENERALE

             [Letter of Credit No.]   THE SUMITOMO BANK, LIMITED,
                                        New York Branch

             [Letter of Credit No.]   WACHOVIA BANK OF GEORGIA, N.A.

             [Letter of Credit No.]   THE FUJI BANK, LIMITED,
                                        New York Branch

             [Letter of Credit No.]   ISTITUTO BANCARIO SAN PAOLO


                                        DI TORINO SPA

             [Letter of Credit No.]   ALLIED IRISH BANKS PLC

             [Letter of Credit No.]   THE FIRST NATIONAL BANK 
                                        OF MARYLAND

             Beneficiary:  L B Realty, Inc.
                           One Town Center Road
                           Boca Raton, FL  33486-1010
                           Attention:  Treasurer

             Ladies and Gentlemen:

                       1.  By order of our customer, Betz Laboratories,
             Inc. ("Betz"), we, the banks listed in paragraph 2 below
             (each a "Bank" and collectively the "Banks"), hereby estab-
             lish (severally in our respective Commitment Percentages
             specified in paragraph 2 below) this Irrevocable Standby
             Letter of Credit ("this Letter of Credit") in favor of L B
             Realty, Inc., a Delaware corporation, and its permitted
             transferees ("you" or the "Beneficiary") in the aggregate
             amount of US $103,405,363.28 (One hundred three million,
             four hundred five thousand, three hundred sixty-three United
             States Dollars and twenty-eight cents) (the "Letter of
             Credit Amount") in order to assure payment of the promissory
             note of Betz dated June 28, 1996 (the "Note") delivered
             pursuant to Section 3.6(d) of the Grace Dearborn Worldwide
             Purchase and Sale Agreement, dated as of March 11, 1996, and
             any and all amendments thereto (the "Agreement"), between
             Betz and W.R. Grace & Co.-Conn.

                       2.  Each Bank shall be severally responsible for
             its following commitment percentage ("Commitment Percent-
             age") of the drawing hereunder:

                       Bank                     Commitment Percentage

             MORGAN GUARANTY TRUST COMPANY 
               OF NEW YORK                           6.666666673%

             BANK OF AMERICA ILLINOIS                5.333333333%

             THE CHASE MANHATTAN BANK, N.A.          5.333333333%

             COMMERZBANK AG, New York Branch         5.333333333%

             CORESTATES BANK, N.A.                   5.333333333%

             PNC BANK, NATIONAL ASSOCIATION          5.333333333%

             ROYAL BANK OF CANADA                    5.333333333%

             ABN AMRO BANK N.V., New York Branch     3.733333333%

             BANK OF MONTREAL                        3.733333333%

             THE BANK OF NEW YORK                    3.733333333%

             BANK OF TOKYO-MITSUBISHI TRUST COMPANY  3.733333333%

             THE DAI-ICHI KANGO BANK, LTD.           3.733333333%


             DEUTSCHE BANK AG, New York Branch 
               and/or Cayman Islands Branch          3.733333333%

             THE FIRST NATIONAL BANK OF CHICAGO      3.733333333%

             FIRST UNION NATIONAL BANK               3.733333333%

             THE INDUSTRIAL BANK OF JAPAN 
               TRUST COMPANY                         3.733333333%

             KREDIETBANK N.V.,                       3.733333333%
               Grand Cayman Branch

             MELLON BANK, N.A.                       3.733333333%

             SOCIETE GENERALE                        3.733333333%

             THE SUMITOMO BANK, LIMITED,
               New York Branch                       3.733333333%

             WACHOVIA BANK OF GEORGIA, N.A.          3.733333333%

             THE FUJI BANK, LIMITED,
               New York Branch                       2.666666667%

             ISTITUTO BANCARIO SAN PAOLO
               DI TORINO SPA                         2.666666667%

             ALLIED IRISH BANKS PLC                  2.000000000%

             THE FIRST NATIONAL BANK 
             OF MARYLAND                             1.733333333%

                  Total                                      100%

             The obligations of the Banks under this Letter of Credit are
             several and no Bank shall be liable for the failure of any
             other Bank to perform its obligations hereunder.  Morgan
             Guaranty Trust Company of New York, as Agent for the Banks
             (the "Agent"), shall have no liability for the failure of
             any Bank to perform its obligations hereunder.

                       3.  Funds are available to you under this Letter
             of Credit in a single drawing against your draft, in an
             amount not exceeding the Letter of Credit Amount, presented
             at the office of the Agent specified in paragraph 7 below or
             at its offices at 15 Broad Street, Teller's Department-
             Ground Floor, New York, NY 10015, Attention:  International
             Trade Services.  The draft must be in the form of Annex 1
             hereto, with blanks appropriately completed, and must be
             accompanied by the original of this Letter of Credit and any
             amendment(s) hereto and a certificate of one who purports to
             be the President, a Vice President, the Treasurer or an
             Assistant Treasurer of the Beneficiary in the form of Annex
             2 hereto, with blanks appropriately completed.

                       4.  This Letter of Credit shall be transferable by
             the Beneficiary only to a transferee of the Note, upon
             delivery to the Agent of a transfer notice in the form of
             Annex 3 hereto, with blanks appropriately completed, by
             certified mail, return receipt requested, or hand delivery
             at the office of the Agent referred to in paragraph 7 below.

                       5.  This Letter of Credit shall expire at the
             close of business at the office of the Agent at which the
             draft may be presented on January 17, 1997 (the "Expiration
             Time"), it being understood that such expiration shall not
             affect the obligations of the Agent and each Bank hereunder
             in respect of any drawing duly made prior to the Expiration
             Time.

                       6.  If the Agent receives from you the items
             described in paragraph 3 above on or before the Expiration
             Time, each Bank will unconditionally honor the same in the
             amount of its Commitment Percentage (as specified in para-
             graph 2 above) by remitting such amount, in immediately
             available funds, to the Agent at its office at 60 Wall
             Street, New York, New York  10260, for your account, no
             later than the date one business day after receipt by the
             Agent of such items, and the Agent shall make the total
             amount so received by it available to you in such manner as
             you may specify.  The term "business day" means any day
             except a Saturday, Sunday or other day on which commercial
             banks in New York City are required or authorized by law to
             close.

