WASTE SYSTEMS INTERNATIONAL INC
S-3, 1999-08-06
PATENT OWNERS & LESSORS
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                              Registration No. 333-




                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                 ---------------

                                    FORM S-3
                          REGISTRATION STATEMENT UNDER
                           THE SECURITIES ACT OF 1933
                                 ---------------

                        WASTE SYSTEMS INTERNATIONAL, INC.
             (Exact name of Registrant as specified in its charter)

                         ------------------------------

                 DELAWARE                                  95-420366

      (State or Other Jurisdiction of                   (I.R.S. Employer
       Incorporation or Organization)                  Identification No.)
                         ------------------------------

                          420 Bedford Street, Suite 300
                         Lexington, Massachusetts 02420
                                 (781) 862-3000
          (Address, including zip code, and telephone number, including
             area code, of Registrant's principal executive offices)
                                 ---------------

                                PHILIP W. STRAUSS
                 Chairman, Chief Executive Officer and President
                        WASTE SYSTEMS INTERNATIONAL, INC.
                          420 Bedford Street, Suite 300
                         Lexington, Massachusetts 02420
                                 (781) 862-3000
            (Name, Address, Including Zip Code, and Telephone Number,
                   Including Area Code, of Agent for Service)
                                 ---------------
                                   Copies to:

                             THOMAS P. STORER, P.C.
                           GOODWIN, PROCTER & HOAR LLP
                                 Exchange Place
                                Boston, MA 02109
                                 (617) 570-1000

Approximate  date of commencement  of proposed sale to the public:  From time to
time after the effective date of this Registration  Statement,  as determined by
the Registrant.

         If the only securities  being registered on this form are being offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. [ ]

         If any of the  securities  being  registered  on  this  form  are to be
offered  on a  delayed  or  continuous  basis  pursuant  to Rule 415  under  the
Securities Act of 1933,  other than  securities  offered only in connection with
dividend or interest reinvestment plans, please check the following box. [ x ]

         If this form is used to register additional  securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. [ ]

         If this  form is a  post-effective  amendment  filed  pursuant  to Rule
462(c) under the  Securities  Act,  please check the  following box and list the
Securities  Act  registration   statement   number  of  the  earlier   effective
registration statement for the same offering. [ ]

      If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.  [  ]

<PAGE>

<TABLE>
  <S>                       <C>                <C>                   <C>                         <C>

                                           CALCULATION OF REGISTRATION FEE
- -------------------------- ------------------ --------------------- --------------------------- --------------------
 Title of Each Class of      Amount to be       Proposed Maximum         Proposed Maximum            Amount of
    Securities to be          Registered       Offering Price Per    Aggregate Offering Price    Registration Fee
       Registered                                  Share (1)
- -------------------------- ------------------ --------------------- --------------------------- --------------------
       Common Stock          1,500,000 (2)             --                       --                      --
       par value $0.01

           Warrants          1,500,000 (3)         $6.25 (4 )               $9,375,000               $2,606.25
- -------------------------- ------------------ --------------------- --------------------------- --------------------
</TABLE>

(1)  Estimated  solely for the purpose of calculating  the  registration  fee in
     accordance with Rule 457 under the Securities Act of 1933, as amended (the
     "Securities Act").

(2)  Shares of common stock  issuable by the  registrant  from time to time upon
     exercise of the outstanding warrants.

(3)  Outstanding warrants to purchase an aggregate of 1,500,000 shares of common
     stock.  The 1,500,000  warrants  being  registered  hereby each entitle the
     holder  thereof to purchase one share of common stock,  for an aggregate of
     1,500,000  shares of common stock subject to the warrants.  The outstanding
     warrants,  including  the shares of common  stock  issuable  upon  exercise
     thereof,  are  being  registered  hereby  for sale from time to time by the
     selling securityholders.

(4)  Based on the  exercise  price of $6.25 per share  pursuant  to the terms of
     issuance, in accordance with Rule 457(g) under the Securities Act.

                                 ---------------

     The registrant  hereby amends this  registration  statement on such date or
dates as may be necessary to delay its effective date until the registrant shall
file a further  amendment  which  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 this  registration  statement
shall become  effective on such date as the Securities and Exchange  Commission,
acting pursuant to said Section 8(a), may determine.

