CLIMACHEM INC
S-4/A, 1998-04-10
MISCELLANEOUS CHEMICAL PRODUCTS
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      AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION 
                        ON APRIL 10, 1998     
                    REGISTRATION NO. 333-44905
                    __________________________
                SECURITIES AND EXCHANGE COMMISSION
                     WASHINGTON, D.C.  20549
                     _______________________
                          AMENDMENT NO. 2
                                TO
                             FORM S-4     
     REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                         CLIMACHEM, INC.
      (Exact name of registrant as specified in its charter)

      Oklahoma                 6749                73-1528549
  _________________    __________________      __________________
  (State or other      (Primary Standard       (I.R.S. Employer
  jurisdiction of      Industrial Classi-      Identification No.)
  incorporation or     fication Code Number)
  organization)

                      16 SOUTH PENNSYLVANIA
                  OKLAHOMA CITY, OKLAHOMA 73107
                    TELEPHONE: (405) 235-4546
        __________________________________________________
       (Address, including zip code, and telephone number,
         including area code, of registrants' principal 
                        executive offices)

        JACK E. GOLSEN                          COPY TO:
   CHIEF EXECUTIVE OFFICER               IRWIN H. STEINHORN, ESQ.
       ClimaChem, Inc.                        Conner & Winters
   16 South Pennsylvania             211 North Robinson, Suite 1700
 Oklahoma City, Oklahoma 73107        Oklahoma City, Oklahoma 73102
   Telephone: (405) 235-4546            Telephone: (405) 272-5711
______________________________
(Name, address, including zip      
code, and telephone number, 
including area code, of agent 
for service)
<TABLE>
<CAPTION>
                            Jurisdiction
Exact Name of Additional         of         Classification    Identification
     Registrants*           Incorporation        Number            Number
________________________    _____________   ______________    ______________
<S>                         <C>             <C>               <C>
APR Corporation               Oklahoma           3585           73-1415062
CHP Corporation               Oklahoma           3585           73-1094496
Climate Master, Inc.          Delaware           3585           93-0857025
Climate Mate Inc.             Canada             3585               N/A
DSN Corporation               Oklahoma           3585           73-1456545
El Dorado Chemical Company    Oklahoma           2819           73-1456545
International Environmental 
   Corporation                Oklahoma           2873           73-1183488
KOAX Corp.                    Oklahoma           3585           73-1284158
LSB Chemical Corp.            Oklahoma           3585           73-1207958
Northwest Financial 
  Corporation                 Oklahoma           7392           73-1131584
Slurry Explosive 
  Corporation                 Oklahoma           6749           73-1330903
The Environmental 
  Group, Inc.                 Oklahoma           3585           73-1431586
The Environmental Group
  International Limited       England            3585               N/A
Total Energy Systems 
  Limited(1)                 Australia           2892               N/A
T.E.S. Mining Services 
  Pty. Ltd.(1)               Australia           2892               N/A
Total Energy Systems (NZ) 
  Limited(1)                New Zealand         2892                N/A
Universal Tech Corporation    Oklahoma          8731            73-1364261
<FN>
*Address and telephone number of principal executive offices are
the same as those of ClimaChem, Inc., except as indicated below.

(1)  The address and telephone number of the principal executive
offices of Total Energy Systems Limited and its subsidiaries,
T.E.S. Mining Services Pty. Ltd. and Total Energy Systems (NZ),
Ltd., are Irvieta House, Level 9, 172 Edwards Street, Brisbane,
Queensland, Australia 4000; 617-3-221-4406.
</FN>
</TABLE>
APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As
soon as practicable after this Registration Statement becomes
effective.

If the securities being registered on this Form are being offered
in connection with the formation of a holding company and there is
compliance with General Instruction G, check the following box:[ ]
<TABLE>
<CAPTION>
                 CALCULATION OF REGISTRATION FEE

                                                     PROPOSED
                                       PROPOSED      MAXIMUM
TITLE OF EACH CLASS                    MAXIMUM      AGGREGATE       AMOUNT OF
 OF SECURITIES TO      AMOUNT TO    OFFERING PRICE   OFFERING     REGISTRATION
  BE REGISTERED      BE REGISTERED   PER UNIT(1)     PRICE(1)          FEE
__________________   _____________   _____________  ____________  ____________
<S>                  <C>             <C>            <C>           <C>
10-3/4% Series B
Senior Notes due
2007............     $105,000,000         100%       $105,000,000   $31,813(3)

Guarantees of 
10-3/4% Series B
Senior Notes due
2007............     $105,000,000         (2)            (2)           None
                                                       
<FN>
(1)  Estimated pursuant to Rule 457 solely for the purpose of
     calculating the registration fee.

(2)  No further fee is payable pursuant to Rule 457(n).

(3)  The registration fee was previously paid.
</FN>
</TABLE>
     THE REGISTRANTS HEREBY AMEND THIS REGISTRATION STATEMENT ON
SUCH DATE OR DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE
UNTIL THE REGISTRANTS SHALL FILE A FURTHER AMENDMENT THAT
SPECIFICALLY STATES THAT THIS REGISTRATION STATEMENT SHALL
THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF THE
SECURITIES ACT OF 1933, AS AMENDED, OR UNTIL THE REGISTRATION
STATEMENT SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION,
ACTING PURSUANT TO SAID SECTION 8(a), MAY DETERMINE.
<PAGE>
<PAGE>
                             PART II
              INFORMATION NOT REQUIRED IN PROSPECTUS


Item 20.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.

     The Company and each of the Guarantors (except as set forth
below) are incorporated under the laws of the State of Oklahoma. 
Section 1031 of the Oklahoma General Corporation Act authorizes
indemnification of the Company's directors and officers in a
variety of circumstances, which may include liabilities under the
Securities Act of 1933, as amended (the "Securities Act").

     Climate Master, Inc. ("CM") is incorporated under the laws of
the State of Delaware.  Section 145 of the Delaware General
Corporation Law (the "Delaware Law") authorizes indemnification of
CM's directors and officers under a variety of circumstances which
may include liabilities under the Securities Act. 

     The general effect of the foregoing is to provide that each of
the domestic Registrants will indemnify its directors and officers
against all liabilities and expenses actually and reasonably
incurred in connection with the defense or settlement of any
judicial or administrative proceedings in which they have become
involved by reason of their status as corporate directors or
officers, if they acted in good faith and in the reasonable belief
that their conduct was neither unlawful (in the case of criminal
proceedings) nor inconsistent with the best interests of a
particular Registrant.  With respect to legal proceedings by, or in
the right of, a Registrant, in which a director or officer is
adjudged liable for improper performance of his duty to the
Registrant or another enterprise which such person served in a
similar capacity at the request of the Registrant, indemnification
is limited by such provisions to that amount which is permitted by
the court.

     The Environmental Group International Limited ("TEGI") is
incorporated under the laws of the United Kingdom.  Article 13(a)
of TEGI's Articles of Association provides that every director or
other officer of TEGI shall be indemnified out of the assets of
TEGI against all losses or liabilities which he may sustain or
incur in or about the execution of the duties of his office or
otherwise in relation thereto, including any liability incurred by
him in defending any proceedings, whether civil or criminal, or in
connection with any application under certain provisions of the
Companies Act of 1985 in which relief is granted to him by the
court, and no director or other officer shall be liable for any
loss, damage or misfortune which may happen to or be incurred by
TEGI in the execution of the duties of his office or in relation
thereto; provided that Article 13 shall only have effect insofar as
its provisions are not avoided by certain provisions of the
Companies Act of 1985.

     Climate Mate Inc. ("CMI") is incorporated under the laws of
the Province of Ontario, Canada.  Section 2.08 of CM's Bylaws
provides that, except as provided in the Business Corporations Act
of 1982--Ontario, every director and officer of CMI, every former
director and officer of CMI, and every person who acts or acted at
CMI's request as a director or officer of another corporation of
which CMI is, or was, a shareholder or creditor, and his heirs or
legal representatives, shall at all times be indemnified and saved
harmless by CMI from and against all costs, charges and expenses,
including an amount paid to settle any action or satisfy a judgment
reasonably incurred by him in respect of any civil, criminal or
administrative action or proceeding to which he is made a party by
reason of, or having been a director or officer of, CMI or such
other corporation if (a) he acted honestly and in good faith with
a view to the best interests of CMI, and (b) in the case of a
criminal or administrative action or proceeding that is enforced by
monetary penalty, he had reasonable grounds for believing that his
conduct was lawful.

     Total Energy Systems Limited ("TES") and T.E.S. Mining
Services Pty. Ltd. ("TES Mining") are registered under the law of
Queensland, Australia. Article 26.1 of the TES Articles of
Association provide that every officer, auditor or agent of TES is
indemnified by the Company for all liabilities incurred by him in
his capacity as, or by reason of his holding the position of,
officer, auditor or agent, as the case may be, to the extent
permitted by law, and such indemnity extends to any liability
incurred by him in defending any proceedings, whether civil or
criminal, in which judgment is given in his favor or in which he is

                               II-1
<PAGE>
acquitted or in connection with any application in relation to any
such proceedings in which relief is granted to him by the court
under law.  Article 38(a) of the T.E.S. Mining Articles of
Association provides that no director or manager, secretary or
other officer of TES Mining acting in good faith and within the
scope of his duties or what he believes to be the scope of his
duties shall be liable for any loss, damage or misfortune which may
occur whether the same be occasioned by any mistake, error,
oversight or omission on his part or not.

     Total Energy Systems (NZ) Limited ("TES (NZ") is incorporated
under the laws of New Zealand.  Article 11.1 of the Constitution of
TES (NZ) provides that the board of TES (NZ) may cause TES (NZ) to
indemnify a director and former director and former employee or
employee of TES (NZ) or a related company for costs incurred by him
or her in any proceeding that relates to (a) liability for any act
or omission in his or her capacity as a director or employee and
(b) in which judgment is given in his or her favor or in which he
or she is acquitted or which is discontinued.  Article 11.1
provides further that the board may cause TES (NZ) to indemnify a
director or an employee or former director or former employee of
TES (NZ) or a related company in respect of (a) liability to any
person other than TES (NZ) or a related company for any act or
omission in his or her capacity as a director or employee; or (b)
costs incurred by the director or employee in defending or settling
any claim or proceeding relating to any liability under the
foregoing sentence, provided that the liability is not criminal or
(in the case of a director) in respect of a breach of the duty to
act in good faith and in the best interests of TES (NZ) or (in the
case of an employee) in respect of a breach of any fiduciary duty
owed to TES (NZ) or a related company.

     LSB, the Company or a Guarantor Subsidiary maintains officers'
and directors' liability insurance which insures against
liabilities that officers and directors of each Registrant may
incur in such capacities. 

Item 21.  EXHIBITS AND FINANCIAL STATEMENTS SCHEDULES

     (a) Exhibits
<TABLE>
<CAPTION>
Exhibit No.                    Description
__________                     ___________
<S>            <C>
   
    1          Purchase Agreement, dated November 26, 1997,
               between ClimaChem, Inc. and certain subsidiaries of
               ClimaChem, and Wasserstein Perella Securities,
               Inc.*

    3.1        Certificate of Incorporation of ClimaChem, Inc.*

    3.2        Bylaws of ClimaChem, Inc.*

    3.3        Certificate of Incorporation of APR Corporation*

    3.4        Bylaws of APR Corporation*

    3.5        Certificate of Incorporation of CHP Corporation*

    3.6        Bylaws of CHP Corporation*

    3.7        Articles of Incorporation of Climate Master, Inc.*

    3.8        Bylaws of Climate Master, Inc.*

    3.9        Certificate of Incorporation of Climate Mate Inc.*

    3.10       Bylaws of Climate Mate Inc.*

    3.11       Certificate of Incorporation of DSN Corporation*

    3.12       Bylaws of DSN Corporation*

    3.13       Certificate of Incorporation of El Dorado Chemical
               Company*

    3.14       Bylaws of El Dorado Chemical Company*

    3.15       Certificate of Incorporation of International
               Environmental Corporation*
    
                              II-2

Exhibit No.                   Description
___________                   ___________
   
    3.16       Bylaws of International Environmental Corporation*

    3.17       Certificate of Incorporation of KOAX Corp.*

    3.18       Bylaws of KOAX Corp.*

    3.19       Certificate of Incorporation of LSB Chemical Corp.*

    3.20       Bylaws of LSB Chemical Corp.*

    3.21       Certificate of Incorporation of Northwest Financial
               Corporation*

    3.22       Bylaws of Northwest Financial Corporation*

    3.23       Certificate of Incorporation of Slurry Explosive
               Corporation*

    3.24       Bylaws of Slurry Explosive Corporation*

    3.25       Certificate of Incorporation of The Environmental
               Group, Inc.*

    3.26       Bylaws of The Environmental Group, Inc.*

    3.27       Memorandum and Articles of Association of The
               Environmental Group International Ltd.*

    3.28       Certificate of Incorporation and Memorandum and
               Articles of Association of T.E.S. Mining Services
               Pty. Ltd.*

    3.29       Certificate of Incorporation and Constitution of
               Total Energy Systems (NZ) Limited*

    3.30       Memorandum of Association of Total Energy Systems
               Limited*

    3.31       Certificate of Incorporation of Universal Tech
               Corporation*

    3.32       Bylaws of Universal Tech Corporation*

    4.1        Indenture, dated as of November 26, 1997, by and
               among ClimaChem, Inc., the Subsidiary Guarantors
               and Bank One, NA, as trustee, is incorporated by
               reference from Exhibit 4.1 to LSB Industries,
               Inc.'s Form 8-K, dated November 26, 1997.*

    4.2        Registration Rights Agreement, dated as of
               November 26, 1997, by and among ClimaChem, Inc.,
               the Guarantors, and the Initial Purchaser, is
               incorporated by reference from Exhibit 4.2 to LSB
               Industries, Inc.'s Form 8-K, dated November 26,
               1997.*

    4.3        Form of 10 3/4% Senior Notes due 2007 and 10-3/4%
               Series B Senior Notes due 2007 (included in Exhibit
               4.1 as Exhibit A)*

    5.1        Opinion of Conner & Winters, A Professional Corporation**

    5.2        Opinion of Gilbert, Segall & Young, LLP**

    5.3        Opinion of Corrs Chambers Westgarth**

    5.4        Opinion of McLean & Kerr**

    5.5        Opinion of Clyde & Co.**

    5.6        Opinion of Bell Gully Buddle Weir**

    8.1        Opinion of Conner & Winters with respect to certain tax
               matters (included in Exhibit 5.1)**

    10.1       Promissory Note, dated November 26, 1997, executed by LSB
               Industries, Inc. in favor of ClimaChem, Inc.*
    
                                II-3
Exhibit No.                    Description
___________                    ___________
   
    10.2       Amended and Restated Loan and Security Agreement, dated
               November 21, 1997, by and between BankAmerica Business
               Credit, Inc. and Climate Master, Inc., International
               Environmental Corporation, El Dorado Chemical Company,
               and Slurry Explosive Corporation.*

    10.3       Continuing Guaranty, dated November 21, 1997, between
               ClimaChem, Inc. and BankAmerica Business Credit, Inc.*

    10.4       Services Agreement, dated November 21, 1997, between LSB
               Industries, Inc. and ClimaChem, Inc.*

    10.5       Management Agreement, dated November 21, 1997, between
               LSB Industries, Inc. and ClimaChem, Inc.*

    10.6       Tax Sharing Agreement, dated November 21, 1997, between
               LSB Industries, Inc. and ClimaChem, Inc.*