                       7.  All communications regarding this Letter of
             Credit shall be addressed to Morgan Guaranty Trust Company
             of New York, c/o J.P. Morgan Services, Inc., Attention: 
             International Trade Services Department, 500 Stanton
             Christiana Road, Newark, DE 19713-2107 (facsimile number
             (302) 634-1838 or (302) 634-1839) and shall reference this
             Letter of Credit.  All such communications shall be effec-
             tive when received by the Agent at the above address.  The
             Agent agrees to notify Betz (by facsimile transmission) when
             it receives the items required pursuant to paragraph 3
             above.  Such notice shall be addressed to: Betz Laborato-
             ries, Inc., 4636 Somerton Road, Trevose, PA  19053, Atten-
             tion: Treasurer (facsimile number (215) 953-5544).

                       8.  This Letter of Credit sets forth in full the
             terms of our several undertakings, and such undertakings
             shall not in any way be modified by reference to any docu-
             ment, instrument, or agreement referred to herein.  This
             Letter of Credit may be amended if, but only if, such amend-
             ment is in writing and is signed by the Beneficiary, the
             Agent and each Bank, with the written consent of Betz.  This
             Letter of Credit may be signed in any number of counter-
             parts, each of which shall be an original, with the same
             effect as if the signatures thereto and hereto were upon the
             same instrument.

                       9.  This Letter of Credit is subject to the Uni-
             form Customs and Practice for Documentary Credits (1993
             Revision), International Chamber of Commerce Publication No.
             500 (the "Uniform Customs"), as the same exists on the date
             of issuance of this Letter of Credit.  This Letter of Credit
             shall be deemed to be a contract made under the laws of the
             State of New York and shall, as to matters not governed by
             the Uniform Customs, be governed by and construed in accor-
             dance with the laws of the State of New York.  



                                           Very truly yours,

                                           [AUTHORIZED BANK SIGNATURES]


                                                         ANNEX 1 TO      
                                                         LETTER OF CREDIT

                                   [FORM OF DRAFT]

             U.S. $ [aggregate amount]                     __________, 19

             To the Banks listed below:

                       Pay to the order of [Beneficiary] the aggregate
             amount of U.S. $____ ([insert amount in words] United States
             Dollars).  Such aggregate amount consists of a principal
             component of U.S. $_____ ([insert amount in words] United
             States Dollars) and an interest component of U.S. $_____
             ([insert amount in words] United States Dollars).

                       The portion of said aggregate amount being drawn
             on each Bank is the amount of this draft multiplied by such
             Bank's Commitment Percentage set forth in paragraph 2 of the
             Letter of Credit referred to below.

                       Drawn under the following Irrevocable Standby
             Letter of Credit:

             [Letter of Credit No.]   MORGAN GUARANTY TRUST COMPANY 
                                        OF NEW YORK

             [Letter of Credit No.]   BANK OF AMERICA ILLINOIS

             [Letter of Credit No.]   THE CHASE MANHATTAN BANK, N.A.

             [Letter of Credit No.]   COMMERZBANK AG, New York Branch

             [Letter of Credit No.]   CORESTATES BANK, N.A.

             [Letter of Credit No.]   PNC BANK, NATIONAL ASSOCIATION

             [Letter of Credit No.]   ROYAL BANK OF CANADA

             [Letter of Credit No.]   ABN AMRO BANK N.V., 
                                        New York Branch

             [Letter of Credit No.]   BANK OF MONTREAL

             [Letter of Credit No.]   THE BANK OF NEW YORK

             [Letter of Credit No.]   BANK OF TOKYO-MITSUBISHI
                                        TRUST COMPANY

             [Letter of Credit No.]   THE DAI-ICHI KANGO BANK, LTD.

             [Letter of Credit No.]   DEUTSCHE BANK AG, New York Branch 
                                        and/or Cayman Islands Branch

             [Letter of Credit No.]   THE FIRST NATIONAL BANK OF CHICAGO

             [Letter of Credit No.]   FIRST UNION NATIONAL BANK

             [Letter of Credit No.]   THE INDUSTRIAL BANK OF JAPAN 
                                        TRUST COMPANY

             [Letter of Credit No.]   KREDIETBANK N.V.,
                                        Grand Cayman Branch

             [Letter of Credit No.]   MELLON BANK, N.A.

             [Letter of Credit No.]   SOCIETE GENERALE

             [Letter of Credit No.]   THE SUMITOMO BANK, LIMITED,
                                        New York Branch

             [Letter of Credit No.]   WACHOVIA BANK OF GEORGIA, N.A.

             [Letter of Credit No.]   THE FUJI BANK, LIMITED,
                                        New York Branch

             [Letter of Credit No.]   ISTITUTO BANCARIO SAN PAOLO
                                        DI TORINO SPA

             [Letter of Credit No.]   ALLIED IRISH BANKS PLC

             [Letter of Credit No.]   THE FIRST NATIONAL BANK 
                                        OF MARYLAND

                       [BENEFICIARY]

                       By:___________________
                           [Name and Title]


                                                         ANNEX 2 TO      
                                                         LETTER OF CREDIT

                                OFFICER'S CERTIFICATE

                       In [his/her] capacity as [President] [Vice Presi-
             dent] [Treasurer] [Assistant Treasurer] of [the Beneficia-
             ry], the undersigned hereby certifies as follows:

                  Betz Laboratories, Inc. (the "Buyer") is in default of
                  its payment obligations under its promissory note dated
                  June 28, 1996 (the "Note") delivered pursuant to Sec-
                  tion 3.6(d) of the Grace Dearborn Worldwide Purchase
                  and Sale Agreement, dated as of March 11, 1996, and any
                  and all amendments thereto (the "Agreement"), between
                  Betz Laboratories, Inc. and W.R. Grace & Co.-Conn., and
                  has failed to cure such default within the period of
                  time (if any) permitted by the Note and the Agreement
                  after notice (if any notice is required) having been
                  given in accordance with the Note and the Agreement. 
                  The undersigned beneficiary is entitled under the terms
                  of the Note and the Agreement to draw under the Letter
                  of Credit that this Certificate accompanies (being the
                  Letter of Credit referred to in the Note and the Agree-
                  ment) in the aggregate amount of the draft that this
                  Certificate accompanies.  