Information   contained  herein  is  subject  to  completion  or  amendment.   A
Registration  Statement  relating  to these  securities  has been filed with the
Securities  and Exchange  Commission  but has not yet been  declared  effective.
These  securities may not be sold nor may offers to buy be accepted prior to the
time the Registration  Statement  becomes  effective.  This prospectus shall not
constitute  an offer to sell or the  solicitation  of an offer to buy nor  shall
there  by any sale of  these  securities  in any  state  in  which  such  offer,
solicitation or sale would be unlawful prior to  registration  or  qualification
under the securities laws of any such State.
       Subject to completion, preliminary prospectus dated August 4, 1999

                                   PROSPECTUS


                        Waste Systems International, Inc.

                1,500,000 Shares of Common Stock $0.01 par value

            1,500,000 Common Stock Purchase Warrants exercisable for
                   an aggregate of 1,500,000 Shares of Common
                              Stock $0.01 par value


o The  persons  listed as the selling  securityholders  in this  Prospectus  are
offering to sell:

     -  up to 1,500,000 warrants to purchase an aggregate of 1,500,000 shares of
        Waste Systems common stock, at an exercise price of $6.25 per share; or

     -  up to 1,500,000 shares of Waste Systems common stock, issuable upon
        exercise of the warrants.

o    Waste  Systems's  common  stock is traded  under the  symbol  "WSII" on the
     Nasdaq Stock Market,  Inc.'s SmallCap Market System. On August 2, 1999, the
     reported closing price for the common stock was $6.50 per share.

o    The selling  securityholders  may offer their warrants and shares from time
     to  time  in  stock  exchange  transactions  (shares  only),  in  privately
     negotiated  transactions or by a combination of these methods,  directly or
     indirectly  through  agents,  and at prevailing  market prices or privately
     negotiated  prices.  See  the  "Plan  of  Distribution"   section  of  this
     prospectus.
o
WasteSystems will not receive any proceeds  from the sale of warrants and shares
     by the  selling  securityholders.  We  will  pay  substantially  all of the
     expenses incident to the registration of these warrants and shares,  except
     for the selling commissions.

o    Waste Systems is an integrated non-hazardous solid waste management company
     that provides waste collection,  recycling,  transfer and disposal services
     to commercial,  industrial, residential and municipal customers within some
     regional markets in the Northeast and mid-Atlantic states where we operate.

o    We are a Delaware corporation,  with principal executive offices located at
     420  Bedford  Street,  Suite  300,  Lexington,   Massachusetts  02420;  our
     telephone number is (781) 862-3000.


             Please consider carefully the "Risk Factors" beginning
                          on page 7 of this prospectus.
                              --------------------

  The information in this  prospectus is not complete and may be changed.  These
securities  may  not be  sold  nor  may  offers  to buy be  accepted  until  the
registration  statement  filed with the  Securities  and Exchange  Commission is
effective.  This  prospectus is not an offer to sell these  securities and it is
not soliciting an offer to buy these  securities in any state where the offer or
sale is not permitted.

Neither  the  Securities  and  Exchange  Commission  nor  any  state  securities
commission  has approved or  disapproved  of the common  stock,  nor have any of
these organizations determined that this prospectus is accurate or complete.
Any representation to the contrary is a criminal offense.

                The date of this prospectus is August 4, 1999


<PAGE>

                                TABLE OF CONTENTS


                                                                            Page

FORWARD-LOOKING STATEMENTS....................................................1

PROSPECTUS SUMMARY............................................................2
THE COMPANY...................................................................3

RISK FACTORS..................................................................7
     Limited Market for the Warrants..........................................7
     Issuance of additional equity may be dilutive to stockholders............7
     Future sales of common stock may adversely affect the market
     for our common stock.....................................................7
     Market conditions may reduce the trading price of our common
     stock....................................................................8
     We do not plan to pay dividends to our stockholders .....................9
     Our history of losses makes the common stock a highly speculative
     investment...............................................................9
     Risks of substantial voting control by Waste Systems's management
     and major stockholders...................................................9
     Anti-takeover provisions.................................................9
     Our high level of indebtedness could adversely affect our
     financial health.........................................................10
     Failure to achieve adjusted stockholders equity of at least
     $40,000,000 will increase our interest expense...........................10
     Incurring more debt could further exacerbate the risks of our
     high level of indebtedness...............................................11
     We may not generate enough cash to service our indebtedness or
     our other liquidity needs................................................11
     We have no control over many factors in our ability to finance
      planned growth..........................................................11
     Our future success depends upon our ability to manage rapid
     growth in operations and personnel.......................................12
     Our future success depends upon our ability to identify, acquire
     and integrate acquisition targets........................................12
     Loss of key executives could affect our ability to achieve Waste
     Systems'business objectives..............................................12
     Failed acquisitions or projects may adversely affect our results
     of operations and financial condition....................................12
     Our business may not succeed due to the highly competitive nature
     of the solid waste management industry...................................13
     Seasonal revenue fluctuations may negatively impact our operations.......13
     The geographic concentration of our operations magnifies the risks
     to our success...........................................................13
     Potential difficulties in acquiring landfill capacity could
     increase our costs.......................................................14
     Failure to obtain landfill closure performance bonds and letters
     of credit may adversely affect our business..............................14
     Estimated accruals for landfill closure and post-closure costs
     may not meet our actual financial obligations............................14
     Environmental and other government regulations impose costs and
     uncertainty on our operations............................................14
     We are exposed to potential liability for environmental damage
     and regulatory noncompliance.............................................15
     Our environmental liability insurance may not cover all risks
     of loss..................................................................15
     Addressing local community concerns about our operations may
     adversely affect our business............................................15
     Year 2000 problems could have an adverse impact on our business..........15