    10.7       Agreement for Purchase and Sale of Anhydrous Ammonia,
               dated as of January 1, 1997, between El Dorado Chemical
               Company and Farmland Industries, Inc. is incorporated by
               reference from Exhibit 10.10 to LSB Industries, Inc.'s
               Form 10-K for the fiscal year ended December 31, 1996.*

    10.8       Lease Agreement, dated November 12, 1987, between Climate
               Master, Inc. and West Point Company and amendments
               thereto is incorporated by reference from Exhibits 10.32,
               10.36, and 10.37 to LSB Industries, Inc.'s Form 10-K for
               the fiscal year ended December 31, 1988.*

    10.9       Severance Agreement, dated January 17, 1989, between LSB
               Industries, Inc. and Jack E. Golsen, is incorporated by
               reference from Exhibit 10.48 to LSB Industries, Inc.'s
               Form 10-K for the fiscal year ended December 31, 1988. 
               LSB Industries, Inc. also entered into identical
               agreements with Tony M. Shelby, David R. Goss, Barry H.
               Golsen, David M. Shear, and Jim D. Jones, and the Company
               will provide copies thereof to the Commission upon
               request.*

   10.10       Employment Agreement and Amendment to Severance
               Agreement, dated January 12, 1989, between LSB
               Industries, Inc. and Jack E. Golsen, dated March 21,
               1996, is incorporated by reference from Exhibit 10.15 to
               LSB Industries, Inc.'s Form 10-K for the fiscal year
               ended December 31, 1995.*

   10.11       Processing Agreement, dated January 1, 1994, between
               Monsanto Company and El Dorado Chemical Company is
               incorporated by reference from Exhibit 10.22 to LSB
               Industries, Inc.'s Form 10-K for the fiscal year ended
               December 31, 1994.*

   10.12       Loan and Security Agreement (DSN Plant), dated
               October 31, 1994, between DSN Corporation and The CIT
               Group/Equipment Financing, Inc. is incorporated by
               reference from Exhibit 10.1 to LSB Industries, Inc.'s
               Form 10-Q for the fiscal quarter ended September 30,
               1994.*

   10.13       First Amendment to Loan and Security Agreement (DSN
               Plant), dated June 1, 1995, between DSN Corporation and
               The CIT Group/Equipment Financing, Inc.*

   10.14       Loan and Security Agreement (Mixed Acid Plant), dated
               April 5, 1995, between DSN Corporation and The CIT
               Group/Equipment Financing, Inc. is incorporated by
               reference from Exhibit 10.25 to LSB Industries, Inc.'s
               Form 10-K for the fiscal year ended December 31, 1994.*

   10.15       First Amendment to Loan and Security Agreement (Mixed
               Acid Plant), dated November 15, 1995, between DSN
               Corporation and The CIT Group/Equipment Financing, Inc.*

   10.16       Loan and Security Agreement (Rail Tank Cars), dated
               November 15, 1995, between DSN Corporation and The CIT
               Group/Equipment Financing, Inc.*

   10.17       First Amendment to Loan and Security Agreement (Rail Tank
               Cars), dated November 15, 1995, between DSN Corporation
               and the CIT Group/Equipment Financing, Inc.*
    

                               II-4

Exhibit No.                    Description
___________                    ___________
   
   10.18       Letter amendment, dated May 14, 1997, to Loan and
               Security Agreement between DSN Corporation and The CIT
               Group/Equipment Financing, Inc. is incorporated by
               reference from Exhibit 10.1 to LSB Industries, Inc.'s
               Form 10-Q for the fiscal quarter ended March 31, 1997.*

   10.19       Amendment to Loan and Security Agreement, dated
               November 21, 1997, between DSN Corporation and The CIT
               Group/Equipment Financing, Inc.*

   10.20       Guaranty Agreement, dated November 21, 1997, executed by
               ClimaChem, Inc. in favor of The CIT Group/Equipment
               Financing, Inc.*

   10.21       Promissory Note, dated July 14, 1989, from Climate
               Master, Inc. to Oklahoma County Finance Authority*

   10.22       Extension of Maturity on Promissory Note, dated
               February 7, 1997, relating to the Promissory Note, dated
               July 14, 1989, from Climate Master, Inc. to Oklahoma
               County Finance Authority*

   10.23       Mortgage of Tenant's Interest in Lease, dated July 1,
               1989, executed by Climate Master, Inc. in favor of the
               Oklahoma County Finance Authority*

   10.24       Project Loan Agreement, dated July 1, 1989, between
               Climate Master, Inc., and the Oklahoma County Finance
               Authority*

   10.25       Hire-Purchase Agreement, dated November 21, 1994, between
               Total Energy Systems Limited and Toyota Finance Australia
               Limited*

   10.26       Lease Agreement, dated October 25, 1996, between Total
               Energy Systems Limited and Sanwa Australia Finance
               Limited.  Total Energy Systems Limited has entered into
               a second Lease Agreement which is substantially
               identical, copies of which will be provided to the
               Commission upon request.*

   10.27       Master Lease Agreement, dated October 10, 1995, between
               Total Energy Systems (NZ) Limited and GE Capital (NZ)
               Limited*

   10.28       Master Lease Agreement, dated December 15, 1994, between
               Total Energy Systems Limited and KE Financial Corporation
               Limited*

   10.29       Land Lease, dated March 1, 1995, between DSN Corporation
               and Koch Sulphur Products Company*

   10.30       Promissory Note, dated June 2, 1997, executed by
               International Environmental Corporation in favor of ORIX
               Credit Alliance, Inc.*

   10.31       Security Agreement-Mortgage on Goods and Chattels dated
               April 18, 1997, executed by International Environmental
               Corporation in favor of ORIX Credit Alliance, Inc.*

   10.32       Lease Agreement, dated March 7, 1988, between Northwest
               Financial Corporation and International Environmental
               Corporation*

   10.33       First Amendment, dated August 17, 1995, to Lease
               Agreement dated March 7, 1988, between Prime Financial
               Corporation and International Environmental Corporation*

   10.34       Assignment, dated August 17, 1995, between Northwest
               Financial Corporation and Prime Financial Corporation*

   10.35       Loan and Security Agreement, dated March 14, 1995,
               between International Environmental Corporation and
               MetLife Capital Corporation*

   10.36       Lease Agreement, dated April 3, 1996, between Amplicon
               Financial and International Environmental Corporation*
    
                               II-5

Exhibit No.                   Description
___________                   ___________
   
   10.37       Equipment Purchase and Security Agreement, dated
               February 1, 1994, between U. S. Amada Ltd. and Climate
               Master, Inc.  Climate Master has entered into three other
               Equipment Purchase and Security Agreements which are
               substantially identical in all material respects except
               the principal amount is $380,000, $88,000, and $330,000,
               respectively.  Copies of each of the foregoing will be
               provided to the Commission upon request.*

   10.38       Facility Letter, dated August 20, 1997, between Bank of
               New Zealand, Australia, and Total Energy Systems Limited*

   10.39      Variation Letter, dated February 10, 1998, between Bank
              of New Zealand, Australia, and Total Energy Systems
              Limited*

   10.40      Debenture Charge, dated March 7, 1995, between Total
              Energy Systems Limited and Bank of New Zealand.  T.E.S.
              Mining Services Pty. Ltd. and Total Energy Systems (NZ)
              Limited are each parties to substantially identical
              Debentures, copies of which will be provided to the
              Commission upon request.*

   10.41      Master Commercial Hire and Purchase Agreement (New South
              Wales), dated November 14, 1994, between G.E. Capital
              Australia Limited and Total Energy Systems Limited*

   10.42      Master Commercial Hire Purchase Agreement (Western
              Australia), dated November 14, 1994, between G.E. Capital
              Australia Limited and Total Energy Systems Limited*

   10.43      Master Commercial Hire Purchase Agreement (Queensland),
              dated November 14, 1994, between G.E. Capital Australia
              Limited and Total Energy Systems Limited*

   10.44      Anhydrous Ammonia Sales Agreement, dated May 28, 1997,
              to be effective January 1, 1997, between Koch Nitrogen
              Company and El Dorado Chemical Company is incorporated by
              reference from Exhibit 10.1 to the Quarterly Report on
              Form 10-Q of LSB Industries, Inc., the parent of  the
              Company, as filed on August 19, 1997.  CERTAIN
              INFORMATION WITHIN THIS EXHIBIT HAS BEEN OMITTED AS IT
              IS THE SUBJECT OF COMMISSION ORDER CF #5551, DATED
              SEPTEMBER 25, 1997, GRANTING A REQUEST FOR CONFIDENTIAL
              TREATMENT UNDER THE FREEDOM OF INFORMATION ACT AND THE
              SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.*

   10.45      Baytown Nitric Acid Project and Supply Agreement dated
              June 27, 1997, by and among El Dorado Nitrogen Company,
              El Dorado Chemical Company and Bayer Corporation is
              incorporated by reference from Exhibit 10.2 to the
              Quarterly Report on Form 10-Q of LSB Industries, Inc.,
              the parent of  the Company, as filed on August 19, 1997. 
              CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN OMITTED
              AS IT IS THE SUBJECT OF COMMISSION ORDER CF #5551, DATED
              SEPTEMBER 25, 1997, GRANTING A REQUEST FOR CONFIDENTIAL
              TREATMENT UNDER THE FREEDOM OF INFORMATION ACT AND THE
              SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.*

   10.46      Services Agreement, dated June 27, 1997, between Bayer
              Corporation and El Dorado Nitrogen Company is
              incorporated by reference from Exhibit 10.3 to the
              Quarterly Report on Form 10-Q of LSB Industries, Inc.,
              the parent of  the Company, as filed on August 19, 1997. 
              CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN OMITTED
              AS IT IS THE SUBJECT OF COMMISSION ORDER CF #5551, DATED
              SEPTEMBER 25, 1997, GRANTING A REQUEST FOR CONFIDENTIAL
              TREATMENT UNDER THE FREEDOM OF INFORMATION ACT AND THE
              SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.*

   10.47      Ground Lease dated June 27, 1997, between Bayer
              Corporation and El Dorado Nitrogen Company is
              incorporated by reference from Exhibit 10.4 to the
              Quarterly Report on Form 10-Q of LSB Industries, Inc.,
              the parent of the Company, as filed on August 19, 1997.*
    
                               II-6

Exhibit No.                    Description
___________                    ___________
   
   10.48      Participation Agreement, dated as of June 27, 1997,
              among El Dorado Nitrogen Company, Boatmen's Trust 
              Company of Texas as Owner Trustee, Security Pacific 
              Leasing Corporation, as Owner Participant and a 
              Construction Lender, Wilmington Trust Company, 
              Bayerische Landesbank, New York Branch, as a 
              Construction Lender and the Note Purchaser, and Bank 
              of America National Trust and Savings Association, as 
              Construction Loan Agent is incorporated by reference 
              from Exhibit 10.5 to the Quarterly Report on Form 10-Q 
              of LSB Industries, Inc., the parent of  the Company, as 
              filed on August 19, 1997.  CERTAIN INFORMATION WITHIN 
              THIS EXHIBIT HAS BEEN OMITTED AS IT IS THE SUBJECT OF 
              COMMISSION ORDER CF #5551, DATED SEPTEMBER 25, 1997,
              GRANTING A REQUEST FOR CONFIDENTIAL TREATMENT UNDER
              THE FREEDOM OF INFORMATION ACT AND THE SECURITIES
              EXCHANGE ACT OF 1934, AS AMENDED.*

   10.49      Lease Agreement, dated as of June 27, 1997, between
              Boatmen's Trust Company of Texas as Owner Trustee and El
              Dorado Nitrogen Company is incorporated by reference from
              Exhibit 10.6 to the Quarterly Report on Form 10-Q of LSB
              Industries, Inc., the parent of the Company, as filed on
              August 19, 1997.*

   10.50      Security Agreement and Collateral Assignment of
              Construction Documents, dated as of June 27, 1997, made
              by El Dorado Nitrogen Company is incorporated by
              reference from Exhibit 10.7 to the Quarterly Report on
              Form 10-Q of LSB Industries, Inc., the parent of the
              Company, as filed on August 19, 1997.*

   10.51      Security Agreement and Collateral Assignment of Facility
              Documents, dated as of June 27, 1997, made by El Dorado
              Nitrogen Company and consented to by Bayer Corporation 
              is incorporated by reference from Exhibit 10.8 to the
              Quarterly Report on Form 10-Q of LSB Industries, Inc.,
              the parent of the Company, as filed on August 19, 1997.*

   10.52      Union Contracts, dated August 5, 1995, by and between EDC
              and the Oil, Chemical and Atomic Workers, the
              International Association of Machinists and Aerospace
              Workers, and the United Steel Workers of America, dated
              November 1, 1995, is incorporated by reference from
              Exhibit 10.7 to LSB Industries, Inc.'s Form 10-K for the
              fiscal year ended December 31, 1995.*

   10.53      First Amendment to Amended and Restated Loan and Security
              Agreement, dated March 12, 1998, between BankAmerica
              Business Credit, Inc. and Climate Master, Inc.,
              International Environmental Corporation, El Dorado
              Chemical Company and Slurry Explosive Corporation.*

   10.54      Amendment to Loan and Security Agreement, dated March 16,
              1998, between The CIT Group/Equipment Financing, Inc. and
              DSN Corporation.*

   10.55      Waiver Letter, dated March 16, 1998, from BankAmerica
              Business Credit, Inc.*

   12.1       Ratio of Earnings to Fixed Charges*

   21.1       Subsidiaries of ClimaChem, Inc.*

   23.1       Consent of Ernst & Young LLP**

   23.2       Consent of Conner & Winters, A Professional Corporation
              (included in Exhibit 5.1)**

   23.3       Consent of Gilbert, Segall & Young, LLP (included in
              Exhibit 5.2)**

   23.4       Consent of Corrs Chambers Westgarth (included in Exhibit
              5.3)**

   23.5       Consent of McLean & Kerr (included in Exhibit 5.4)**

   23.6       Consent of Clyde & Co. (included in Exhibit 5.5)**

   23.7       Consent of Bell Gully Buddle Weir (included in Exhibit
              5.6)**
    
                              II-7

Exhibit No.                   Description
___________                   ___________
   
   24.1       Powers of Attorney (included in signature pages to the
              original Registration Statement as previously filed)*

   25.1       Statement of Eligibility of Trustee on Form T-1*

   27.1       Financial Data Schedule*

   99.1       Form of Letter of Transmittal*

   99.2       Form of Notice of Guaranteed Delivery*

   99.3       Form of Tender Instruction*

   99.4       Exchange Agent Agreement, dated February ___, 1998,
              between Bank One, NA, as Exchange Agent, and each of the
              Registrants*
    
<FN>
*  Previously filed.
**Filed herewith.
</FN>
</TABLE>
     (b) Financial Statement Schedule

           Report of Independent Auditors
           Schedule II - Valuation of Qualifying Allowances

     The Company has omitted all other schedules because the
conditions requiring their filing do not exist or because the
required information appears in the Company's Consolidated
Financial Statements, including the notes thereto.

                           UNDERTAKINGS

     Insofar as indemnification for liabilities arising under the
Securities Act may be permitted to directors, officers and
controlling persons of the Registrant pursuant to the
indemnification provisions described herein, or otherwise, the
Registrant has been advised that in the opinion of the Commission
such indemnification is against public policy as expressed in the
Securities Act and is, therefore, unenforceable. In the event that
a claim for indemnification against such liabilities (other than
the payment by the Company of expenses incurred or paid by a
director, officer or controlling person of the Company in the
successful defense of any action, suit or proceeding) is asserted
by such director, officer or controlling person in connection with
the securities being registered, the Company will, unless in the
opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public
policy as expressed in the Securities Act and will be governed by
the final adjudication of such issue.