             IN WITNESS WHEREOF the undersigned has hereunto set
             [his/her] name this ___ day of [Month], [Year].

                                                     ___________________
                                                     Title:


                                                         ANNEX 3 TO      
                                                         LETTER OF CREDIT

                                   TRANSFER NOTICE

                                                     [Date]

             TO:  [Names of Banks]
                  [c/o Agent, name & address]

                       The undersigned ___________________ is the Benefi-
             ciary of your Letter of Credit dated June 28, 1996 (the
             "Letter  of Credit") in the amount of US$103,405,363.28. 
             All terms defined in the Letter of Credit have the same
             meanings as used herein.  

                       The undersigned has transferred to _____________
             (the "Transferee") the undersigned's rights with respect to
             the Note and the Transferee has become the Beneficiary under
             the Letter of Credit.  The Transferee is a permitted trans-
             feree of the Note.

                                           [Name of Beneficiary]

                                           By ____________________
                                              Name:
                                              Title:


                                                         EXHIBIT B - Note

                                         NOTE

                                                     New York, New York
                                                     ___________ __, 199_

                       For value received, [Name of Borrower], a [juris-
             diction of incorporation] (the "Borrower"), promises to pay
             to the order of ______________________ (the "Bank"), for the
             account of its Applicable Lending Office, the unpaid princi-
             pal amount of each Loan made by the Bank to the Borrower
             pursuant to the Credit Agreement referred to below on the
             maturity date provided for in the Credit Agreement.  The
             Borrower promises to pay interest on the unpaid principal
             amount of each such Loan on the dates and at the rate or
             rates provided for in the Credit Agreement.  All such pay-
             ments of principal and interest shall be made in lawful
             money of the United States in Federal or other immediately
             available funds at the office of Morgan Guaranty Trust
             Company of New York, 60 Wall Street, New York, New York
             10260-0060.

                       All Loans made by the Bank to the Borrower, the
             respective types and maturities thereof and all repayments
             of the principal thereof shall be recorded by the Bank and,
             if the Bank so elects in connection with any transfer or
             enforcement hereof, appropriate notations to evidence the
             foregoing information with respect to each such Loan then
             outstanding may be endorsed by the Bank on the schedule
             attached hereto, or on a continuation of such schedule
             attached to and made a part hereof; provided that the fail-
             ure of the Bank to make any such recordation or endorsement
             shall not affect the obligations of the Borrower hereunder
             or under the Credit Agreement.

                       This note is one of the Notes referred to in the
             Credit Agreement dated as of June 20, 1996 among Betz Labo-
             ratories, Inc., Betz Canada Inc., the Banks parties thereto
             and Morgan Guaranty Trust Company of New York, as Agent (as
             the same may be amended from time to time, the "Credit
             Agreement").  Terms defined in the Credit Agreement are used
             herein with the same meanings.  Reference is made to the
             Credit Agreement for provisions for the prepayment hereof
             and the acceleration of the maturity hereof.

             [         The payment in full of the principal and interest
             on this note has, pursuant to the provisions of the Credit
             Agreement, been unconditionally guaranteed by Betz Laborato-
             ries, Inc.]*

                                           [NAME OF BORROWER]

                                 
             * To be deleted in the case of Notes executed and delivered
             by the Company.



                                           By____________________
                                             Name:
                                             Title:



                           LOANS AND PAYMENTS OF PRINCIPAL

     __________________________________________________________________________

                     Amount      Type      Amount of
                       of         of       Principal     Maturity    Notation
             Date     Loan       Loan       Repaid        Date       Made By
     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________

     __________________________________________________________________________
     __________________________________________________________________________


                                   EXHIBIT C - Money Market Quote Request

                          Form of Money Market Quote Request

                                                            [Date]

             To:         Morgan Guaranty Trust Company of New York (the
                         "Agent")

             From:       [Name of Borrower]

             Re:         Credit Agreement (the "Credit Agreement") dated
                         as of June 20, 1996 among Betz Laboratories,
                         Inc., Betz Canada Inc., the Banks parties
                         thereto and the Agent

                    We hereby give notice pursuant to Section 2.3 of the
             Credit Agreement that we request Money Market Quotes for the
             following proposed Money Market Borrowing(s):

             Date of Borrowing:  __________________

             Principal Amount*               Interest Period**

             $

                    Such Money Market Quotes should offer a Money Market
             [Margin] [Absolute Rate]. [The applicable base rate is the
             London Interbank Offered Rate.]

                    Terms used herein have the meanings assigned to them
             in the Credit Agreement.

                                        [NAME OF BORROWER]

                                        By________________________
                                          Name:
                                          Title: 

                                 
             *  Amount must be $10,000,000 or a larger multiple of
             $1,000,000.

             **  Not less than one month (LIBOR Auction) or not less than
             seven days (Absolute Rate Auction), subject to the provi-
             sions of the definition of Interest Period.  


                           EXHIBIT D - Invitation for Money Market Quotes

                      Form of Invitation for Money Market Quotes

             To:    [Name of Bank]

             Re:    Invitation for Money Market Quotes to [Name of Bor-
                    rower] (the "Borrower")

                    Pursuant to Section 2.3 of the Credit Agreement
             dated as of June 20, 1996 among Betz Laboratories, Inc.,
             Betz Canada Inc., the Banks parties thereto and the under-
             signed, as Agent, we are pleased on behalf of the Borrower
             to invite you to submit Money Market Quotes to the Borrower
             for the following proposed Money Market Borrowing(s):

             Date of Borrowing:  __________________

             Principal Amount              Interest Period

             $

                    Such Money Market Quotes should offer a Money Market
             [Margin] [Absolute Rate].  [The applicable base rate is the
             London Interbank Offered Rate.]