RECENT DEVELOPMENTS...........................................................16

DESCRIPTION OF WARRANTS.......................................................20

MATERIAL TERMS OF THE SELLING SECURITYHOLDERS'TRANSACTION.....................24

SELLING SECURITYHOLDERS.......................................................25

PLAN OF DISTRIBUTION..........................................................27

USE OF PROCEEDS...............................................................29

LEGAL MATTERS.................................................................29

EXPERTS.......................................................................29

WHERE YOU MAY FIND MORE INFORMATION...........................................30

DOCUMENTS INCORPORATED BY REFERENCE...........................................30

<PAGE>

                           FORWARD-LOOKING STATEMENTS

        This prospectus includes both historical and forward-looking statements.
These  forward-looking  statements are not facts rather, they are intentions and
expectations relating to our plans,  strategies and prospects under the headings
"Prospectus   Summary",   "Risk   Factors"   and  "Recent   Developments."   The
forward-looking  statements in these sections of the prospectus can generally be
identified by our use of words such as "plan,"  "intend,"  "believe,"  "expect,"
and  other  words of  similar  import.  Although  we  believe  that  our  plans,
intentions  and  expectations  reflected in or suggested by the  forward-looking
statements are reasonable,  we cannot assure you that we will achieve the plans,
intentions  or  expectations.  We urge you to consider  carefully  the important
factors  that  could  cause  actual  results  to  differ   materially  from  the
forward-looking  statements.  Some of these factors are described in the section
entitled  "Risk  Factors"  and  elsewhere  in this  prospectus.  We make all the
forward-looking  statements  in  this  prospectus  only  as of the  date of this
prospectus,   and  we   undertake   no   obligation   to  publicly   update  the
forward-looking statements to reflect subsequent events.

                                       30

                               PROSPECTUS SUMMARY

        This summary highlights selected  information from this prospectus,  but
does  not  contain  all the  information  that  may be  important  to you.  This
prospectus  includes or  incorporates  by reference  information  regarding  our
business  and the selling  securityholders  who are  offering  common  stock for
resale.  We encourage you to review the detailed  information and data appearing
elsewhere or incorporated by reference in this prospectus.  Except in discussing
our business and results of operations and where the context requires otherwise,
references in this prospectus to "we," "us," "our," "Waste Systems" or "Company"
refer to Waste Systems International,  Inc., and not to any of our subsidiaries.
The term "common stock" as used in this  prospectus  refers to the common stock,
par  value  $0.01 per  share,  of Waste  Systems  International,  Inc.  The term
"warrants"as used in this prospectus refers to the 1,500,000  warrants issued by
Waste Systems on March 2, 1999 and currently outstanding, each of which entitles
the holder to purchase  one share of common stock at a price of $6.25 per share,
exercisable  after September 2, 1999.  Please see the section of this prospectus
below entitled "Securities to be Offered" for a more detailed description of the
common stock and the warrants.


                            SECURITIES TO BE OFFERED

        This  prospectus  relates to the offer and sale from time to time by the
persons  listed  in  this  prospectus  as  the  selling  securityholders  of the
securities  described  below.  These securities are being registered by us under
the terms of a registration  rights agreement.  We will pay substantially all of
the  expenses  incident  to the  registration  of these  shares,  except for the
selling commissions.

        On March 2, 1999, we completed  the private  offering and sale of $100.0
million  principal  amount  of 11 1/2%  Senior  Notes due 2006 and  warrants  to
purchase  an  aggregate  of  1,500,000  shares  of common  stock to the  initial
purchaser,  First Albany Corporation.  The senior notes are guaranteed by all of
our current subsidiaries.