     The undersigned registrants hereby undertake to respond to
requests for information that is incorporated by reference into the
prospectus pursuant to Item 4, 10(b), 11 or 13 of this form, within
one business date of receipt of such request, and to send the
incorporated documents by first class mail or other equally prompt
means.  This includes information contained in documents filed
subsequent to the effective date of the registration statement
through the date of responding to the request.

     The undersigned registrants hereby undertake to supply by
means of a post-effective amendment all information concerning a
transaction and the company being acquired involved therein, that
was not the subject of and included in the registration statement
when it became effective.

     The undersigned registrants hereby undertake to:

               (1)  File, during any period in which it offers or sells
                    securities, a post-effective amendment to this
                    registration statement to:

                         (i)  Include any prospectus required by section 
                              10(a)(3) of the Securities Act;

                                II-8
<PAGE>
                        (ii)  Reflect in the prospectus any facts or events
                              arising after the effective date of the
                              registration statement (or the most recent
                              post-effective amendment thereof) which,
                              individually or in the aggregate, represent a
                              fundamental change in the information in the
                              registration statement.  Notwithstanding the
                              foregoing, any increase or decrease in volume
                              of securities offered (if the total dollar
                              value of securities offered would not exceed
                              that which was registered) and any deviation
                              from the low or high end of the estimated
                              maximum offering range may be reflected in the
                              form of prospectus filed with the Commission
                              pursuant to Rule 424(b) if, in the aggregate,
                              the changes in volume and price represent no
                              more than a 20% change in the maximum
                              aggregate offering price set forth in the
                              "Calculation of Registration Fee" table in the
                              effective registration statement.

                    (iii)     Include any material information with respect
                              to the plan of distribution not previously
                              disclosed in the registration statement or any
                              material change to such information in the
                              registration statement.

              (2)  For the purpose of determining liability under the
                   Securities Act, each such post-effective amendment shall
                   be treated as a new registration statement relating to
                   the securities offered therein, and the offering of the
                   securities at that time shall be deemed to be the initial
                   bona fide offering thereof.

             (3)   Remove from registration by means of a post-effective
                   registration statement any of the securities that remain
                   unsold at the termination of the offering.








                                 II-9
<PAGE>
<PAGE>
     



                REPORT OF INDEPENDENT AUDITORS 
                                





The Board of Directors and Stockholders 
ClimaChem, Inc. 

     We have audited the consolidated balance sheets of ClimaChem,
Inc. as of December 31, 1996, and 1997, and the related
consolidated statements of operations and retained earnings and
cash flows for each of the three years in the period ended
December 31, 1997, and have issued our report thereon dated March 16, 
1998 (included elsewhere in this Registration Statement). Our audits
also included the financial statement schedule listed in Item 21(b)
of this Registration Statement. This schedule is the responsibility
of the Company's management. Our responsibility is to express an
opinion based on our audits.

     In our opinion, the financial statement schedule referred to
above, when considered in relation to the basic financial
statements taken as a whole, presents fairly in all material
respects the information set forth therein.


                                         /s/ Ernst & Young

                                        Ernst & Young LLP

Oklahoma City, Oklahoma
March 16, 1998


                               II-10
<PAGE>
<TABLE>
<CAPTION>
<PAGE>
                         ClimaChem, Inc.

         Schedule II - Valuation and Qualifying Accounts

           Years ended December 31, 1997, 1996 and 1995

                      (Dollars in Thousands)



                                          Additions   Deductions
                                         ___________ ____________
                            Balance at   Charged to   Write-offs/   Balance
                            Beginning    Costs and      Costs       at End
         Description         of Year     Expenses      Incurred     of Year
_____________________________________________________________________________
<S>                         <C>          <C>          <C>           <C>
Accounts Receivable 
allowance for doubtful
accounts(1)
     1997                  $ 1,296    $   521          $  339       $  1,478

     1996                  $ 1,424    $   280          $  408       $  1,296

     1995                  $ 1,433    $   756          $  765       $  1,424

Notes Receivable 
allowance for doubtful
accounts(1):
  1997                     $ 1,515    $   175          $    --      $ 1,690

  1996                     $   500    $ 1,015          $    --      $ 1,515
 
  1995                     $   500    $    --          $    --      $   500

<FN>
(1)  Deducted in the balance sheet from the related assets to which the reserve
     applies
</FN>
</TABLE>

                                II-11
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   ClimaChem, Inc.

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, President
                                      and Chief Executive Officer

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

    Signature             Capacity                    Date
    _________             ________                    ____

/s/ Jack E. Golsen
__________________  President, Chief Executive    April 10, 1998
Jack E. Golsen      Officer, Chairman of the
                    Board and Director
                    (Principal Executive Officer)

        *
__________________  Vice President, Vice          April 10, 1998
Barry H. Golsen     Chairman of the Board
                    and Director

        *
__________________  Vice President and Chief 
Tony M. Shelby      Financial Officer and
                    Director                      April 10, 1998
                    (Principal Financial Officer)

        *
__________________  Vice President and Director   April 10, 1998
David R. Goss

        *
__________________  Vice President and Treasurer  April 10, 1998
Jim D. Jones        (Principal Accounting Officer)

        *
__________________  Director                      April 10, 1998
Raymond B. Ackerman
     
        *
__________________  Director                      April 10, 1998
Robert C. Brown
    
                             II-12
<PAGE>
<PAGE>
        *
__________________  Director                      April 10, 1998
Bernard G. Ille

        *
__________________  Director                      April 10, 1998
Horace G. Rhodes

        *
__________________  Director                      April 10, 1998
Jerome D. Shaffer
    

*By: /s/ Jack E. Golsen
    ___________________
    Jack E. Golsen
    Attorney-in-fact


                               II-13
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   APR Corporation

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, 
                                      Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:


      Signature              Capacity                   Date
      _________              ________                   ____

/s/ Jack E. Golsen
__________________  Chairman of the Board         April 10, 1998
Jack E. Golsen      and Director
     
         *
__________________  President; Director           April 10, 1998
Barry H. Golsen     (Principal Executive Officer)

         *
__________________  Vice President, Treasurer     April 10, 1998
David R. Goss       Secretary and Director
                    (Principal Accounting Officer)
         *
__________________  Vice President                April 10, 1998
Tony M. Shelby      (Principal Financial Officer)

    
*By: /s/ Jack E. Golsen
     ________________________
     Jack E. Golsen
     Attorney-in-fact


                              II-14
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused Amendment No. 1 to the Registration
Statement on Form S-4 to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   CHP Corporation

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, 
                                      Chairman of the Board


     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

     Signature             Capacity                 Date
     _________             ________                 _____

/s/ Jack E. Golsen  
__________________  Chairman of the Board         April 10, 1998
Jack E. Golsen      and Director

         *
__________________  President and Director        April 10, 1998
Barry H. Golsen     (Principal Executive Officer)

         *
__________________  Vice President, Secretary     April 10, 1998
David R. Goss       and Director

        *
__________________  Vice President                April 10, 1998
Tony M. Shelby      (Principal Financial/
                    Accounting Officer)
    

*By: /s/ Jack E. Golsen
   _______________________
   Jack E. Golsen
   Attorney-in-fact


                               II-15
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   Climate Master, Inc.

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, 
                                      Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

      Signature               Capacity                  Date
      _________               ________                  ____

/s/ Jack E. Golsen  
__________________  Chairman of the Board         April 10, 1998
Jack E. Golsen      and Director
     
       *
__________________  Chief Executive Officer,      April 10, 1998 
Steven J. Golsen    Co-Chairman of the Board
                    and Director
                    (Principal Executive Officer)
     
       *
__________________  Executive Vice President and  April 10, 1998
Barry H. Golsen     Director

       *
__________________  Vice President, Secretary     April 10, 1998
David R. Goss       and Director

       *
__________________  Vice President and Treasurer  April 10, 1998
Tony M. Shelby      (Principal Financial/
                    Accounting Officer)
    
     *By: /s/ Jack E. Golsen
   _________________________
   Jack E. Golsen
   Attorney-in-fact

                                II-16
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   Climate Mate Inc.


                                   By: /s/ David R. Goss
                                     ____________________________
                                     David R. Goss, President

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

      Signature             Capacity                    Date
      _________             ________                    ____

/s/ David R. Goss                                                 
_________________   President, Treasurer          April 10, 1998
David R. Goss       and Director
                    (Principal Executive/
                    Financial/Accounting
                    Officer)

         *
__________________  Director                      April 10, 1998
Arlene Wolfe
    

*By: /s/ Jack E. Golsen
    _____________________
    Jack E. Golsen
    Attorney-in-fact


                              II-17
<PAGE>
<PAGE>
                             SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   DSN Corporation

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, President

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

       Signature              Capacity                Date
       _________              ________                ____

/s/ Jack E. Golsen
__________________  President, Chairman of         April 10, 1998
Jack E. Golsen      the Board and Director
                    (Principal Executive Officer)
        * 
________________  Vice President and Director      April 10, 1998
Barry H. Golsen

        *
__________________  Vice President, Treasurer      April 10, 1998
Tony M. Shelby      and Director 
                    (Principal Financial/
                     Accounting Officer)
        *
__________________  Vice President, Secretary      April 10, 1998
David R. Goss       and Director

    
*By: /s/ Jack E. Golsen
       _________________________
       Jack E. Golsen
       Attorney-in-fact

                               II-18
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   El Dorado Chemical Company

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, 
                                      Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

     Signature             Capacity                    Date
     _________             ________                    ____
     
/s/ Jack E. Golsen
__________________  Chairman of the Board         April 10, 1998
Jack E. Golsen      and Director

        *
__________________  President, Treasurer and      April 10, 1998
James L. Wewers     Director
                    (Principal Executive/
                    Financial/Accounting Officer)
        *
__________________  Senior Vice President and     April 10, 1998
Phil Gough          Director

        *
__________________  Senior Vice President and     April 10, 1998
Dick Milliken       Director

        *
__________________  Senior Vice President and     April 10, 1998
Paul Rydlund        Director
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                              II-19
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   The Environmental Group, Inc.

                                   By:   /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, 
                                      Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

       Signature             Capacity                    Date
       _________             ________                    ____

/s/ Jack E. Golsen  
__________________  Chairman of the Board and     April 10, 1998
Jack E. Golsen      Director

     *
__________________  President and Director        April 10, 1998
Barry H. Golsen     (Principal Executive Officer)

     *
__________________  Executive Vice President      April 10, 1998
Steven J. Golsen    and Director

     *
__________________  Secretary, Treasurer and      April 10, 1998
David R. Goss       Director 
                   (Principal Financial Officer)

     *
__________________  Controller                    April 10, 1998
Jerry Snellen       (Principal Accounting Officer)
    
*By: /s/ Jack E. Golsen
    _____________________
    Jack E. Golsen
    Attorney-in-fact

                               II-20
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   The Environmental Group 
                                   International Limited

                                   By: /s/ Barry H. Golsen
                                      ___________________________
                                      Barry H. Golsen, Director

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

      Signature             Capacity                    Date
      _________             ________                    ____

/s/Barry H. Golsen                                                
___________________  Director                      April 10, 1998
Barry H. Golsen     (Principal Executive Officer)

        *
__________________  Assistant Secretary and       April 10, 1998
Cathy Horton        Director

        *
__________________  Director                      April 10, 1998
David R. Goss       (Principal Financial/
                    Accounting Officer)
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                               II-21
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   International Environmental
                                   Corporation

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen,
                                      Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

    Signature              Capacity                   Date
    _________              ________                   ____

/s/ Jack E. Golsen  
__________________  Chairman of the Board         April 10, 1998
Jack E. Golsen      and Director

         *     
__________________  Chief Executive Officer,      April 10, 1998
Barry H. Golsen     Co-Chairman of the Board
                    and Director
                    (Principal Executive Officer)

         *
__________________  Vice President, Secretary,    April 10, 1998
David R. Goss       Treasurer and Director

         *
__________________  Vice President                April 10, 1998
Tony M. Shelby      (Principal Financial/
                    Accounting Officer)
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                            II-22
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   Koax Corp.

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, 
                                      Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

     Signature              Capacity                   Date
     _________              ________                   _____

/s/ Jack E. Golsen  
__________________  Chairman of the Board         April 10, 1998
Jack E. Golsen      and Director

        * 
__________________  President and Director        April 10, 1998
Barry H. Golsen     (Principal Executive Officer)

        *
__________________  Vice President and Director   April 10, 1998
David R. Goss

        *
__________________  Vice President                April 10, 1998
Tony M. Shelby      (Principal Financial/
                    Accounting Officer)
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                              II-23
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   LSB Chemical Corp.

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen,
                                      Chief Executive Officer

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

      Signature              Capacity                   Date
      _________              ________                   ____

/s/ Jack E. Golsen  
__________________  Chief Executive Officer,      April 10, 1998
Jack E. Golsen      Chairman of the Board and 
                    Director
                    (Principal Executive Officer)

      *   
__________________  President and Director        April 10, 1998
James L. Wewers

      *
__________________  Vice President and Director   April 10, 1998
Barry H. Golsen

      *
__________________  Vice President, Secretary     April 10, 1998
Tony M. Shelby      and Director (Principal 
                    Financial/Accounting Officer)

      *
__________________  Vice President, Treasurer     April 10, 1998
David R. Goss       and Director 
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                                II-24
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   Northwest Financial Corporation

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, President 
                                      and Chief Executive Officer 

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

      Signature              Capacity                   Date
      _________              ________                   ____

/s/ Jack E. Golsen  
__________________  President, Chief Executive    April 10, 1998
Jack E. Golsen      Officer, Chairman of the
                    Board and Director
                    (Principal Executive Officer)
        * 
__________________  Vice President, Treasurer,    April 10, 1998
Tony M. Shelby      Secretary and Director
                    (Principal Financial/
                    Accounting Officer)

        *
__________________  Vice President and Director   April 10, 1998
Barry H. Golsen
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                               II-25
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   Slurry Explosive Corporation

                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, 
                                      Chief Executive Officer
                                      and Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

     Signature              Capacity                   Date
     _________              _______                    ____
     
/s/ Jack E. Golsen
__________________  Chief Executive Officer,      April 10, 1998
Jack E. Golsen      Chairman of the Board and 
                    Director
                    (Principal Executive Officer)
       *
__________________  President and Director        April 10, 1998
William Manion
     
       *
__________________  Vice President and Director   April 10, 1998
James L. Wewers

       *
__________________  Vice President, Treasurer,    April 10, 1998
Paul Keeling        Secretary and Director
                    (Principal Accounting Officer)
       *  
__________________  Vice President and Director   April 10, 1998
Tony M. Shelby      (Principal Financial Officer)

       *
__________________  Vice President and Director   April 10, 1998
David R. Goss
    
*By: /s/ Jack E. Golsen
    ___________________
    Jack E. Golsen
    Attorney-in-fact

                               II-26
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   T.E.S. Mining Services Pty. Ltd.