                    Please respond to this invitation by no later than
             [2:00 P.M.] [9:30 A.M.] (New York City time) on [date].

                                        MORGAN GUARANTY TRUST COMPANY
                                          OF NEW YORK, as Agent

                                        By______________________
                                           Authorized Officer 


                                           EXHIBIT E - Money Market Quote

                              Form of Money Market Quote

             To:    Morgan Guaranty Trust Company of New York, as Agent

             Re:    Money Market Quote to [Name of Borrower] (the "Bor-
                    rower")

                    In response to your invitation on behalf of the
             Borrower dated _____________, 19__, we hereby make the
             following Money Market Quote on the following terms:

             1.   Quoting Bank:  ________________________________
             2.   Person to contact at Quoting Bank:
                  _____________________________
             3.   Date of Borrowing: ____________________*
             4.   We hereby offer to make Money Market Loan(s) in the
                  following principal amounts, for the following In-
                  terest Periods and at the following rates:

             Principal   Interest  Money Market
             Amount**    Period*** [Margin****] [Absolute Rate*****]

             $

             $

               [Provided, that the aggregate principal amount of Money
               Market Loans for which the above offers may be accepted
               shall not exceed $____________.]**

             __________

             * As specified in the related Invitation.
             ** Principal amount bid for each Interest Period may not
             exceed principal amount requested.  Specify aggregate limi-
             tation if the sum of the individual offers exceeds the
             amount the Bank is willing to lend.  Bids must be made for
             $5,000,000 or a larger multiple of $1,000,000.
                    (notes continued on following page)

                         We understand and agree that the offer(s) set
               forth above, subject to the satisfaction of the applica-
               ble conditions set forth in the Credit Agreement dated as
               of June 20, 1996 among Betz Laboratories, Inc., Betz
               Canada Inc., the Banks parties thereto and yourselves, as
               Agent, irrevocably obligates us to make the Money Market
               Loan(s) for which any offer(s) are accepted, in whole or
               in part.

                                        Very truly yours,

                                        [NAME OF BANK]


             Dated:_______________      By:__________________________
                                           Authorized Officer

             __________

             *** Not less than one month or not less than seven days, as
             specified in the related Invitation.  No more than five bids
             are permitted for each Interest Period.
             **** Margin over or under the London Interbank Offered Rate
             determined for the applicable Interest Period.  Specify
             percentage (to the nearest 1/10,000 of 1%) and specify
             whether "PLUS" or "MINUS".
             ***** Specify rate of interest per annum (to the nearest
             1/10,000th of 1%).  


                         EXHIBIT F-1 - Opinion of Counsel for the Company
                                      and United States Counsel for Betz
                                      Canada

                                             ________________,  199_

             To the Banks and the Agent
               Referred to Below
             c/o Morgan Guaranty Trust Company
               of New York, as Agent
             60 Wall Street
             New York, New York  10260

             Dear Sirs:

                    We have acted as counsel for Betz Laboratories, Inc.
             (the "Company") and as United States counsel for Betz Canada
             Inc. ("Betz Canada") in connection with the Credit Agreement
             (the "Credit Agreement") dated as of June 20, 1996 among the
             Company, Betz Canada, the Banks parties thereto and Morgan
             Guaranty Trust Company of New York, as Agent.  Terms defined
             in the Credit Agreement are used herein as therein defined. 
             This opinion is being rendered to you at the request of our
             clients pursuant to Section 3.1(b) of the Credit Agreement.

                    We have examined originals or copies, certified or
             otherwise identified to our satisfaction, of such documents,
             corporate records, certificates of public officials and
             other instruments and have conducted such other investiga-
             tions of fact and law as we have deemed necessary or advis-
             able for purposes of this opinion.

                    Upon the basis of the foregoing and subject to the
             qualifications set forth below, we are of the opinion that:

                    1.  The Company is a corporation duly incorporated,
             validly existing and in good standing under the laws of
             Pennsylvania and has all corporate power required to carry
             on its business as described in the Company's 1995 Form
             10-K. 

                    2.  The execution, delivery and performance by the
             Company of the Credit Agreement and its Notes are within the
             corporate power of the Company, have been duly authorized by
             all necessary corporate action, require no action by or in
             respect of, or filing with, any governmental body, agency or
             official and do not contravene, or constitute a default
             under, any provision of applicable law or regulation or of
             the articles of incorporation or bylaws of the Company or of
             any agreement, judgment, injunction, order, decree or other
             instrument known to us to be binding upon the Company or any
             of its Subsidiaries or result in the creation or imposition
             of any Lien on any asset of the Company or any of its Sub-
             sidiaries pursuant to any of the foregoing.

                    3.  The execution, delivery and performance by Betz
             Canada of the Credit Agreement and its Notes require no
             action by or in respect of, or filing with, any governmental
             body, agency or official and do not contravene, or consti-
             tute a default under, any provision of applicable law or
             regulation or of any agreement, judgment, injunction, order,
             decree or other instrument known to us to be binding upon
             Betz Canada or any of its Subsidiaries or result in the
             creation or imposition of any Lien on any asset of Betz
             Canada or any of its Subsidiaries pursuant to any of the
             foregoing.

                    4.  The Credit Agreement has been duly executed and
             delivered by, and constitutes a valid and binding agreement
             of, the Company and Betz Canada and each of the Notes of the
             Company and Betz Canada, respectively, has been duly execut-
             ed and delivered by, and constitutes a valid and binding
             obligation of, the Company or Betz Canada, as the case may
             be, in each case enforceable in accordance with its terms
             except as the same may be limited by bankruptcy, insolvency
             or similar laws affecting creditors' rights generally and by
             general principles of equity (regardless of whether such
             enforceability is considered in a proceeding in equity or at
             law).