        At the time of that private sale, we entered into a registration  rights
agreement  with the  initial  purchaser  relating to the  registration  with the
Securities and Exchange  Commission of the warrants and the common stock subject
to the warrants.  Accordingly, we have filed the registration statement relating
to this prospectus, and we currently intend to cause it to be declared effective
on or prior to October 28, 1999 and to keep it  effective  during the  effective
period prescribed in the warrant  registration rights agreement.  Please see the
section  of  this   prospectus   entitled   "Material   Terms  of  the   Selling
Securityholders'   Transaction"   for  a  more  complete   description  of  this
transaction and our obligations under it.

        Below is a  summary  of the  securities  being  offered  by the  selling
securityholders in this prospectus:


   Issuer              - Waste Systems International, Inc., a corporation
                         organized and existing under the laws of Delaware.

   Sellers             - Persons listed as selling  securityholders  in
                         the section of this prospectus  entitled "Selling
                         Securityholders." The selling securityholders may offer
                         their  shares  from  time to time in stock exchange
                         transactions, in privately negotiated transactions or
                         by a combination of these methods, directly or
                         indirectly through agents, and at prevailing market
                         prices or privately negotiated prices. See the "Plan of
                         Distribution" section of this prospectus.

   Securities Offered  - 1,500,000 warrants each exercisable to purchase one
                         share of common stock.

                       - 1,500,000 shares of common stock issuable upon exercise
                         of the warrants.


     Use of Proceeds - We will not receive  any cash  proceeds  from the sale of
the warrants and shares of common  stock.  We are  registering  the warrants and
common  stock  offered by the  selling  securityholders  solely to  satisfy  our
obligations under a registration rights agreement.

   Warrant Terms - Exercise price: $6.25 per warrant, exercisable to purchase
                   one share of common stock

                 - Exercise period: warrants are exercisable from September 2,
                   1999 to March 2, 2004.

                 - Adjustments: warrants are subject to adjustment upon the
                   occurrence of certain events as provided in the Warrant
                   Agreement.

                 - For a more complete description of warrant terms, see the
                   section of this prospectus entitled "Description of
                   Warrants."

     Common Stock - Exchange  Listing:  the common stock currently trades on the
Nasdaq Stock Market,  Inc.'s  SmallCap Market System under the symbol "WSII." On
August 2, 1999,  the reported  closing  price for the common stock was $6.50 per
share.


                                   THE COMPANY

        We are an integrated  non-hazardous  solid waste management company that
provides  waste  collection,   recycling,  transfer  and  disposal  services  to
commercial, industrial, residential and municipal customers within some regional
markets in the  Northeast  and  Mid-Atlantic  states  where we  operate.  We are
achieving significant growth by implementing an active acquisition strategy, and
plan to  contribute to our growth by  generating  increased  sales from existing
operations  and achieving  greater  operating  efficiencies.  Waste Systems is a
Delaware corporation. Our principal executive offices are located at 420 Bedford
Street,  Suite 300, Lexington,  Massachusetts 02420, and our telephone number is
(781) 862-3000.

Current Integrated Operations

        We  currently  operate,  and  intend to  expand,  regional  networks  of
integrated waste collection and disposal  operations.  These integrated networks
consist of operating  landfills,  waste transfer stations,  and waste collection
operations.

        o       Waste Collection Operations

        We own multiple waste collection  operating  subsidiaries which serve as
conduits of waste flow to our transfer stations and landfill  operations.  As of
June 9, 1999, our waste  collection  operations  serve a total of  approximately
72,000  commercial,  industrial,  residential  and  municipal  customers  in the
Vermont,  Central  Pennsylvania,  Upstate  New  York and  Central  Massachusetts
markets. Since then we have acquired an additional waste collection and transfer
station operation servicing the Baltimore, Maryland/Washington, D.C. region, and
completed the acquisition of established  waste  collection and transfer station
operations in Southern New Hampshire and Eastern Massachusetts.

        o       Landfill Operations

        We  currently  own four  landfills,  one in Vermont and three in Central
Pennsylvania.  Two of these were operating in 1998, and generated  approximately
20% of our 1998  revenues.  Of the remaining  two, one began  operating in March
1999 with the  acquisition of Community  Refuse  Service,  Inc. and we expect to
begin operating the other in the fourth quarter of 1999. The aggregate remaining
estimated  permitted  capacity of these four owned landfills is approximately 24
million cubic yards.  In addition,  we have a 16-year  contract with the Town of
South Hadley,  Massachusetts to operate that town's landfill, subject to receipt
of required permits,  which we expect to begin operating in the first quarter of
2000. The South Hadley  landfill has an estimated  capacity of 2.0 million cubic
yards available for future disposal.

        o       Transfer Station Operations

        We provide transfer station services supporting one of our landfills and
have  acquired  another  transfer  station  that  is  permitted  and  has  begun
construction.  We  recently  completed  the  acquisition  of an  operation  that
provides  both waste  collection  and transfer  station  services.  We have also
recently  completed the  acquisition of two additional  transfer  stations.  The
transfer stations serve as gateways of waste streams by receiving and compacting
solid waste  collected  by us and by third  parties,  which we then  transfer by
long-haul trucks for disposal at landfills we operate.