                                   By: /s/ James L. Wewers
                                      ___________________________
                                      James L. Wewers, Director

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

      Signature              Capacity                   Date
      _________              ________                   ____

/s/ James L. Wewers
__________________  Director                      April 10, 1998
James L. Wewers     (Principal Executive Officer)
     
        *
__________________  Director                      April 10, 1998
Kevin J. Harman     (Principal Financial/
                    Accounting Officer)

        *
__________________  Director                      April 10, 1998
Paul Rydlund

        *
__________________  Director                      April 10, 1998
William R. Manion
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                             II-27
<PAGE>
<PAGE>
                               SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   Total Energy Systems Limited

                                   By: /s/ James L. Wewers
                                      ___________________________
                                      James L. Wewers,
                                      Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

       Signature              Capacity                   Date
       _________              ________                   ____

/s/ James L. Wewers      
__________________  Vice President and            April 10, 1998
James L. Wewers     Chairman of the Board
                    (Principal Executive Officer)
        * 
__________________  Managing Director             April 10, 1998
Kevin Harman        (Principal Financial/
                    Accounting Officer)

        *
__________________  Director                      April 10, 1998
Paul Rydlund

        *
__________________  Director                      April 10, 1998
William Manion

        *
__________________  Director                      April 10, 1998
Peter Geroff
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                                II-28
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   Total Energy Systems (NZ)
                                   Limited

                                   By: /s/ James L. Wewers
                                      ___________________________
                                      James L. Wewers, Director

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

        Signature              Capacity                   Date
        _________              ________                   ____

/s/ James L. Wewers                                      
___________________  Director                      April 10, 1998
James L. Wewers      (Principal Executive Officer)
     
        *
___________________  Director                      April 10, 1998
Kevin Harman         (Principal Financial/
                     Accounting Officer)

        *
__________________   Director                      April 10, 1998
Paul Rydlund

        *
__________________   Director                      April 10, 1998
William R. Manion
    
*By: /s/ Jack E. Golsen
    ____________________
    Jack E. Golsen
    Attorney-in-fact

                              II-29
<PAGE>
<PAGE>
                            SIGNATURES
   
     Pursuant to the requirements of the Securities Act of 1933,
the Company has duly caused this Amendment No. 1 to the
Registration Statement on Form S-4 to be signed on behalf by the
undersigned, thereunto duly authorized, in the City of Oklahoma
City, State of Oklahoma on April 10, 1998.

                                   Universal Tech Corporation


                                   By: /s/ Jack E. Golsen
                                      ___________________________
                                      Jack E. Golsen, 
                                      Chairman of the Board

     Pursuant to the requirements of the Securities Act of 1933,
this Amendment No. 1 to the Registration Statement has been signed
by the following persons in the capacities and on the dated
indicated:

    Signature              Capacity                   Date
    _________              ________                   _____

/s/ Jack E. Golsen
__________________  Chairman of the Board         April 10, 1998
Jack E. Golsen      and Director

        *
__________________  President and Director        April 10, 1998
Oldrich Machacek    (Principal Executive Officer)

        * 
__________________  Vice President and Director   April 10, 1998
James L. Wewers

        *
__________________  Vice President, Treasurer,    April 10, 1998
Tony M. Shelby      Secretary and Director
                    (Principal Financial/
                    Accounting Officer)
        *
__________________  Assistant Secretary and       April 10, 1998
David M. Shear      Director
    
*By: /s/ Jack E. Golsen
    ___________________
    Jack E. Golsen
    Attorney-in-fact


                              II-30

<PAGE>
<PAGE>
<TABLE>
<CAPTION>
                          EXHIBIT INDEX
                          _____________



Exhibit No.             Description                    Page No.
__________              ___________                    ________
<S>            <C>                                     <C>
    1          Purchase Agreement, dated November 26,
               1997, between ClimaChem, Inc. and 
               certain subsidiaries of ClimaChem, and 
               Wasserstein Perella Securities, Inc.*

    3.1        Certificate of Incorporation of 
               ClimaChem, Inc.*

    3.2        Bylaws of ClimaChem, Inc.*

    3.3        Certificate of Incorporation of APR 
               Corporation*

    3.4        Bylaws of APR Corporation*

    3.5        Certificate of Incorporation of CHP 
               Corporation*

    3.6        Bylaws of CHP Corporation*

    3.7        Articles of Incorporation of Climate 
               Master, Inc.*

    3.8        Bylaws of Climate Master, Inc.*

    3.9        Certificate of Incorporation of Climate
               Mate Inc.*

    3.10       Bylaws of Climate Mate Inc.*

    3.11       Certificate of Incorporation of DSN 
               Corporation*

    3.12       Bylaws of DSN Corporation*

    3.13       Certificate of Incorporation of El 
               Dorado Chemical Company*

    3.14       Bylaws of El Dorado Chemical Company*

    3.15       Certificate of Incorporation of 
               International Environmental 
               Corporation*

    3.16       Bylaws of International Environmental 
               Corporation*

    3.17       Certificate of Incorporation of KOAX 
               Corp.*

    3.18       Bylaws of KOAX Corp.*

    3.19       Certificate of Incorporation of LSB 
               Chemical Corp.*

    3.20       Bylaws of LSB Chemical Corp.*

    3.21       Certificate of Incorporation of 
               Northwest Financial Corporation*

    3.22       Bylaws of Northwest Financial 
               Corporation*

    3.23       Certificate of Incorporation of Slurry 
               Explosive Corporation*

    3.24       Bylaws of Slurry Explosive Corporation*

    3.25       Certificate of Incorporation of The 
               Environmental Group, Inc.*

    3.26       Bylaws of The Environmental Group, Inc.*

                               -1-

Exhibit No.                 Description                        Page No.
___________                 ___________                        ________

    3.27       Memorandum and Articles of Association 
               of The Environmental Group International
               Ltd.*

    3.28       Certificate of Incorporation and Memorandum
               and Articles of Association of T.E.S. 
               Mining Services Pty. Ltd.*

    3.29       Certificate of Incorporation and 
               Constitution of Total Energy Systems 
               (NZ) Limited*

    3.30       Memorandum of Association of Total Energy
               Systems Limited*

    3.31       Certificate of Incorporation of Universal
               Tech Corporation*

    3.32       Bylaws of Universal Tech Corporation*

    4.1        Indenture, dated as of November 26, 1997, 
               by and among ClimaChem, Inc., the 
               Subsidiary Guarantors and Bank One, NA, 
               as trustee, is incorporated by reference 
               from Exhibit 4.1 to LSB Industries, 
               Inc.'s Form 8-K, dated November 26, 1997.*

    4.2        Registration Rights Agreement, dated as 
               of November 26, 1997, by and among 
               ClimaChem, Inc., the Guarantors, and the 
               Initial Purchaser, is incorporated by 
               reference from Exhibit 4.2 to LSB 
               Industries, Inc.'s Form 8-K, dated 
               November 26, 1997.*

    4.3        Form of 10 3/4% Senior Notes due 2007 and 
               10-3/4% Series B Senior Notes due 2007 
               (included in Exhibit 4.1 as Exhibit A)*

    5.1        Opinion of Conner & Winters, A Professional
               Corporation**

    5.2        Opinion of Gilbert, Segall & Young, LLP**

    5.3        Opinion of Corrs Chambers Westgarth**

    5.4        Opinion of McLean & Kerr**

    5.5        Opinion of Clyde & Co.**

    5.6        Opinion of Bell Gully Buddle Weir**

    8.1        Opinion of Conner & Winters with respect 
               to certain tax matters (included in 
               Exhibit 5.1)**

   10.1        Promissory Note, dated November 26, 1997,
               executed by LSB Industries, Inc. in favor 
               of ClimaChem, Inc.*

   10.2        Amended and Restated Loan and Security 
               Agreement, dated November 21, 1997, by and 
               between BankAmerica Business Credit, Inc. 
               and Climate Master, Inc., International
               Environmental Corporation, El Dorado 
               Chemical Company, and Slurry Explosive
               Corporation.*

   10.3        Continuing Guaranty, dated November 21, 
               1997, between ClimaChem, Inc. and 
               BankAmerica Business Credit, Inc.*

   10.4        Services Agreement, dated November 21, 
               1997, between LSB Industries, Inc. and 
               ClimaChem, Inc.*


                              -2-
Exhibit No.                Description                         Page No.
__________                 ___________                         ________

   10.5        Management Agreement, dated November 21, 
               1997, between LSB Industries, Inc. and 
               ClimaChem, Inc.*

   10.6        Tax Sharing Agreement, dated November 21, 
               1997, between LSB Industries, Inc. and 
               ClimaChem, Inc.*

   10.7        Agreement for Purchase and Sale of 
               Anhydrous Ammonia, dated as of January 1, 
               1997, between El Dorado Chemical Company 
               and Farmland Industries, Inc. is incor-
               porated by reference from Exhibit 10.10 
               to LSB Industries, Inc.'s Form 10-K for 
               the fiscal year ended December 31, 1996.*

   10.8        Lease Agreement, dated November 12, 1987, 
               between Climate Master, Inc. and West 
               Point Company and amendments thereto is
               incorporated by reference from Exhibits 
               10.32, 10.36, and 10.37 to LSB Industries, 
               Inc.'s Form 10-K for the fiscal year ended
               December 31, 1988.*

   10.9        Severance Agreement, dated January 17, 
               1989, between LSB Industries, Inc. and 
               Jack E. Golsen, is incorporated by 
               reference from Exhibit 10.48 to LSB 
               Industries, Inc.'s Form 10-K for the 
               fiscal year ended December 31, 1988.  
               LSB Industries, Inc. also entered into 
               identical agreements with Tony M. Shelby, 
               David R. Goss, Barry H. Golsen, David M. 
               Shear, and Jim D. Jones, and the Company 
               will provide copies thereof to the 
               Commission upon request.*

   10.10       Employment Agreement and Amendment to 
               Severance Agreement, dated January 12, 
               1989, between LSB Industries, Inc. and 
               Jack E. Golsen, dated March 21, 1996, is
               incorporated by reference from Exhibit 
               10.15 to LSB Industries, Inc.'s Form 10-K 
               for the fiscal year ended December 31, 
               1995.*

   10.11       Processing Agreement, dated January 1, 
               1994, between Monsanto Company and El 
               Dorado Chemical Company is incorporated 
               by reference from Exhibit 10.22 to LSB 
               Industries, Inc.'s Form 10-K for the 
               fiscal year ended December 31, 1994.*

   10.12       Loan and Security Agreement (DSN Plant), 
               dated October 31, 1994, between DSN 
               Corporation and The CIT Group/Equipment 
               Financing, Inc. is incorporated by 
               reference from Exhibit 10.1 to LSB 
               Industries, Inc.'s Form 10-Q for the 
               fiscal quarter ended September 30, 
               1994.*

   10.13       First Amendment to Loan and Security 
               Agreement (DSN Plant), dated June 1, 
               1995, between DSN Corporation and The 
               CIT Group/Equipment Financing, Inc.*

   10.14       Loan and Security Agreement (Mixed 
               Acid Plant), dated April 5, 1995, 
               between DSN Corporation and The CIT
               Group/Equipment Financing, Inc. is 
               incorporated by reference from Exhibit
               10.25 to LSB Industries, Inc.'s Form 
               10-K for the fiscal year ended 
               December 31, 1994.*

   10.15       First Amendment to Loan and Security 
               Agreement (Mixed Acid Plant), dated 
               November 15, 1995, between DSN 
               Corporation and The CIT Group/Equipment 
               Financing, Inc.*


                              -3-
Exhibit No.                Description                        Page No.
___________                ___________                        ________

   10.16       Loan and Security Agreement (Rail Tank 
               Cars), dated November 15, 1995, between 
               DSN Corporation and The CIT Group/
               Equipment Financing, Inc.*

   10.17       First Amendment to Loan and Security 
               Agreement (Rail Tank Cars), dated 
               November 15, 1995, between DSN 
               Corporation and the CIT Group/Equipment 
               Financing, Inc.*

   10.18       Letter amendment, dated May 14, 1997, 
               to Loan and Security Agreement between 
               DSN Corporation and The CIT Group/
               Equipment Financing, Inc. is incor-
               porated by reference from Exhibit 10.1 
               to LSB Industries, Inc.'s Form 10-Q for 
               the fiscal quarter ended March 31, 1997.*

   10.19       Amendment to Loan and Security Agreement, 
               dated November 21, 1997, between DSN 
               Corporation and The CIT Group/Equipment 
               Financing, Inc.*

   10.20       Guaranty Agreement, dated November 21, 
               1997, executed by ClimaChem, Inc. in 
               favor of The CIT Group/Equipment 
               Financing, Inc.*

   10.21       Promissory Note, dated July 14, 1989, 
               from Climate Master, Inc. to Oklahoma
               County Finance Authority*

   10.22       Extension of Maturity on Promissory Note, 
               dated February 7, 1997, relating to the 
               Promissory Note, dated July 14, 1989, 
               from Climate Master, Inc. to Oklahoma 
               County Finance Authority*

   10.23       Mortgage of Tenant's Interest in Lease, 
               dated July 1, 1989, executed by Climate 
               Master, Inc. in favor of the Oklahoma 
               County Finance Authority*

   10.24       Project Loan Agreement, dated July 1, 
               1989, between Climate Master, Inc., 
               and the Oklahoma County Finance 
               Authority*

   10.25       Hire-Purchase Agreement, dated 
               November 21, 1994, between Total 
               Energy Systems Limited and Toyota 
               Finance Australia Limited*

   10.26       Lease Agreement, dated October 25, 
               1996, between Total Energy Systems 
               Limited and Sanwa Australia Finance 
               Limited.  Total Energy Systems Limited 
               has entered into a second Lease 
               Agreement which is substantially 
               identical, copies of which will be 
               provided to the Commission upon 
               request.*

   10.27       Master Lease Agreement, dated October 10, 
               1995, between Total Energy Systems (NZ) 
               Limited and GE Capital (NZ) Limited*

   10.28       Master Lease Agreement, dated December 15, 
               1994, between Total Energy Systems Limited
               and KE Financial Corporation Limited*

   10.29       Land Lease, dated March 1, 1995, between 
               DSN Corporation and Koch Sulphur Products 
               Company*

   10.30       Promissory Note, dated June 2, 1997, 
               executed by International Environmental
               Corporation in favor of ORIX Credit 
               Alliance, Inc.*

                            -4-

Exhibit No.               Description                         Page No.
___________               ___________                         _________
          
   10.31       Security Agreement-Mortgage on Goods and 
               Chattels dated April 18, 1997, executed 
               by International Environmental Corporation
               in favor of ORIX Credit Alliance, Inc.*

   10.32       Lease Agreement, dated March 7, 1988, 
               between Northwest Financial Corporation 
               and International Environmental 
               Corporation*

   10.33       First Amendment, dated August 17, 1995, 
               to Lease Agreement dated March 7, 1988, 
               between Prime Financial Corporation and
               International Environmental Corporation*
     
   10.34       Assignment, dated August 17, 1995, between
               Northwest Financial Corporation and Prime Financial
               Corporation*

   10.35       Loan and Security Agreement, dated March 14, 
               1995, between International Environmental
               Corporation and MetLife Capital 
               Corporation*
     
   10.36       Lease Agreement, dated April 3, 1996, 
               between Amplicon Financial and 
               International Environmental Corporation*

   10.37       Equipment Purchase and Security Agreement, 
               dated February 1, 1994, between U. S. Amada 
               Ltd. and Climate Master, Inc.  Climate 
               Master has entered into three other 
               Equipment Purchase and Security Agreements 
               which are substantially identical in all 
               material respects except the principal 
               amount is $380,000, $88,000, and 
               $330,000, respectively.  Copies of each 
               of the foregoing will be provided to the
               Commission upon request.*

   10.38       Facility Letter, dated August 20, 1997, 
               between Bank of New Zealand, Australia, 
               and Total Energy Systems Limited*

   10.39       Variation Letter, dated February 10, 1998, 
               between Bank of New Zealand, Australia, 
               and Total Energy Systems Limited*

   10.40       Debenture Charge, dated March 7, 1995, 
               between Total Energy Systems Limited 
               and Bank of New Zealand.  T.E.S. Mining 
               Services Pty. Ltd. and Total Energy 
               Systems (NZ) Limited are each parties 
               to substantially identical Debentures, 
               copies of which will be provided to the 
               Commission upon request.*

   10.41       Master Commercial Hire and Purchase 
               Agreement (New South Wales), dated 
               November 14, 1994, between G.E. Capital 
               Australia Limited and Total Energy Systems
               Limited*