                    We have assumed the genuineness of all signatures,
             the authenticity of all documents submitted to us as origi-
             nals, the conformity to original documents of all documents
             submitted to us as certified or photostatic copies and the
             authenticity of the originals of such latter documents.  We
             have also assumed that the Credit Agreement constitutes the
             legal, valid and binding agreement of the Agent and the
             Banks.

                    Whenever our opinion herein with respect to the
             existence or absence of facts is indicated to be based on
             our knowledge, it is intended to signify that no information
             has come to the attention of the lawyers actually involved
             in our representation of the Company in connection with the
             Credit Agreement and the lawyer having overall responsibili-
             ty for our representation of the Company that would give us
             actual present knowledge of the existence or absence of
             facts.  We have not, however, undertaken any independent
             investigation to determine the existence or absence of such
             facts.

                    In giving the opinion in paragraph 4 as to Betz
             Canada we have relied with your permission on the opinions
             of Bennett Jones Verchere, Canadian counsel for Betz Canada,
             contained in its opinion letter of even date herewith deliv-
             ered to you in connection with the Credit Agreement.

                    This opinion is limited to the laws of the Common-
             wealth of Pennsylvania, the State of New York and the feder-
             al laws of the United States of America.

                    This opinion is being delivered to you solely for
             your benefit in connection with the Credit Agreement and may
             not be relied upon by any other person or for any other
             purpose without our prior written consent.

                                   Very truly yours,


                EXHIBIT F-2 - Opinion of Canadian Counsel for Betz Canada

                                             ___________, 1996

             The Banks and the Agent
             referred to below
             c/o Morgan Guaranty Trust Company
               of New York, as Agent
             60 Wall Street
             New York, New York  10260

             Dear Sirs:

                                Re:  Betz Canada Inc.

                    We have acted as Canadian counsel to Betz Canada
             Inc. ("Betz Canada") in connection with a Credit Agreement
             (the "Credit Agreement") dated as of June 20, 1996 among
             Betz Laboratories, Inc. (the "Company"), Betz Canada, the
             Banks parties thereto and Morgan Guaranty Trust Company of
             New York, as Agent.  Terms defined in the Credit Agreement
             are used herein as therein defined.

                    For the purposes of the opinions expressed below, we
             have examined originals or copies of the following docu-
             ments:

               1.   a copy, certified by an officer of Betz Canada, of
                    the Letters Patent and Articles of Continuance of
                    Betz Canada (the "Articles");

               2.   a copy, certified by an officer of Betz Canada, of
                    the by-laws of Betz Canada (the "By-laws");

               3.   a copy, certified by an officer of Betz Canada, of a
                    resolution of the board of directors of Betz Canada,
                    authorizing, among other things, the execution and
                    delivery of the Credit Agreement;

               4.   a certificate of compliance (the "Certificate of
                    Compliance") for Betz Canada issued by Industry
                    Canada in respect of Betz Canada dated June 11,
                    1996;

               5.   a certificate of incumbency of Betz Canada of even
                    date herewith;

               6.   the Credit Agreement; and

               7.   the form of promissory note (the "Note") to be de-
                    livered by Betz Canada to the Bank(s) in connection
                    with Loans made to Betz Canada.

                    We have also considered such statutes and regula-
             tions of the Province of Ontario and of Canada applicable in
             Ontario ("Ontario Law") as we have considered necessary as a
             basis for the opinions hereinafter expressed.

                    As to certain matters of fact material to our opin-
             ions, we have also examined and relied exclusively and
             without independent verification on a certificate of the
             Secretary and Vice President of Betz Canada and a certifi-
             cate of the President of Betz Canada (collectively, the
             "Officer's Certificates"), copies of which are attached to
             this opinion.

             Assumptions

                    For the purposes of the opinions hereinafter ex-
             pressed, we have made the following assumptions:

               1.   that all signatures are genuine, all documents sub-
                    mitted to us as originals are authentic, and all
                    documents submitted to us as copies conform to au-
                    thentic original documents;

               2.   that all facts set forth in official public records
                    and certificates and other documents supplied by
                    public officials or otherwise conveyed to us by
                    public officials are complete, true and accurate;

               3.   that the Certificate of Compliance is conclusive
                    evidence that Betz Canada is incorporated and a
                    subsisting corporation under the laws of Canada and
                    has not been dissolved thereunder and that a similar
                    certificate bearing a current date could be ob-
                    tained.

             Applicable Law

                    We are solicitors qualified to practice law only in
             the Province of Ontario.  Accordingly, we do not express any
             opinion with respect to the laws of any other jurisdiction
             other than Ontario Law as of the date of this opinion let-
             ter.

             Opinions

                    Based and relying upon the foregoing, and subject to
             the qualifications listed below, we are of the opinion that:

               1.   Betz Canada is a corporation validly existing under
                    the laws of Canada and has not been dissolved;

               2.   Betz Canada has the corporate power and authority to
                    execute, deliver and perform its obligations under
                    the Credit Agreement and the Notes (the "Docu-
                    ments");

               3.   the execution, delivery and performance of the Docu-
                    ments has been authorized by all necessary corporate
                    action of Betz Canada;

               4.   Betz Canada has duly executed and delivered each of
                    the Documents;

               5.   the execution, delivery and performance by Betz
                    Canada of the Documents does not constitute or re-
                    sult in a violation or a breach of, or a default
                    under:

                    (a)  its Articles or By-laws;

                    (b)  any Ontario Law to which Betz Canada is sub-
                         ject; or

                    (c)  any agreement, judgment, injunction, order,
                         decree or other instrument known to us to be
                         binding upon Betz Canada; 

               6.   Under the Income Tax Act (Canada), the Regulations
                    thereunder and the publicly-announced administrative
                    practices of Revenue Canada as of the date hereof,
                    Canadian nonresident withholding tax will not apply
                    on interest paid to a Bank by Betz Canada on a Loan
                    made to it pursuant to the Credit Agreement if,
                    under the terms of the Loan, Betz Canada may not,
                    under any circumstances, be obliged to pay more than
                    25% of the principal amount of the obligation within
                    five years of the date of its issue except (i) in
                    the event of a failure or default under the terms of
                    the Credit Agreement relating thereto (which events
                    have commercial reality, are beyond the control of
                    such Bank, impair such Bank's position and are not
                    contrived) or (ii) the terms of the obligation or
                    any agreement relating thereto become unlawful or
                    are changed by virtue of legislation or by a court,
                    statutory board or commission.  Canadian nonresident
                    withholding tax of 25% as reduced by applicable tax
                    treaty (to 10% in the case of a U.S. resident Bank)
                    will apply on interest paid by Betz Canada on a Loan
                    if the prescribed repayment provisions are not met.
                    If the prescribed repayment provisions are satis-
                    fied, there would be no Canadian non-resident with-
                    holding tax imposed on any other payments that Betz
                    Canada might be required to make to the Banks pursu-
                    ant to the Credit Agreement.

               7.   There is no registration tax, stamp duty or any
                    similar tax or duty imposed by Ontario Law by virtue
                    of the execution and delivery of the Documents by
                    the parties thereto or the performance of their
                    obligations thereunder.

                    The choice of New York law as the governing law of
             the Credit Agreement and the Notes will be upheld as a valid
             choice of law by the courts of the Province of Ontario
             provided that such choice of law is bona fide (in the sense
             that it was not made with a view to avoiding the consequenc-
             es of the law of any other jurisdiction) and provided that
             such choice of law is not contrary to public policy, as that
             term is understood under the laws of the Province of Ontar-
             io.  We have no reason to believe that the choice of law in
             the Credit Agreement and the Notes would 
             not be upheld.


             Qualifications

                    Our opinions expressed above are subject to the
             following qualification:

               1.   The validity, binding effect and enforceability of
                    each of the Documents or any judgment arising out of
                    or in connection with any Document may be limited by
                    applicable bankruptcy, insolvency, winding-up, reor-
                    ganization, arrangement, moratorium or other similar
                    laws affecting creditors' rights generally and by
                    general principles of equity.

                                        Yours truly,

                                        BENNETT JONES VERCHERE


                     EXHIBIT G - Opinion of Special Counsel for the Agent

                                      OPINION OF
                        DAVIS POLK & WARDWELL, SPECIAL COUNSEL
                                     FOR THE AGENT            

                                                ________________,  199_

             To the Banks and the Agent
               Referred to Below
             c/o Morgan Guaranty Trust Company
               of New York, as Agent
             60 Wall Street
             New York, New York  10260

             Dear Sirs:

                       We have participated in the preparation of the
             Credit Agreement (the "Credit Agreement") dated as of June
             20, 1996 among Betz Laboratories, Inc., a Pennsylvania
             corporation, Betz Canada Inc., a Canadian corporation, the
             Banks parties thereto and Morgan Guaranty Trust Company of
             New York, as Agent, and have acted as special counsel for
             the Agent for the purpose of rendering this opinion pursuant
             to Section 3.1(d) of the Credit Agreement.  Terms defined in
             the Credit Agreement are used herein as therein defined.

                       We have examined originals or copies, certified or
             otherwise identified to our satisfaction, of such documents,
             corporate records, certificates of public officials and
             other instruments and have conducted such other investiga-
             tions of fact and law as we have deemed necessary or advis-
             able for purposes of this opinion.

                       Upon the basis of the foregoing, we are of the
             opinion that the Credit Agreement constitutes a valid and
             binding agreement of each of the Company and Betz Canada,
             and each of their respective Notes constitutes a valid and
             binding obligation of its maker, in each case enforceable in
             accordance with its terms except as the same may be limited
             by bankruptcy, insolvency or similar laws affecting
             creditors' rights generally and by general principles of
             equity.

                       We are members of the Bar of the State of New York
             and the foregoing opinion is limited to the laws of the
             State of New York and the federal laws of the United States
             of America.  In giving the foregoing opinion, (i) we express
             no opinion as to the effect (if any) of any law of any
             jurisdiction (except the State of New York) in which any
             Bank is located which limits the rate of interest that such
             Bank may charge or collect and (ii) as to all matters gov-
             erned by the laws of the Commonwealth of Pennsylvania or
             Canada, we have relied, without independent investigation,
             on the respective opinions of Morgan, Lewis & Bockius LLP,
             counsel for the Company, and Bennett Jones Verchere, counsel
             for Betz Canada, copies of which have been delivered to you.

                       This opinion is rendered solely to you in connec-
             tion with the above matter.  This opinion may not be relied
             upon by you for any other purpose or relied upon by any
             other person without our prior written consent.

                                           Very truly yours, 


                              EXHIBIT H - Form of Election to Participate

                           FORM OF ELECTION TO PARTICIPATE

                                                     [Date]

             MORGAN GUARANTY TRUST COMPANY
               OF NEW YORK, as Agent for
               the Banks parties to the Credit
               Agreement dated as of June 20, 1996
               among Betz Laboratories, Inc,
               Betz Canada Inc., 
               such Banks and such Agent (the
               "Credit Agreement")

             Dear Sirs:

                       Reference is made to the Credit Agreement de-
             scribed above.  Terms not defined herein which are defined
             in the Credit Agreement shall have for the purposes hereof
             the meaning provided therein.

                       The undersigned, [name of Eligible Subsidiary], a
             [jurisdiction of incorporation] corporation, hereby elects
             to be an Eligible Subsidiary for purposes of the Credit
             Agreement, effective from the date hereof until an Election
             to Terminate shall have been delivered on behalf of the
             undersigned in accordance with the Credit Agreement.  The
             undersigned confirms that the representations and warranties
             set forth in Article 9 of the Credit Agreement are true and
             correct as to the undersigned as of the date hereof, and the
             undersigned hereby agrees to perform all the obligations of
             an Eligible Subsidiary under, and to be bound in all re-
             spects by the terms of, the Credit Agreement, including
             without limitation Sections 11.1 and 11.8 thereof, as if the
             undersigned were a signatory party thereto.

                       [Tax disclosure pursuant to Section 9.4]

                       This instrument shall be construed in accordance
             with and governed by the laws of the State of New York.