   10.42       Master Commercial Hire Purchase Agreement
               (Western Australia), dated November 14, 
               1994, between G.E. Capital Australia 
               Limited and Total Energy Systems Limited*

   10.43       Master Commercial Hire Purchase Agreement
               (Queensland), dated November 14, 1994, 
               between G.E. Capital Australia Limited 
               and Total Energy Systems Limited*

                              -5-

Exhibit No.                Description                     Page No.
___________                ___________                     ________

   10.44       Anhydrous Ammonia Sales Agreement, dated 
               May 28, 1997, to be effective January 1, 
               1997, between Koch Nitrogen Company and 
               El Dorado Chemical Company is incorporated 
               by reference from Exhibit 10.1 to the 
               Quarterly Report on Form 10-Q of LSB 
               Industries, Inc., the parent of  the 
               Company, as filed on August 19, 1997.  
               CERTAIN INFORMATION WITHIN THIS EXHIBIT 
               HAS BEEN OMITTED AS IT IS THE SUBJECT OF
               COMMISSION ORDER CF #5551, DATED 
               SEPTEMBER 25, 1997, GRANTING A REQUEST 
               FOR CONFIDENTIAL TREATMENT UNDER THE 
               FREEDOM OF INFORMATION ACT AND THE 
               SECURITIES EXCHANGE ACT OF 1934, AS 
               AMENDED.*

   10.45       Baytown Nitric Acid Project and Supply 
               Agreement dated June 27, 1997, by and 
               among El Dorado Nitrogen Company, 
               El Dorado Chemical Company and Bayer 
               Corporation is incorporated by reference
               from Exhibit 10.2 to the Quarterly Report
               on Form 10-Q of LSB Industries, Inc., 
               the parent of the Company, as filed on 
               August 19, 1997.  CERTAIN INFORMATION 
               WITHIN THIS EXHIBIT HAS BEEN OMITTED AS 
               IT IS THE SUBJECT OF COMMISSION ORDER 
               CF #5551, DATED SEPTEMBER 25, 1997, 
               GRANTING A REQUEST FOR CONFIDENTIAL 
               TREATMENT UNDER THE FREEDOM OF INFORMATION
               ACT AND THE SECURITIES EXCHANGE ACT OF 
               1934, AS AMENDED.*

   10.46       Services Agreement, dated June 27, 1997, 
               between Bayer Corporation and El Dorado 
               Nitrogen Company is incorporated by 
               reference from Exhibit 10.3 to the 
               Quarterly Report on Form 10-Q of LSB 
               Industries, Inc., the parent of  the 
               Company, as filed on August 19, 1997. 
               CERTAIN INFORMATION WITHIN THIS EXHIBIT
               HAS BEEN OMITTED AS IT IS THE SUBJECT 
               OF COMMISSION ORDER CF #5551, DATED 
               SEPTEMBER 25, 1997, GRANTING A REQUEST 
               FOR CONFIDENTIAL TREATMENT UNDER THE 
               FREEDOM OF INFORMATION ACT AND THE 
               SECURITIES EXCHANGE ACT OF 1934, AS 
               AMENDED.*

   10.47       Ground Lease dated June 27, 1997, 
               between Bayer Corporation and El Dorado 
               Nitrogen Company is incorporated by 
               reference from Exhibit 10.4 to the 
               Quarterly Report on Form 10-Q of LSB 
               Industries, Inc., the parent of the 
               Company, as filed on August 19, 1997.*



                              -6-

Exhibit No.                Description                         Page No.
___________                ___________                         ________

   10.48       Participation Agreement, dated as of 
               June 27, 1997, among El Dorado Nitrogen 
               Company, Boatmen's Trust Company of 
               Texas as Owner Trustee, Security Pacific 
               Leasing Corporation, as Owner Participant
               and a Construction Lender, Wilmington 
               Trust Company, Bayerische Landesbank, 
               New York Branch, as a Construction Lender 
               and the Note Purchaser, and Bank of 
               America National Trust and Savings 
               Association, as Construction Loan Agent 
               is incorporated by reference from Exhibit 
               10.5 to the Quarterly Report on Form 10-Q 
               of LSB Industries, Inc., the parent of 
               the Company, as filed on August 19, 1997.
               CERTAIN INFORMATION WITHIN THIS EXHIBIT 
               HAS BEEN OMITTED AS IT IS THE SUBJECT OF
               COMMISSION ORDER CF #5551, DATED SEPTEMBER 25,
               1997, GRANTING A REQUEST FOR CONFIDENTIAL 
               TREATMENT UNDER THE FREEDOM OF INFORMATION
               ACT AND THE SECURITIES EXCHANGE ACT OF 1934, 
               AS AMENDED.*

   10.49       Lease Agreement, dated as of June 27, 
               1997, between Boatmen's Trust Company 
               of Texas as Owner Trustee and El Dorado 
               Nitrogen Company is incorporated by 
               reference from Exhibit 10.6 to the 
               Quarterly Report on Form 10-Q of LSB 
               Industries, Inc., the parent of the 
               Company, as filed on August 19, 1997.*

   10.50       Security Agreement and Collateral 
               Assignment of Construction Documents, 
               dated as of June 27, 1997, made by 
               El Dorado Nitrogen Company is 
               incorporated by reference from Exhibit 
               10.7 to the Quarterly Report on 
               Form 10-Q of LSB Industries, Inc., the 
               parent of the Company, as filed on 
               August 19, 1997.*

   10.51       Security Agreement and Collateral 
               Assignment of Facility Documents, dated 
               as of June 27, 1997, made by El Dorado 
               Nitrogen Company and consented to by 
               Bayer Corporation  is incorporated by 
               reference from Exhibit 10.8 to the 
               Quarterly Report on Form 10-Q of LSB 
               Industries, Inc., the parent of the 
               Company, as filed on August 19, 1997.*

   10.52       Union Contracts, dated August 5, 1995, 
               by and between EDC and the Oil, Chemical 
               and Atomic Workers, the International 
               Association of Machinists and Aerospace 
               Workers, and the United Steel Workers 
               of America, dated November 1, 1995, is 
               incorporated by reference from Exhibit 
               10.7 to LSB Industries, Inc.'s Form 
               10-K for the fiscal year ended 
               December 31, 1995.*

   10.53       First Amendment to Amended and Restated 
               Loan and Security Agreement, dated 
               March 12, 1998, between BankAmerica 
               Business Credit, Inc. and Climate Master, 
               Inc., International Environmental 
               Corporation, El Dorado Chemical Company 
               and Slurry Explosive Corporation.*

   10.54       Amendment to Loan and Security Agreement, 
               dated March 16, 1998, between The CIT
               Group/Equipment Financing, Inc. and DSN
               Corporation.*

   10.55       Waiver Letter, dated March 16, 1998, 
               from BankAmerica Business Credit, Inc.*


                              -7-

Exhibit No.               Description                      Page No.
___________               ____________                     _________

   12.1        Ratio of Earnings to Fixed Charges*

   21.1        Subsidiaries of ClimaChem, Inc.*

   23.1        Consent of Ernst & Young LLP**

   23.2        Consent of Conner & Winters, A 
               Professional Corporation (included 
               in Exhibit 5.1)**

   23.3        Consent of Gilbert, Segall & Young, 
               LLP (included in Exhibit 5.2)**

   23.4        Consent of Corrs Chambers Westgarth 
               (included in Exhibit 5.3)**

   23.5        Consent of McLean & Kerr (included 
               in Exhibit 5.4)**

   23.6        Consent of Clyde & Co. (included in 
               Exhibit 5.5)**

   23.7        Consent of Bell Gully Buddle Weir 
               (included in Exhibit 5.6)**

   24.1        Powers of Attorney (included in 
               signature pages to the original 
               Registration Statement as previously 
               filed)*

   25.1        Statement of Eligibility of Trustee 
               on Form T-1*

   27.1        Financial Data Schedule*

   99.1        Form of Letter of Transmittal*

   99.2        Form of Notice of Guaranteed Delivery*

   99.3        Form of Tender Instruction*

   99.4        Exchange Agent Agreement, dated 
               February ___, 1998, between Bank One, 
               NA, as Exchange Agent, and each of 
               the Registrants*
<FN>
*  Previously filed.
**Filed herewith.
</FN>
</TABLE>

                         CONNER & WINTERS
                    A PROFESSIONAL CORPORATION
                             LAWYERS
                      ONE LEADERSHIP SQUARE
                  211 NORTH ROBINSON, SUITE 1700
                OKLAHOMA CITY, OKLAHOMA 73102-7101


                         April 8, 1998



ClimaChem, Inc.
16 South Pennsylvania
Oklahoma City, Oklahoma 73107

     Re:  ClimaChem, Inc.; 10 % Senior Notes Due 2007; Form
          S-4 Registration Statement; Our File No. 7539.2   
          _________________________________________________

Ladies and Gentlemen:

     We are special counsel to ClimaChem, Inc., an Oklahoma
corporation (the "Company"), and the Guarantors named in the
Registration Statement, all of whom are subsidiaries of the Company
(the "Guarantors," and together with the Company, the "Issuers"),
and have acted as such in connection with the filing of a
Registration Statement on Form S-4 (the "Registration Statement")
under the Securities Act of 1933, as amended (the "Securities
Act").  The Registration Statement covers up to $105,000,000 in
aggregate principal amount of ClimaChem's 10 % Series B Senior
Notes due 2007 (the "New Notes") offered in exchange for up to
$105,000,000 in aggregate principal amount of outstanding 10 %
Senior Notes due 2007 originally issued and sold in reliance upon
an exemption from registration under the Securities Act (the "Old
Notes").  The Old Notes are, and the New Notes will be,
unconditionally guaranteed (the "Guarantees") by the Guarantors. 
The Old Notes were issued under, and the New Notes will be issued
under, the Indenture, dated November 26, 1997 (the "Indenture"),
among the Issuers and Bank One, NA, as trustee. The exchange will
be made pursuant to an exchange offer (the "Exchange Offer")
contemplated by the Registration Statement. Capitalized terms used,
but not otherwise defined, herein shall have the meanings assigned
to them in the Registration Statement.

     We have examined and are familiar with originals or copies,
certified or otherwise identified to our satisfaction, of the
following:

               (a)  Indenture;

               (b)  New Notes;

               (c)  Guarantees to be issued by the Guarantors;
<PAGE>
ClimaChem, Inc.
April 8, 1998
Page 2


               (d)  (i) Certificate of Good Standing of the Company, an
                    Oklahoma corporation ("Company's Certificate"); (ii)
                    Certificate of Good Standing of APR Corporation, an
                    Oklahoma corporation ("APR"); (iii) Certificate of Good
                    Standing of CHP Corporation, an Oklahoma corporation
                    ("CHP"); (iv) Certificate of Good Standing of Climate
                    Master, Inc., a Delaware corporation ("CM"); (v)
                    Certificate of Good Standing of DSN Corporation, an
                    Oklahoma corporation ("DSN"); (vi) Certificate of Good
                    Standing of El Dorado Chemical Company, an Oklahoma cor-
                    poration ("EDC"); (vii) Certificate of Good Standing of
                    International Environmental Corporation, an Oklahoma
                    corporation ("IEC"); (viii) Certificate of Good Standing
                    of KOAX Corp., an Oklahoma corporation ("KOAX"); (ix)
                    Certificate of Good Standing of LSB Chemical Corp., an
                    Oklahoma corporation ("LSBC"); (x) Certificate of Good
                    Standing of Northwest Financial Corporation, an Oklahoma
                    corporation ("NFC"); (xi) Certificate of Good Standing of
                    Slurry Explosive Corporation, an Oklahoma corporation
                    ("Slurry"); (xii) Certificate of Good Standing of The
                    Environmental Group, Inc., an Oklahoma corporation
                    ("TEG"); and (xiii) Certificate of Good Standing of
                    Universal Tech Corporation, an Oklahoma corporation
                    ("UT"), each issued by the Secretary of State of Oklahoma
                    on November 12 or 14, 1997, except the Certificate of
                    Good Standing of CM was issued by the Secretary of State
                    of Delaware on November 18, 1997;

               (e)  Certificate of Incorporation of each of the Company, APR,
                    CHP, CM, DSN, EDC, IEC, KOAX, LSBC, NFC, Slurry, TEG, and
                    UT, each certified by the Secretary of State of Oklahoma
                    on November 14, 1997, except the Certificate of
                    Incorporation of CM was certified by the Secretary of
                    State of Delaware on November 18, 1997;
     
               (f)  Bylaws, as amended, of each of the Company, APR, CHP,
                    CMI, DSN, EDC, IEC, KOAX, LSB, LSBC, NFC, Slurry, TEG and
                    UT;

               (g)  Unanimous Written Consent of the Board of Directors of
                    the Company, dated November 21, 1997, relating to the
                    Indenture and the Notes;

               (h)  Unanimous Written Consent by each Board of Directors of
                    the following entities, each dated November 21, 1997,
                    relating to the Indenture and the Guarantees: APR, CHP,
                    CMI, CM, DSN, EDC, IEC, KOAX, LSBC, NFC, Slurry, TEG, and
                    UT; and

<PAGE>
ClimaChem, Inc.
April 8, 1998
Page 3

               (i)  Minute Books of the Company and the Guarantors other than
                    Climate Mate, Inc.,  a Province of Ontario, Canada
                    corporation ("CMI"), The Environmental Group
                    International Limited, a United Kingdom corporation
                    ("TEGI"), Total Energy Systems Limited, an Australian
                    corporation ("TES"), T.E.S. Mining Services Pty. Ltd., an
                    Australian corporation ("TES Mining"), and Total Energy
                    Systems (NZ) Limited, a New Zealand corporation ("TES
                    (NZ)") (CMI, TEGI, TES, TES Mining, and TES (NZ) are
                    collectively referred to as the "Foreign Guarantors").

     The documents and instruments listed above in (a) through (i)
are referred to herein as the "Documents."

     We have examined the originals or copies, certified or
otherwise identified to our satisfaction, of all such records of
the Company and the Guarantors, as we have deemed necessary or
appropriate.  We have also examined certificates of public
officials, including certificates not identified above,
certificates of officers or representatives of the Company and the
Guarantors, and such other documents, certificates and corporate or
other records as we have deemed necessary or appropriate as a basis
for the opinion set forth herein.

     In connection with this opinion, we have relied upon, among
other things, (a)  the opinion issued by Corrs Chambers Westgarth,
Australian counsel, dated April 7, 1998, relating to TES, TES
Mining and TES (NZ); (b) the opinion of Clyde & Co., United
Kingdom counsel, dated April 6, 1998, relating to TEGI; and (c) the
amended opinion issued by McLean & Kerr dated January 21, 1998,
relating to CMI (collectively, the "Opinions of Foreign Counsel"). 
We have relied upon the Opinions of Foreign Counsel that each of
the Foreign Guarantors is duly incorporated, validly existing and
in good standing under the laws of each Foreign Guarantor's
respective jurisdiction of incorporation and that the Foreign
Guarantors have duly authorized the execution, delivery, and
performance of the Indenture and Guarantees under the laws of each
Foreign Guarantors' respective jurisdiction of incorporation.

     In our examination we have assumed, without the duty to
investigate, the genuineness of all signatures, the legal capacity
of natural persons, the authenticity of all documents submitted to
us as originals, the conformity to original documents of all docu-
ments submitted to us as certified or photostatic copies, and the
authenticity of the originals of such copies.  We have also assumed
the due authorization, execution and delivery of all documents re-
ferred to herein by all parties thereto other than the Company and
the Guarantors.  As to certain facts material to this opinion, we
have relied upon certificates, statements and representations of

<PAGE>
ClimaChem, Inc.
April 8, 1998
Page 4


officers and other representatives of the Company and the
Guarantors.