                                           Very truly yours,

                                           [NAME OF ELIGIBLE SUBSIDIARY]

                                           By____________________________
                                             Title:

                       The undersigned hereby confirms that [name of
             Eligible Subsidiary] is an Eligible Subsidiary for purposes
             of the Credit Agreement described above.

                                           BETZ LABORATORIES, INC.



                                           By____________________________
                                             Title:

                       Receipt of the above Election to Participate is
             hereby acknowledged on and as of the date set forth above.

                                           MORGAN GUARANTY TRUST COMPANY
                                             OF NEW YORK, as Agent

                                           By____________________________
                                             Title:


                                EXHIBIT I - Form of Election to Terminate

                            FORM OF ELECTION TO TERMINATE

                                                      [Date]

             MORGAN GUARANTY TRUST COMPANY
               OF NEW YORK, as Agent for
               the Banks parties to the Credit
               Agreement dated as of June 20, 1996
               among Betz Laboratories, Inc.,
               Betz Canada Inc.,
               such Banks and such Agent (the
               "Credit Agreement")

             Dear Sirs:

                       Reference is made to the Credit Agreement de-
             scribed above.  Terms not defined herein which are defined
             in the Credit Agreement shall have for the purposes hereof
             the meaning provided therein.

                       The undersigned, [name of Eligible Subsidiary], a
             [jurisdiction of incorporation] corporation, hereby elects
             to terminate its status as an Eligible Subsidiary for pur-
             poses of the Credit Agreement, effective as of the date
             hereof.  The undersigned hereby represents and warrants that
             all principal and interest on all Notes of the undersigned
             and all other amounts payable by the undersigned pursuant to
             the Credit Agreement have been paid in full on or prior to
             the date hereof.  Notwithstanding the foregoing, this Elec-
             tion to Terminate shall not affect any obligation of the
             undersigned under the Credit Agreement or under any Note
             heretofore incurred.

                       This instrument shall be construed in accordance
             with and governed by the laws of the State of New York.

                                           Very truly yours,

                                           [NAME OF ELIGIBLE SUBSIDIARY]

                                           By_______________________
                                             Title:

                       The undersigned hereby confirms that the status of
             [name of Eligible Subsidiary] as an Eligible Subsidiary for
             purposes of the Credit Agreement described above is termi-
             nated as of the date hereof.

                                           BETZ LABORATORIES, INC.

                                           By_________________________
                                             Title:

                       Receipt of the above Election to Terminate is
             hereby acknowledged on and as of the date set forth above.

                                           MORGAN GUARANTY TRUST COMPANY
                                             OF NEW YORK, as Agent

                                           By__________________________
                                             Title:


                       EXHIBIT J -    Matters to be covered in the Opin-
                                      ions of Counsel for the Eligible
                                      Subsidiary and the Company

                       1.  The Borrower is a corporation validly existing
             and in good standing under the laws of [jurisdiction of
             organization]. 

                       2.  The execution and delivery by the Borrower of
             its Election to Participate and its Notes and the perfor-
             mance by the Borrower of the Credit Agreement and its Notes
             are within the Borrower's powers, have been duly authorized
             by all necessary action, require no action by or in respect
             of, or filing with, any governmental body, agency or offi-
             cial and do not contravene, or constitute a default under,
             any provision of applicable law or regulation or of the
             [charter and similar documents] or bylaws of the Borrower or
             of any agreement, judgment, injunction, order, decree or
             other instrument known to such counsel to be binding upon
             the Borrower or the Company or any of its Subsidiaries or
             result in the creation or imposition of any Lien on any
             asset of the Company or any of its Subsidiaries pursuant to
             any of the foregoing.

                       3.  The Borrower's Election to Participate has
             been duly executed and delivered and the Credit Agreement
             constitutes a valid and binding agreement of the Borrower
             and each of its Notes has been duly executed and delivered
             and constitutes a valid and binding obligation of the Bor-
             rower, in each case enforceable in accordance with its terms
             except as the same may be limited by bankruptcy, insolvency
             and other similar laws affecting creditors' rights generally
             and by general principles of equity.

                       4.  Except as disclosed in the Borrower's Election
             to Participate, there is no income, stamp or other tax of
             [jurisdiction of organization and, if different, principal
             place of business], or any taxing authority thereof or
             therein, imposed by or in the nature of withholding or
             otherwise, which is imposed on any payment to be made by the
             Borrower pursuant to the Credit Agreement or its Notes, or
             imposed on or by virtue of the execution, delivery or en-
             forcement of its Election to Participate, the Credit Agree-
             ment or its Notes.

                  EXHIBIT K - Form of Assignment and Assumption Agreement

                         ASSIGNMENT AND ASSUMPTION AGREEMENT

                       AGREEMENT dated as of _________, 19__ among <NAME
             OF ASSIGNOR> (the "Assignor"), <NAME OF ASSIGNEE> (the
             "Assignee"), BETZ LABORATORIES, INC. (the "Company"), BETZ
             CANADA INC. ("Betz Canada") and MORGAN GUARANTY TRUST COMPA-
             NY OF NEW YORK, as Agent (the "Agent").


                       WHEREAS, this Assignment and Assumption Agreement
             (the "Agreement") relates to the Credit Agreement dated as
             of June 20, 1996 among the Company, Betz Canada Inc., the
             Assignor and the other Banks parties thereto, as Banks, and
             the Agent (the "Credit Agreement");

                       WHEREAS, as provided under the Credit Agreement,
             the Assignor has a Commitment to make Loans [and be an
             issuer of the Letter of Credit] in an aggregate principal
             amount at any time outstanding not to exceed $__________;

                       WHEREAS, Committed Loans made by the Assignor
             under the Credit Agreement in the aggregate principal amount
             of $__________ are outstanding at the date hereof;

                       [WHEREAS, the Letter of Credit with a total amount
             available for drawing thereunder upon Assignor of
             $__________ is outstanding at the date hereof;] and

                       WHEREAS, the Assignor proposes to assign to the
             Assignee all of the rights of the Assignor under the Credit
             Agreement in respect of a portion of its Commitment thereun-
             der in an amount equal to $__________ (the "Assigned
             Amount"), together with a corresponding portion of its
             outstanding Committed Loans [and Letter of Credit Liabili-
             ties], and the Assignee proposes to accept assignment of
             such rights and assume the corresponding obligations from
             the Assignor on such terms;

                       NOW, THEREFORE, in consideration of the foregoing
             and the mutual agreements contained herein, the parties
             hereto agree as follows:

                       SECTION 1.  Definitions. All capitalized terms not
             otherwise defined herein shall have the respective meanings
             set forth in the Credit Agreement.

                       SECTION 2.  Assignment.  (a) The Assignor hereby
             assigns and sells to the Assignee all of the rights of the
             Assignor under the Credit Agreement to the extent of the
             Assigned Amount, and the Assignee hereby accepts such as-
             signment from the Assignor and assumes all of the obliga-
             tions of the Assignor under the Credit Agreement to the
             extent of the Assigned Amount, including the purchase from
             the Assignor of the corresponding portion of the principal
             amount of the Committed Loans made by, and Letter of Credit
             Liabilities of, the Assignor outstanding at the date hereof. 
             Upon the execution and delivery hereof by the Assignor, the
             Assignee, [the Company, Betz Canada and the Agent]* and the
             payment of the amounts specified in Section 3 required to be
             paid on the date hereof (i) the Assignee shall, as of the
             date hereof, succeed to the rights and be obligated to
             perform the obligations of a Bank under the Credit Agreement
             with a Commitment in an amount equal to the Assigned Amount,
             and (ii) the Commitment of the Assignor shall, as of the
             date hereof, be reduced by a like amount and the Assignor
             released from its obligations under the Credit Agreement to
             the extent such obligations have been assumed by the Assign-
             ee.  The assignment provided for herein shall be without
             recourse to the Assignor.

                                 
             * Not necessary if the Assignee is a Bank.


             [         (b)  The parties understand that the assignment
             and assumption pursuant to this instrument does not affect
             the rights of the beneficiary under the Letter of Credit or
             the obligations of the Assignor to such beneficiary.  None-
             theless, the Assignee hereby assumes and agrees to perform
             such obligations to the extent of a Bank with a Commitment
             Percentage (as defined in the Letter of Credit) equal to the
             percentage equivalent of a fraction (x) the numerator of
             which is the Assigned Amount and (y) the denominator of
             which is the aggregate amount of the Commitments at the date
             hereof.  The Assignee hereby indemnifies the Assignor for
             any failure on the part of the Assignee to perform the
             obligations so assumed.]*

                       SECTION 3.  Payments.  As consideration for the
             assignment and sale contemplated in Section 2 hereof, the
             Assignee shall pay to the Assignor on the date hereof in
             Federal funds the amount heretofore agreed between them.* It
             is understood that facility [and letter of credit] fees
             accrued to the date hereof are for the account of the As-
             signor and such fees accruing from and including the date
             hereof with respect to the Assigned Amount are for the
             account of the Assignee.  Each of the Assignor and the
             Assignee hereby agrees that if it receives any amount under
             the Credit Agreement which is for the account of the other
             party hereto, it shall receive the same for the account of
             such other party to the extent of such other party's inter-
             est therein and shall promptly pay the same to such other
             party.

                       [SECTION 4.  Consent of the Company, Betz Canada
             and the Agent.  This Agreement is conditioned upon the
             consent of the Company, Betz Canada and the Agent pursuant
             to Section 11.6(c) of the Credit Agreement.  The execution
             of this Agreement by the Company, Betz Canada and the Agent
             is evidence of this consent.  Pursuant to Section 11.6(c),
             each of the Company and Betz Canada agrees to execute and
             deliver a Note and to cause each of the other Eligible
             Subsidiaries to execute and deliver a Note payable to the
             order of the Assignee to evidence the assignment and assump-
             tion provided for herein.]**

                       SECTION 5.  Non-Reliance on Assignor.  The Assign-
             or makes no representation or warranty in connection with,
             and shall have no responsibility with respect to, the sol-
             vency, financial condition, or statements of any Borrower,
             or the validity and enforceability of the obligations of any
             Borrower in respect of the Credit Agreement or any Note. 
             The Assignee acknowledges that it has, independently and
             without reliance on the Assignor, and based on such docu-

                                 
             * Not necessary if the Letter of Credit is no longer out-
             standing.

             *  Amount should combine principal together with accrued
             interest and breakage compensation, if any, to be paid by
             the Assignee, net of any portion of any upfront fee to be
             paid by the Assignor to the Assignee.  It may be preferable
             in an appropriate case to specify these amounts generically
             or by formula rather than as a fixed sum.

             ** Not necessary if the Assignee is a Bank.


             ments and information as it has deemed appropriate, made its
             own credit analysis and decision to enter into this Agree-
             ment and will continue to be responsible for making its own
             independent appraisal of the business, affairs and financial
             condition of the Borrowers.

                       SECTION 6.  Governing Law.  This Agreement shall
             be governed by and construed in accordance with the laws of
             the State of New York.

                       SECTION 7.  Counterparts.  This Agreement may be
             signed in any number of counterparts, each of which shall be
             an original, with the same effect as if the signatures
             thereto and hereto were upon the same instrument.


                       IN WITNESS WHEREOF, the parties have caused this
             Agreement to be executed and delivered by their duly autho-
             rized officers as of the date first above written.

                                           <NAME OF ASSIGNOR>

                                           By_________________________
                                             Name:
                                             Title:

                                           <NAME OF ASSIGNEE>

                                           By__________________________
                                             Name:
                                             Title:

                                           [BETZ LABORATORIES, INC.

                                           By__________________________
                                             Name:
                                             Title:

                                           BETZ CANADA INC.

                                           By__________________________
                                             Name:
                                             Title:

                                           MORGAN GUARANTY TRUST COMPANY
                                             OF NEW YORK, as Agent

                                           By__________________________
                                             Name:
                                             Title:                    ]



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