     Based solely on our review of the foregoing Documents, and in
reliance thereon and on the Opinions of Foreign Counsel and the
Opinion of New York Counsel (as defined below), and subject to the
assumptions, qualifications, limitations and exceptions set forth
herein, we are of the following opinion: 

     1.  Each of the Company and the Guarantors (other than the
Foreign Guarantors) is a corporation duly incorporated and validly
existing in good standing under the laws of its respective
jurisdiction of incorporation.

     2.  The execution, delivery and performance of the Indenture
has been duly authorized by the Company and the Guarantors (other
than the Foreign Guarantors), and the Indenture has been duly executed
and delivered by the Company and the Guarantors and constitutes a
legal, valid and binding obligation of the Issuers, enforceable
against the Issuers in accordance with the terms thereof.

     3. The Company has duly authorized the execution, delivery and
performance of the New Notes and, when duly executed by the proper
officers of the Company, duly authenticated by the Trustee and
issued by the Company in accordance with the terms of the Indenture
and the Exchange Offer, will constitute legal, valid and binding
obligations of the Company, will be entitled to the benefits of the
Indenture and will be  enforceable against the Company in
accordance with their terms.

     4.  The Guarantors (other than those executed by the Foreign
Guarantors) have duly authorized the execution, delivery and
performance of the Guarantees and, when the New Notes have been
duly executed and authenticated, and the Guarantees have been duly
executed in accordance with the terms of the Indenture, and the New
Notes have been delivered to the holders as described in the
Prospectus, the Guarantees will constitute legal, valid and binding
obligations of the Guarantors, will be entitled to the benefits of
the Indenture, and will be enforceable against the Guarantors in
accordance with their terms.

     Based on the provisions of the Internal Revenue Code of 1986,
as amended, and the regulations promulgated thereunder, applicable
judicial authority and current administrative rulings and practice,
all as of the date of this letter, and all of which may change at
any time, we are of the opinion that, as stated in the section
titled "Certain Federal Income Tax Consequences" contained in the
Registration Statement, the exchange of Old Notes for New Notes
pursuant to the Exchange Offer will not be treated as an "exchange"
for federal income tax purposes, and there will be no federal


<PAGE>
ClimaChem, Inc.
April 8, 1998
Page 5


income tax consequences to holders exchanging Old Notes for New
Notes pursuant to the Exchange Offer.

     We have expressed the foregoing opinions subject to the
following exceptions, qualifications and limitations:

     1.   The opinions expressed herein are limited to the laws of
          the State of Oklahoma, the General Corporation Law of the
          State of Delaware, the federal laws of the United States
          and, in reliance upon the Opinion of New York Counsel
          referred to below,  the substance of laws of the State of
          New York, in each case to the extent typically applicable
          to transactions contemplated by the Exchange Offer and
          not accepted from the scope of the opinions set forth
          above, and we do not express any opinion with respect to
          the laws of any other country, state or jurisdiction.  We
          call your attention to the fact that we are members of
          the Bar of the State of Oklahoma, and are not members of
          the Bar of Delaware or the Bar of New York.  With respect
          to the applicability of the laws of the State of New
          York, we note that Section 12.8 of the Indenture provides
          that the Indenture, New Notes, and the Guaranties are to
          be governed by the substantive laws of the State of the
          New York.  Accordingly, insofar as our opinions set forth
          above encompass an opinion that the Indenture, the New
          Notes, and the Guaranties are valid, binding obligations
          and are enforceable against the Company and the
          Guarantors, as applicable, we have assumed that all
          matters pertaining to the validity, binding effect and
          enforceability are governed solely by the substantive
          laws of the State of New York (without regard to choice
          of law or conflict of law of principals), and in
          rendering such opinions as to the validity, binding
          effect and enforceability of the Indenture, the New
          Notes, and the Guarantees under the substantive laws of
          the State of New York, we have relied exclusively upon
          the opinion of the New York law firm of Gilbert, Segall
          and Young, LLP, dated April 7, 1998 ("Opinion of New York
          Counsel").  We do not express any opinion as to choice of
          law or conflicts of law, including, without limitation,
          any opinion with respect to Section 12.8 of the Indenture
          (and any corresponding provision of the New Notes) or the
          appropriate choice of law with respect to the Indenture,
          the New Notes or the Guaranties.

     2.   This opinion is limited to the matters stated herein, and
          no opinion is implied or may be inferred beyond the
          matters expressly stated.

<PAGE>
ClimaChem, Inc.
April 8, 1998
Page 6


     3.   Although we express no opinion as to such, with respect
          to the Documents' choice of law provision applicable to
          the construction of contracts, Oklahoma follows the
          Restatement (Second) Conflict of Laws Sections 187 and 188. 
          See Dean Witter Reynolds, Inc. v. Shear, 796 P.2d 296
          (Okla. 1990).  Section 187(2)(b) of such Restatement
          provides in pertinent part that:

                    [t]he law of the state chosen by the
                    parties ... will be applied, even if
                    the particular issue is one which
                    the parties could not have resolved
                    by an explicit provision ..., unless
                    ... application of the law of the
                    chosen state would be contrary to a
                    fundamental policy of a state which
                    has a materially greater interest
                    than the chosen state in the
                    determination of the particular
                    issue and which, under the rule of 
                    Section 188, would be the state of the
                    applicable law in the absence of an
                    effective choice of law by the
                    parties.  (Emphasis added).

     4.   Provisions of the Documents which purport to indemnify
          any party against or release any party from, liability
          for any acts are unenforceable to the extent such acts
          are determined to be unlawful, negligent, reckless, or
          constitute willful misconduct.

     5.   Those provisions of the Documents purporting to exculpate
          any party from any violation of usury laws by the ipso
          facto reduction of interest in excess of the maximum
          rate, and/or the application of such excess interest to
          principal or return thereof to the Company are
          unenforceable based on Oklahoma Preferred Finance & Loan
          Corporation v. Morrow, 497 P.2d 221 (1972).

     6.   The enforceability and effectiveness of the provisions of
          the Indenture, the New Notes and the Guarantees are
          limited by, and subject to (a) applicable bankruptcy,
          fraudulent conveyance or fraudulent transfer laws, 
          insolvency, reorganization, moratorium, and other laws
          relating to or affecting creditors' rights generally now
          or hereafter in effect; or (b) applicable laws or
          principles of equity which may effect the exercise of
          certain rights and remedies and which may restrict the

<PAGE>
ClimaChem, Inc.
April 8, 1998
Page 7

          enforcement of certain remedies or the availability of
          certain equitable remedies.

     7.   As to enforceability of that portion of the Documents
          that provide if any provisions of the Documents are
          determined to be illegal, invalid or unenforceable, the
          remaining provisions remain in full force and effect
          where any such provision is an essential part of the
          Documents, and the parties would not have entered into
          the documents absent that provision.

     This letter speaks only as of the date hereof and is limited
to present statutes, regulations ad administrative and judicial
interpretations.  We undertake no responsibility to update or
supplement this letter after the date hereof.

     Gilbert, Segall and Young LLP may rely upon the opinions contained
herein that are based on Oklahoma law and the General Corporation Law of
Delaware as if the opinion were addressed to them.

     We consent to the use of this opinion as an exhibit to the
Registration Statement and to the reference to our firm in the
Registration Statement and the Prospectus covering the Notes
constituting a part thereof under the caption "Legal Matters."

                                   Very truly yours,

                                   CONNER & WINTERS
                                   A Professional Corporation

                                   /s/ Conner & Winters



IHS/MHB/plh


                    GILBERT, SEGALL AND YOUNG LLP
                           430 Park Avenue
                    New York, New York 10022-3592
                            (212) 644-4000
                      Facsimile: (212) 644-4051
                               _______

                                                                     
                          April 7, 1998



ClimaChem, Inc.
16 South Pennsylvania
Oklahoma City, Oklahoma  73107

    Re:  ClimaChem, Inc.; 10 % Series B Senior Notes Due 2007
         ____________________________________________________

Ladies and Gentlemen:

     We are special New York counsel to ClimaChem, Inc., an
Oklahoma corporation (the "Company"), and the Guarantors named in
the Registration Statement hereinafter defined (the "Guarantors,"
and together with the Company, the "Issuers").  In this connection
we have reviewed that certain Registration Statement on Form S-4
(the "Registration Statement") filed by the Issuers on January 26,
1998 under the Securities Act of 1933, as amended (the "Securities
Act").  The Registration Statement covers up to $105,000,000 in
aggregate principal amount of the Company's 10 3/4% Series B Senior
Notes due 2007 (the "New Notes") offered in exchange for up to
$105,000,000 in aggregate principal amount of outstanding 10 3/4%
Senior Notes due 2007 originally issued and sold by the Company in
reliance upon an exemption from registration under the Securities
Act (the "Old Notes").  The Old Notes are, and the New Notes will
be, unconditionally guaranteed (the "Guarantees") by the
Guarantors.  The Old Notes were issued under, and the New Notes
will be issued under, an Indenture, dated as of November 26, 1997
(the "Indenture"), among the Issuers and Bank One, NA, as trustee. 
Capitalized terms used, but not otherwise defined, herein shall
have the meanings assigned to them in the Indenture.

     We have examined and are familiar with copies identified or
otherwise established to our satisfaction of the following:

               (a)  the Indenture;

               (b)  the form of New Notes included as Exhibit A to the
                    Indenture; and

               (c)  the form of Guarantee to be issued by the Guarantors
                    included as Exhibit B to the Indenture.

<PAGE>
ClimaChem, Inc.
April 7, 1998
Page 2


     For the purposes of this opinion, we have relied upon the
opinions of Conner & Winters, P.C., dated April 8, 1998, for the
law of Oklahoma and the General Corporation Law of Delaware; Corrs
Chambers Westgarth, dated April 7, 1998, Australian counsel for the
law of Queensland and the Commonwealth of Australia; Bell Gully
Buddle Weir, dated March 13, 1998, New Zealand counsel, for the law
of New Zealand; Clyde & Co., dated April 6,1998, United Kingdom
counsel, for the law of England; and McLean & Kerr, dated January
21, 1998, Canadian counsel, for the law of the Province of Ontario,
Canada; that each of the Issuers is duly incorporated, validly
existing and in good standing under the laws of each Issuer's
respective jurisdiction of incorporation, that the Company has duly
authorized the execution, delivery and performance of the New
Notes, that each of the Issuers has duly authorized the execution,
delivery and performance of the Indenture, that each of the
Guarantors has duly authorized the execution, delivery and
performance of the Guarantees and that the Indenture has been duly
executed and delivered by the Issuers.  We have assumed that
immediately after the execution and delivery of the Guarantees,
none of the Guarantors will be, or by such execution and delivery
will be deemed to be, insolvent.

     In our examination of the Indenture we have assumed, without
any investigation, the genuineness of all signatures, the legal
capacity of natural persons, the conformity to original documents
of all documents submitted to us as photostatic copies, and the
authenticity of the originals of such copies.  We have also assumed
the due authorization, execution and delivery of all documents
referred to herein by all parties thereto other than the Company
and the Guarantors.  As to certain facts material to this opinion,
we have relied upon statements and representations of
representatives of the Company and the Guarantors and of counsel to
the Company and the Guarantors.

     Based solely on our review of the Indenture and the forms of
the New Notes and the Guarantees, and subject to the assumptions,
qualifications, limitations and exceptions set forth herein, we are
of the following opinion:

     1.   The Indenture constitutes a legal, valid and binding
obligation of the Issuers under the laws of the State of New York,
enforceable in accordance with the terms thereof.

     2.   The New Notes, when duly executed by the proper officers
of the Company, duly authenticated by the Trustee and issued by the
Company in accordance with the terms of the Indenture (assuming
qualification of the Indenture under the Trust Indenture Act of
1939, as amended), will constitute legal, valid and binding

<PAGE>
ClimaChem, Inc.
April 7, 1998
Page 3


obligations of the Company, will be entitled to the benefits of the
Indenture and will be enforceable against the Company in accordance
with their terms.

     3.   When the New Notes have been duly executed and
authenticated, and the Guarantees have been duly executed in
accordance with the terms of the Indenture, the Guarantees will
constitute legal, valid and binding obligations of the Guarantors,
will be entitled to the benefits of the Indenture, and will be
enforceable against the Guarantors in accordance with their terms.

     We have expressed the foregoing opinion subject to the
following exceptions, qualifications and limitations:
    
     1.   The opinions expressed herein are limited to the laws of
          the State of New York and applicable federal laws of the
          United States, and we do not express any opinion with
          respect to the laws of any other country, state or
          jurisdiction.

     2.   This opinion is limited to the matters stated herein, and
          no opinion is implied or may be inferred beyond the
          matters expressly stated.

     3.   The enforceability and effectiveness of the provisions of
          the Indenture, the New Notes and the Guarantees are
          limited by, and subject to (a) applicable bankruptcy,
          fraudulent conveyance or fraudulent transfer laws,
          insolvency, reorganization, moratorium, and other laws
          relating to or affecting creditors' rights generally now
          or hereafter in effect; and (b) applicable laws or
          principles of equity (whether applied in a court of
          equity or at law) which may affect the exercise of
          certain rights and remedies and which may restrict the
          enforcement of certain remedies or the availability of
          certain equitable remedies.

     4.   Provisions of the Indenture which purport to indemnify
          any party against, or release any party from, liability
          for any acts may be unenforceable to the extent such acts
          are determined to be unlawful, negligent, reckless or
          constitute willful misconduct.

     This opinion speaks only as of the date hereof and we
undertake no responsibility to update or supplement this opinion
after the date hereof.


<PAGE>
ClimaChem, Inc.
April 7, 1998
Page 4


     In rendering its opinion to you with respect to the legality,
validity and enforceability of the Indenture, the New Notes and the
Guarantees, Conner & Winters, P.C. may rely on this opinion as if
it were addressed to them.

     We consent to the filing of this opinion as an exhibit to the
Registration Statement and to the reference to our firm in the
Registration Statement and the Prospectus covering the New Notes
constituting a part thereof under the caption "Legal Matters."  The
foregoing, however, shall not constitute an admission by us that we
are experts as provided in Sections 7 and 11 of the Securities Act.

                              Very truly yours,

                              /s/ Gilbert, Segall and Young LLP












                              CORRS
                             CHAMBERS
                            WESTGARTH

                             LAWYERS


                            7 April 1998                       Contact:
                            Bruce Atkins (07) 3228 9828
ClimaChem, Inc.
                            16 South Pennsylvania              Partner:
                            Oklahoma City,                     John Kelly
OKLAHOMA 73107
                            UNITED STATES OF AMERICA           Our reference
                            PC5417615

Dear Ladies and Gentlemen:

     1.   Introduction

          We are the lawyers for Total Energy Systems Limited ACN 010
          876 150 (TES), Total Energy Systems (NZ) Ltd. (DN/682396) (TES
          (NZ)), and T.E.S. Mining Services Pty. Ltd. ACN 010 975 676
          (TES Mining) in connection with TES, TES (NZ), and TES Mining
          executing the documents described below (the Transaction
          Documents).

          The Transaction Documents are:

               (a)  Indenture, dated 26 November 1997 ("Indenture"), between
                    ClimaChem, Inc. (ClimaChem), Bank One, NA as the Trustee,
                    and TES, TES (NZ), TES Mining, The Environmental Group,
                    Inc., International Environmental Corporation, Climate
                    Master, Inc., CHP Corporation, KOAX Corp., APR
                    Corporation, Climate Mate, Inc., The Environmental Group
                    International Limited, LSB Chemical Corp., El Dorado
                    Chemical Company, Slurry Explosive Corporation, Universal
                    Tech Corporation, Northwest Financial Corporation, and
                    DSN Corporation (hereinafter collectively referred to as
                    "the Guarantors").

               (b)  Registration Rights Agreement, dated 26 November 1997,
                    between Wasserstein Perella Securities, Inc. ("Initial
                    Purchaser"), ClimaChem and the Guarantors ("Registration
                    Rights Agreement").

               (c)  Guarantees of ClimaChem's 10 % Senior Notes, Series B,
                    due 2007 issued by TES, TES (NZ), and TES Mining
                    (hereinafter collectively referred to as "the
                    Guarantees").
<PAGE>
<PAGE>
7 April 1998
ClimaChem, Inc.                                                Page 2

     2.   Definitions

     In this opinion:

          "Relevant Jurisdictions" means the State of Queensland, the
     Commonwealth of Australia and New Zealand.

     3.   Documents

          In connection with this opinion we have examined the following
     documents and instruments:

               (a)  The Indenture;

               (b)  The Registration Rights Agreement;

               (c)  The Guarantees;

               (d)  A copy of the certificate of incorporation and the
          memorandum and articles of association of TES;

               (e)  An extract of a memorandum of unanimous resolutions of
          the directors of TES in relation to the execution and
          delivery of the Transaction Documents;

               (f)  A copy of the certificate of incorporation and the
          constitution of TES (NZ);

               (g)  An extract of a memorandum of unanimous resolutions of
          the directors of TES (NZ) in relation to the execution
          and delivery of the Transaction Documents;

               (h)  A copy of the certificate of incorporation and the
          memorandum and articles of association of TES Mining;

               (i)  An extract of a memorandum of unanimous resolutions of
          the directors of TES Mining in relation to the execution
          and delivery of the Transaction Documents;

               (j)  The annexed legal opinion from Bell Gully Buddle Weir
          dated 13 March 1998;

               (k)  Such other documents and instruments as we considered
          necessary.


<PAGE>
<PAGE>
7 April 1998
ClimaChem, Inc.                                                 Page 3

     4.   Assumptions

          For purposes of this opinion we have assumed (without making
     any investigation):

               (a)  The authenticity of all seals and signatures;

               (b)  The completeness and the conformity to the originals of
          all copies of the documents and instruments submitted to
          us;

               (c)  That the copies of the documents and instruments referred
          to in subparagraphs (d), (e), (f), (g), (h), and (i) of
          paragraph 3 of this opinion are true and correct copies
          of the original documents and instruments of which they
          purport to be copies or extracts;

               (d)  That all facts stated in the documents referred to in
          subparagraphs (d), (e), (f), (g), (h), and (i) of
          paragraph 3 of this opinion are, and continue to be,
          correct, and no relevant matter has been withheld from
          us, whether deliberately or inadvertently (and we have no
          reason to believe that this is not the case);

               (e)  That all acts of internal management relating to the
          entry into, and execution of, the Transaction Documents
          by TES, TES (NZ), and TES Mining have been duly performed
          and, without limitation, that:

                    (i)   the resolutions of the directors referred to
                    in paragraphs 3(e), 3(g) and 3(i) were
                    properly passed and documented;

                    (ii)  all directors who consented to and made such
                    resolutions were entitled to do so;

                    (iii) all provisions relating to the declaration of
                    the directors' interests or the power of
                    interested directors to vote and/or resolve on
                    relevant issues were duly observed.

     
               (f)  That none of TES, TES (NZ), and TES Mining are
          conducting, nor will they seek to conduct, any relevant
          transactions or any associated activities in a manner or
          for a purpose not evident on the face of the Transaction
          Documents which might render the Transaction Documents or
          any of them or any relevant transactions or associated
          activities illegal, void, voidable or unenforceable;


<PAGE>
7 April 1998
ClimaChem, Inc.                                             Page 4

     (g)  That in so far as any obligation of TES, TES (NZ) or TES
          Mining under the Transaction Documents is to be performed
          outside the Relevant Jurisdictions, its performance will
          not be illegal or ineffective by virtue of the law of the
          place of performance;

     (h)  That TES, TES (NZ) and TES Mining were each solvent
          (within the meaning of Section 95A of the Corporations
          Law or within the meaning of Section 4 of the Companies
          Act 1993 (New Zealand) respectively) at the time which
          each entered into the Transaction Documents and each will
          not become insolvent (within the meaning of the relevant
          provision) because of, or because of matters including,
          entering into the Transaction Documents or any of them;

     (i)  All representations and warranties made in the
          Transaction Documents in favour of, or for the benefit
          of, TES, TES (NZ) or TES Mining by any other party to the
          Transaction Documents, are true and correct;

     (j)  The annexed legal opinion from Bell Gully Buddle Weir is
          true, correct and complete in respect of the matters with
          which it deals.

          We do not have actual knowledge of anything which would render
     any of these assumptions wholly or partly incorrect.

     5.   Qualifications

          This opinion is subject to the following qualifications:

          (a)  This opinion relates solely to matters governed by, and
          should be interpreted in accordance with, the laws of the
          Relevant Jurisdictions as in force and as interpreted at
          9:00 a.m. on the date of this opinion in respect of the
          laws of Queensland or the Commonwealth of Australia or as
          in force and as interpreted at 9:00 a.m. (New Zealand
          time) on the date of the annexed letter of advice in
          respect of the laws of New Zealand, and we have no
          obligation to inform you of any change in the relevant
          law occurring after the date of this opinion or the date
          of the annexed letter of advice as the case may be;

          (b)  We express no opinion as to any laws other than the laws
          of Queensland and the Commonwealth of Australia and in
          respect of the laws of New Zealand we rely on the annexed
          legal opinion from Bell Gully Buddle Weir;

          (c)  Enforcement of any of the Transaction Documents is
          subject to:

<PAGE>
7 April 1998
ClimaChem, Inc.                                             Page 5

               (i)  applicable laws from time to time in effect
                    relating to bankruptcy, liquidation, admini-
                    stration, receivership, composition, compro-
                    mise, arrangement, insolvency, reorganization,
                    moratorium, court schemes and refusals to
                    enforce payments in the nature of, or relating
                    to, penalties or forfeitures;

              (ii)  other laws of general application affecting
                    the enforcement of creditors' rights and
                    remedies; and

              (iii) statutes imposing limitation periods within
                    which suits, actions or proceedings can be
                    brought;

          (d)  Claims against TES, TES (NZ), and TES Mining may become
          statute barred and any provision in any of the
          Transaction Documents negating any defences of set off or
          counterclaim may not be effective in all circumstances;

               (e)  Equitable remedies (including, without limitation,
          injunctions and orders for specific performance) are
          discretionary and may not be awarded by the courts;

               (f)  Where under any of the Transaction Documents any of TES,
          TES (NZ), and TES Mining is required to make any payments
          on demand, courts may require that such be given a
          reasonable time after demand is made to comply with the
          demand before the payee will be permitted to realise or
          enforce any security for a failure to satisfy the demand;

               (g)  Any or all of the Transaction Documents may be
          unenforceable, invalid, void or at the action of TES, TES
          (NZ) or TES Mining voidable, if a commercial benefit does
          not accrue to TES, TES (NZ) or TES Mining respectively
          from executing the Transaction Documents and undertaking
          the obligations thereunder;

               (h)  We express no opinion as to whether the representations
          and warranties made, or given to be made, or given by
          TES, TES (NZ) and TES Mining in any of the Transaction
          Documents are correct, except insofar as (and to the
          extent that) any such representation or warranty relates
          to a matter which is the subject of this opinion (in
          which case our opinion on those matters is given in the
          terms set out in this opinion);

               (i)  A court may set aside a contract against a party on the
          application of another party if that party entered into
          that contract as a result of fraud, duress or

<PAGE>
7 April 1998                                                  Page 6
ClimaChem, Inc.

          unconscionable conduct on the part of the first mentioned
          party;

               (j)  We have relied on searches conducted at the offices of
          the Australian Securities Commission on 14 January 1998
          in respect of TES and TES Mining, but we note and rely on
          the fact that the records of the Australian Securities
          Commission available for public search may not be
          complete or up to date;

               (k)  We express no opinion as to:

                    (i)  whether a judgment would be entered in a court
                    in the Relevant Jurisdictions for an amount
                    other than one expressed in Australian or New
                    Zealand currencies respectively, although
                    decisions of English courts allowing judgments
                    in a foreign currency have been followed in
                    Australian and New Zealand courts;

                    (ii)  as to the date upon which a conversion from
                    foreign currency would be made for the
                    purposes of enforcement of any judgment;

               (l)  A provision that a calculation, determination or
          certificate will be conclusive and binding or conclusive
          evidence will not apply to a calculation, determination
          or certificate which is fraudulent, manifestly inaccurate
          on its face or determined on an arbitrary basis and will
          not necessarily prevent a court from inquiring into the
          merits of any claim in relation to any such calculation,
          determination or certificate;

               (m)  We express no opinion on any provision in any of the
          Transaction Documents requiring written amendments and
          waivers insofar as it suggests that oral or other
          modifications, amendments or waivers could not be
          effectively agreed upon or granted by or between the
          parties or by a duly authorised agent;

               (n)  An obligation to pay an amount may be unenforceable if
          the amount is held to constitute a penalty and the
          obligation of TES, TES (NZ) or TES Mining under any of
          the Transaction Documents to pay interest on overdue
          amounts at a rate higher than the rate applying before
          the amount fell due may be held to constitute a penalty
          if it is not a genuine pre-estimate of the damage;

               (o)  Court proceedings may be stayed in the subject of the
          proceedings is concurrently before another court;
<PAGE>
7 April 1998                                                   Page 7
ClimaChem, Inc.

               (p)  An indemnity for legal costs or against liability for
          breach of any law may be unenforceable;

               (q)  A court will not give effect to a choice of laws to
          govern any of the Transaction Documents or to a
          submission to the jurisdiction of certain courts if to do
          so would be contrary to public policy in the Relevant
          Jurisdiction (but we are not aware of any reason why that
          would be so in relation to any of the Transaction
          Documents);

               (r)  Section 243H of the Corporations Law prohibits a public
          company and a child entity of a public company from
          giving financial benefit to a related party of that
          public company except as permitted by Divisions 4 or 5 of
          Part 3.2A of the Corporations Law, and we express no
          opinion in relation to the application of that section;

               (s)  To the extent that any of the Transaction Documents
          requires TES, TES (NZ) or TES Mining to offer, allot or
          issue corporate securities to third parties, TES, TES
          (NZ) or TES Mining, as the case may be, cannot do so
          unless and until it complies with the requirements of the
          Corporations Law or the Companies Act 1993 (New Zealand)
          respectively relating to the offer, issue or allotment of
          corporate securities;

               (t)  In order to be validly executed none of the Transaction
          Documents must take effect as a deed;

               (u)  We express no opinion as to whether the respective
          obligations undertaken by TES, TES (NZ) and TES Mining
          pursuant to the Transaction Documents may cause a default
          in any of the obligations to any party to whom TES, TES
          (NZ) or TES Mining respectively has granted a charge over
          its assets.

6.   Opinion

          Based upon the assumptions and subject to the qualifications
     set out above, we are of the opinion that:

               (a)  TES has been duly incorporated under the laws of its
          place of incorporation and is validly registered and
          existing under the Corporations Law;

               (b)  TES has power to enter into and to perform its
          obligations under each of the Transaction Documents and
          has taken all necessary corporate and other action to
          authorise the execution, delivery and performance, in

<PAGE>
7 April 1998                                                  Page 8
ClimaChem, Inc.


          accordance with its terms of each of the Transaction
          Documents, including, without limitation, the Guarantees.

               (c)  TES Mining has been duly incorporated under the laws of
          its place of incorporation and is validly registered and
          existing under the Corporations Law;

               (d)  TES Mining has power to enter into and to perform its
          obligations under each of the Transaction Documents and
          has taken all necessary corporate and other action to
          authorise the execution, delivery and performance, in
          accordance with its terms of each of the Transaction
          Documents, including, without limitation, the Guarantees.

          Based upon the assumptions and subject to the qualifications
     set out above and in reliance upon the matters set out in the
     annexed legal opinion from Bell Gully Buddle Weir, we are of
     the opinion that:

          (a)  TES (NZ) has been duly incorporated under the laws of its
          place of incorporation and is validly registered and
          existing under the laws of New Zealand;

          (b)  TES (NZ) has power to enter into and to perform its
          obligations under each of the Transaction Documents and
          has taken all necessary corporate and other action to
          authorise the execution, delivery and performance, in
          accordance with its terms of each of the Transaction
          Documents, including, without limitation, the Guarantees.

We consent to the reference to our firm under the heading "Legal
Matters" and to the filing of this opinion as an exhibit to the
Registration Statement on Form S-4 and Prospectus included therein. 
In addition, this opinion may be relied on by Conner & Winters, A
Professional Corporation and Gilbert, Segall and Young LLP.

Yours faithfully,
CORRS CHAMBERS WESTGARTH

/s/ John Kelly

John Kelly
Partner







                          McLEAN & KERR
                     BARRISTERS & SOLICITORS


Suite 2800
130 Adelaide Street West                Telephone: (418) 364-5371
Toronto, Canada M5H 3P5                        FAX (418) 365-8571




                         January 21, 1998
                                                          AMENDED


ClimaChem, Inc.
16 South Pennsylvania
Oklahoma City, Oklahoma 73107

               Re:  Climate Mate Inc.

Dear Sir:

     We are special counsel to Climate Mate Inc., a corporation
organized under the laws of the Province of Ontario, Canada (the
"Company").  We have been requested to render certain opinions in
connection with the authorization, execution and delivery of the
Indenture (as defined below) and the Guarantee (as defined below). 
We have been advised of and rely on the following information:

     1.   that the Company is a wholly owned subsidiary of ClimaChem,
          Inc. ("ClimaChem");

     2.   ClimaChem has issued $105,000,000 in aggregate principal
          amount of its 10 % Senior Notes, due 2007 (the "Old Notes"),
          and has agreed to offer to exchange (the "Exchange Offer") the
          Old Notes for up to $105,000,000 in aggregate principal amount
          of ClimaChem's 10 % Senior Notes, Series B, due 2007 (the "New
          Notes"), pursuant to the terms of a Registration Rights
          Agreement, dated November 26, 1997, between ClimaChem, the
          Company, the other listed guarantors, and Wasserstein Perella
          Securities, Inc.;

     3.   the Company has guaranteed the Old Notes, and has agreed to
          guarantee the New Notes, pursuant to the terms of the
          Indenture (as defined below) under which the Old Notes were
          issued and the New Notes will be issued; and

     4.   the Exchange Offer is to be undertaken by means of a
          Registration Statement on Form S-4 ("Registration Statement") 

<PAGE>
                                                       ClimaChem, Inc.
                                                      January 21, 1998
                                                                Page 2


          to be filed with the Securities and Exchange Commission and
          the prospectus contained therein (the "Prospectus").

     In connection with this opinion, we have examined the
following documents and instruments:

     1.   photostatic copy of Indenture dated as of November 26,
          1997 (the "Indenture"), between ClimaChem, as issuer,
          BankOne, NA, as trustee, and the following as Guarantors,
          the Company, Total Energy Systems Limited, T.E.S. Mining
          Services Pty, Ltd., Total Energy Systems (NZ) Ltd., The
          Environmental Group, Inc., International Environmental
          Corporation, Climate Master, Inc., CHP Corporation, KOAX
          Corp., APR Corporation, The Environmental Group
          International Limited, LSB Chemical Corp., El Dorado
          Chemical Company, Slurry Explosive Corporation, Universal
          Tech Corporation, Northwest Financial Corporation, and
          DSN Corporation and any future newly created, acquired or
          designated subsidiary of ClimaChem;

     2.   photostatic copy of Guarantee by the Company of
          ClimaChem's 10 3/4% of  Senior Notes, Series B, due 2007
          (the "Guarantee");

     3.   photostatic copy of the Certificate of Incorporation of
          the Company effective August 16, 1991 and Bylaw No. 1 of
          the Company dated August 16, 1991;

     4.   Written Resolutions of the Directors of the Company dated
          the 21st day of November, 1997 in connection with, inter
          alia, Form S-4 Registration Statement;

     5.   Written Resolutions of the Directors of the Company dated
          the 21st day of November 1997 in connection with, inter 
          alia, ClimaChem Senior Notes due 2007, which resolutions
          provide for, inter alia, the authorization, execution and
          delivery of the Indenture and the Guarantee; and

     6.   Certificate of Status of the Company dated January 21,
          1998.

     Our opinions with respect to the matters referred to below are
subject to the following qualifications and reservations:

     1.   we have assumed the genuineness of all signatures and the
          authenticity of all documents submitted to us as
<PAGE>
                                                      ClimaChem, Inc.
                                                     January 21, 1998
                                                               Page 3


          originals and the conformity with the originals of all
          documents submitted to us as copies thereof;

     2.   our opinions set forth below are confined to the laws of
          the Province of Ontario and the laws of Canada applicable
          therein, and 

      3.  the Company is referred to incorrectly with a "," before
          the word, "Inc."

     Based upon and relying on the foregoing, we are of the opinion
that:

     1.   the Company is incorporated and existing under the laws
          of the Province of Ontario, Canada;

     2.   the Company has the corporate power to enter into, and
          perform its obligations under, the Indenture and the
          Guarantee; and

     3.   the Company has taken all necessary corporate action of
          the Company to authorize the execution, delivery and
          performance of the Indenture and, when issued, the
          Guarantee.

     The opinions expressed herein are limited to the laws of the
Province of Ontario, Canada.  We express no opinion as to any other
laws or the laws of any other jurisdiction.

     This opinion may be relied upon only by ClimaChem, Inc. and
counsel to ClimaChem, Inc. in Oklahoma, Conner & Winters, A
Professional Corporation, counsel to ClimaChem, Inc. in New York,
Gilbert, Segall & Young LLP. and Securityholders or Holders, as
defined in the Indenture, who exchange their Old Notes for New
Notes.  It may not be relied upon by any other person or for any
other purpose, nor may it be quoted in whole or in part or
otherwise referred to, without our prior written consent.  We
specifically consent to the reference to our firm under the heading
"Legal Matters" in the Registration Statement and the Prospectus
included therein and to the filing of this opinion as to
authorization, execution and delivery of the Indenture and the
Guarantee as an exhibit to the Registration Statement.

                                   Very truly yours,

                                   McLEAN & KERR
                                   BARRISTERS & SOLICITORS

                                   /s/ McLean & Kerr


             CLYDE & CO.         51 Eastchcap,
                                 An International    London EC3M 1JP
                                 Law Firm            Telephone: 01 1-623 1244
                                 Telex: 884886 Clyde G.
                                 Facsimile: 0171-623-5427
                                 DX: 1071 London/City.

                                 London
                                 Guildford
                                 Cardiff
                                 Hong Kong
                                 Singapore
                                 Durai
                                 Caracas
                                 Paris

                                 Associate office:
                                 St. Petersburg -
                                 Musin & Parness

Our ref.            Your ref.           Date:
KXW/CBH/9504784                         6 April 1998

Dear Sirs:

Registration Statement on Form S-4; Our File No. 7539.2

We have acted as English legal advisers to The Environmental Group
International Limited, a company incorporated under the laws of
England ("the Company"), and a wholly owned subsidiary of
ClimaChem, Inc.  ClimaChem has issued US$105,000,000 in aggregate
principal amount of its 10 3/4% Senior Notes, due 2007 ("the Old
Notes"), and has agreed to offer to exchange ("the Exchange Offer")
the Old Notes for up to US$105,000,000 in aggregate principal
amount of ClimaChem's 10 3/4% Senior Notes, Series B, due 2007 ("the
New Notes"), pursuant to the terms of a Registration Rights
Agreement dated 26 November 1997 between ClimaChem, the Company,
the other listed guarantors and Wasserstein Perella Securities,
Inc.  The Company has guaranteed the Old Notes and has agreed to
guarantee the New Notes, pursuant to the terms of the Indenture (as
defined) under which the Old Notes were issued and the New Notes
will be issued.  The Exchange Offer is to be undertaken by means of
a Registration on Form S-4 ("Registration Statement") to be filed
with the Securities and Exchange Commission and the prospectus
contained therein (the "Prospectus").

In connection with this opinion, on 21 January 1998 we have
examined the following documents and instruments:

<PAGE>
6 April 1998
Page 2
<PAGE>
1.   Copy of Indenture, dated 26 November 1997 ("the Indenture")
     between ClimaChem, BankOne, NA, as trustee, and the Company,
     Total Energy Systems Limited, T.E.S. Mining Services Pty.
     Ltd., Total Energy Systems (NZ) Ltd., the Environmental Group,
     Inc., International Environmental Corporation, Climate Master,
     Inc., Climate Mate, Inc., CHP Corporation, KOAX Corporation,
     APR Corporation, LSB Chemical Corp., El Dorado Chemical
     Company, Slurry Explosive Corporation, Universal Tech
     Corporation, Northwest Financial Corporation and DSN
     Corporation (collectively "the Guarantors").

2.   Copy of Guarantee by the Company of ClimaChem's 10 3/4% of Senior
     Notes, Series B, due 2007 ("the Guarantee").

3.   Original Certificate of Incorporation and copies of Memorandum
     and Articles of Association.

4.   Unanimous written consent of the directors of the Company
     relating to the execution and delivery of the Indenture and
     the Guarantee.

5.   Such other documents and instruments as we have considered
     necessary.

Based upon the foregoing, and on the assumption of the copies'
conformity to the original documents, and of the accuracy and
completeness of information (as of 21 January 1998) disclosed by a
Companies House search and by the Central Registry of Winding-up
Petitions and that the Information has not since 21 January 1998
been materially altered or added to, we are of the opinion that:

     1.   The Company has been duly incorporated and is validly
          existing under the laws of England and is a dormant
          company (within the meaning of section 250 Companies Act
          1985).

     2.   The Company has the power to enter into and perform its
          obligations under the Indenture and the Guarantee and has
          taken all necessary corporate and other action to
          authorise the execution, delivery and performance of the
          Indenture and, when issued, the Guarantee.

The opinions expressed herein are limited to English law.  We have
not made any investigations of, and do not express any opinion as
to any other laws or the laws of any other jurisdiction.

<PAGE>
6 April 1998
Page 3

We consent to the reference to our firm under the heading "Legal
Matters" and to the filing of this opinion as an exhibit to the
Registration Statement and Prospectus included therein.  This
opinion, given for the benefit of ClimaChem, Inc., may be relied on
by Conner & Winters, a Professional Corporation, Gilbert, Segall &
Young, and those holders of the New Notes who acquired them as a
result of the Exchange Offer, but by no other person.

Yours sincerely,

/s/ Clyde & Co.

Clyde & Co.



                   BELL GULLY BUDDLE WEIR             Telephone 64 4 473 7777
                   IBM Centre                         Facsimile 64 4 473 3845

171 Featherston Street
P. O. Box 1291
Wellington, New Zealand


                         BELL/GULLY Barristers and Solicitors



Corrs Chambers Westgarth
Waterfront Plaza
1 Eagle Street
GPO 9926                 Our ref M.W. Freeman/C. M. A. O'Brien
Queensland 4001          E-mail
Australia

Attention: John Kelly


13 March 1998


Dear Sirs:

TOTAL ENERGY SYSTEMS (NZ) LIMITED

We acted as your New Zealand solicitors in connection with the
execution by Total Energy Systems (NZ) Limited (the "Company") of: 

1.   an indenture (the "Indenture") dated 26 November 1997 between
     ClimaChem, Inc., the parties named therein as "Guarantors" and
     Bank One, NA, as the "Trustee");

2.   a registration rights agreement (the "Registration Rights
     Agreement") dated 26 November 1997 between Wasserstein Perella
     Securities, Inc., as the "Initial Purchaser," ClimaChem, Inc.
     and the Guarantors; and

3.   a guarantee (the "Guarantee") given by the Company.

(In this opinion, the Indenture, the Registration Rights Agreement,
and the Guarantee are each referred to as a "Transaction Document"
and together as the "Transaction Documents").

This opinion relates solely to, and is to be construed in
accordance with, New Zealand law in force on the date and at the
time of delivery of this opinion.  It is given on the basis that it
will be construed in accordance with New Zealand law.

<PAGE>
13 March 1998
Page 2

1.   For purposes of this opinion, we have examined and relied
     upon:

     (a)  a copy of the final draft of each Transaction Document;

     (b)  a certified copy of the constitution of the Company;

     (c)  a facsimile copy of an executed certificate addressed to
          us dated 12 March 1998 from a director of the Company
          ("Director's Certificate") a copy of which is attached;

     (d)  a facsimile copy of resolutions in writing passed by the
          board of directors of the Company dated 21 November 21997
          and of resolutions in writing passed by the shareholder
          of the Company dated 22 January 1998 (each a
          "Resolution," together the "Resolutions"); and

     (e)  such other documents as we considered necessary in order
          that we give this opinion.

2.   For the purposes of this opinion, we assumed:

     (a)  the authenticity of all signatures, seals and markings on
          the documents examined by us;

     (b)  the authenticity and completeness of the documents
          examined by us; 

     (c)  the conformity:

          (i)       to the original of the copy and counterpart
                    documents; and

          (ii)      to the executed documents of the copy of the
                    relevant draft document examined by us;

     (d)  that:

          (i)       each of the parties to the Transaction
                    Documents (other than the Company) has the
                    capacity and the power to enter into and
                    perform its obligations under the Transaction
                    Document;

<PAGE>
13 March 1998
Page 3


          (ii)      each Transaction Document has been duly
                    authorised and executed by each party to it
                    (other than the Company; and

          (iii)     in executing and performing the Transaction
                    Documents each such party is or will be
                    complying with all laws applicable to it;

     (e)  that each Transaction Document is valid, binding and
          enforceable under its proper law;

     (f)  that, (as we have not reviewed, nor advised on the
          provisions of the Transaction Documents) the performance
          by the Company of its obligations under any Transaction
          Document will not be contrary to any official directive
          of, or be impossible to perform, illegal or ineffective
          by virtue of, any law of any jurisdiction which applies
          to the Transaction Documents;

     (g)  that:

          (i)       To the extent that it is necessary, in order
                    to ensure the validity, effectiveness,
                    performance or enforceability of any
                    Transaction Document, that the Transaction
                    Document or details of it be filed or
                    registered or that any other instrument
                    relating to it be executed, delivered, filed
                    or registered, such has been completed; and

          (ii)      to the extent that any stamp or similar tax on
                    any Transaction Document is payable, such has
                    been paid;

     (h)  that none of the parties to any Transaction Document is,
          or will be, seeking to conduct any relevant transaction
          or any associated activity in any manner or for a purpose
          not evident on the face of the Transaction Document which
          might render the Transaction Document or any relevant
          transaction or associated activity illegal, void or
          voidable;

     (i)  that, in respect of any matters other than the
          Transaction Documents, the Company was not in breach of,
          or in conflict with:

<PAGE>
13 March 1998
Page 4

            (i)       Any law or agreement binding it or its assets; or

            (ii)      its constitution;

     (j)  that each Transaction Document was properly executed on
          behalf of each party to the Transaction Document;

     (k)  that no receiver has been appointed to, or step taken to
          liquidate, any party to a Transaction Document;

     (l)  that, other than the Company, in the case of each of he
          parties to each Transaction Document:

         (i)       It is solvent and able to pay its due debts;
                    and

         (ii)      the value of the consideration or benefit
                   received by it under the transactions
                   contemplated by the Transaction Document was
                   not less than the value of the consideration
                   or benefit provided by it under those
                   transactions; and

     (m)  that the matters set out in the Directors Certificate are
          true, correct, and complete.

          We have not taken steps to verify these assumptions other
     than, in relation to the application of subparagraph (k) to
     the Company, the search of the Companies Office referred to in
     paragraph 4(s) below.

3.   Based on and subject to the preceding paragraphs, and subject
     to the qualifications and reservations set out in paragraph 4,
     we are of the opinion that:

     (a)  the Company is duly and validly incorporated under the
          laws of New Zealand; and

     (b)  the Company has:

          (i)       the corporate power to execute and to perform
                    its obligations under each Transaction
                    Document; and

<PAGE>
13 March 1998
Page 5

          (ii)      taken all necessary corporate action to
                    authorise the execution, delivery and
                    performance by it of the Transaction Document.

          We express no opinion on the enforceability of any Transaction
     Document.

4.   This opinion is given subject to the qualification that we
     confined our searches to searches of the public records of the
     Company at the offices of the Registrar of Companies on 13
     March 1998.  We assume that the records disclosed by each
     search are true, complete and accurate and are up-to-date. 
     However, a search of the offices of the Registrar of Companies
     may not reveal whether:

     (i)       an application to liquidate a company has been
               made; or

     (ii)      a resolution for liquidation has been passed or a
               receiver or liquidator has been appointed; or

     (iii)     if a company has been made subject to statutory
               management,

     since notice of these matters may not be filed at the offices
     of the Registrar of Companies immediately or, even if filed,
     may not be available for immediate inspection.

5.   This opinion is addressed to you personally for the purposes
     of the Transaction Documents and Registration Statement on
     Form S-4 to be filed with the Securities and Exchange
     Commission in relation to the exchange offer by ClimaChem,
     Inc. of the already issued principal amount of its 10 3/4  per
     cent U.S.$105,000,000 in aggregate Senior Notes, due 2007 (the
     "Old Notes") for up to U.S.$105,000,000 in aggregate principal
     amount of ClimaChem's 10 3/4  per cent Senior Notes Series B, due
     2007 (the "New Notes"), pursuant to the terms of the
     Registration Rights Agreement.  This opinion may be disclosed
     to and relied upon by:

     (a)  ClimaChem, Inc.;

     (b)  ClimaChem, Inc.'s legal advisors, including Conner &
          Winters; and Gilbert, Segall & Young; and

     (c)  "Security Holders" or "Holders" (in either case, as
          defined in the Indenture) who exchange their Old Notes
          for New Notes.

<PAGE>
13 March 1998
Page 6

     This opinion may not, without our prior written consent, be:

     (a)  relied on by or disclosed to another person; or

     (b)  relied on for another purpose; or

     (c)  filed with another government or another agency or
          another person or quoted or referred to in a public
          document.

          For the avoidance of doubt, we consent to the reference to our
     firm under the heading "Legal Matters" in, and to the filing
     of this opinion as an exhibit to, the Registration Statement
     and Prospectus included therein.

This opinion is strictly limited to the matters stated in it.  It
does not apply by implication to other matters.

Yours faithfully

BELL GULLY BUDDLE WEIR

/s/ Bell Gully Buddle Weir








                 CONSENT OF INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts"
and to the use of our reports dated March 16, 1998, in Amendment
No. 2 to the Registration Statement (Form S-4 No. 333-44905) and
related Prospectus of ClimaChem, Inc. for the registration of
$105,000,000 of its 10 3/4% Senior Notes, Series B, due 2007.




                                   /s/ Ernst & Young LLP


                                        Ernst & Young LLP

Oklahoma City, Oklahoma
April 8, 1998



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