The Movement of the Solid Waste Management Industry Toward Consolidation and
Integration

        The solid waste management  industry is undergoing general trends toward
significant  consolidation  and  integration.  We believe  these  trends are due
primarily to the following factors:

    o  stringent environmental regulations which require increased capital to
       maintain regulatory compliance;

    o  the inability of many smaller operators to achieve the competitive
       economies of scale enjoyed by larger operators;

    o  the competitive and economic benefits of providing integrated collection,
       recycling, transfer and disposal services; and

    o  the privatization of solid waste landfills, transfer stations, and
       collection services by municipalities.

        Although  significant  consolidation has occurred within the solid waste
management industry,  we believe the industry remains highly fragmented and that
a substantial  number of potential  acquisition and privatization  opportunities
remain, including in the Northeast and Mid-Atlantic states where we operate.

Our Strategy to Capitalize on Industry Consolidation and Integration

        We seek to acquire independent collection, transfer station and landfill
operations  in  appropriate  locales to integrate  those  acquisitions  into our
current  operations.  Our  objective  is to expand the  geographic  scope of our
operations and to become one of the leading non-hazardous solid waste management
companies  in each local  market  that we serve.  The  primary  elements  of our
strategy for achieving these objectives are:

        o      Executing  our  acquisition   program.  Our  acquisition  program
               consists  of   identifying   regional   markets   and   acquiring
               non-hazardous  solid  waste  disposal  assets  in those  targeted
               markets that we can operate as part of a fully  integrated  solid
               waste  management  operation.  To  establish  ourselves  within a
               selected market,  we seek  acquisitions  that are consistent with
               our plan to  acquire  long-term  disposal  capacity  in  targeted
               regional markets,  collection  companies and transfer stations in
               the targeted regions to secure a stable long-term waste flow, and
               small  but  complementary   "tuck-in"   collection  companies  to
               increase a regional operation's profitability.

        o      Generating  internal growth.  We plan to generate internal growth
               from existing  operations by increasing sales  penetration in our
               current  and  adjacent   markets,   soliciting  new   commercial,
               industrial and residential customers, marketing upgraded services
               to existing customers and, where appropriate, raising prices.

        o      Increasing  operating  efficiency.  We  expect  to  increase  our
               operating efficiency through  implementation of an organizational
               system  that sets  operating  standards  and  analyzes  operating
               criteria  of  our  collection,   transfer,   disposal  and  other
               services.


        In connection with our growth strategy,  Waste Systems  currently is and
at any given time will be involved in potential acquisitions that are in various
stages of exploration and negotiation,  ranging from initial  discussions to the
execution of letters of intent and the  preparation  of  definitive  agreements.
Some of these potential acquisitions may be material. No assurance can be given,
however,  that we will be  successful  in  completing  further  acquisitions  in
accordance with our growth strategy, or that acquisitions, if completed, will be
successful.  For a  description  of the risks  involved in our growth  strategy,
please refer to the subsections of the "Risk Factors" section of this prospectus
on page 11  beginning  with "We have no control over many factors in our ability
to finance planned growth."

Our Key Strengths

        Through  the  implementation  of our  growth  strategy,  we  believe  we
demonstrate the following key strengths:

        o       Development of Fully Integrated Operations

        We continue to develop more fully integrated  operations in our targeted
market  areas.  During  1998,  over 95% of the  solid  waste  from  our  Vermont
operations  was delivered for disposal at our Moretown,  Vermont  landfill,  and
approximately  40% of the solid waste  delivered  for  disposal at the  Moretown
landfill during this period was collected by us. During 1998,  approximately 59%
of the solid waste from our Central  Pennsylvania  operations  was delivered for
disposal at the Sandy Run landfill in Hopewell,  Pennsylvania, and approximately
60% of the solid waste  delivered for disposal at the Sandy Run landfill  during
this period was  collected  by us. We expect to begin  integration  of our waste
collection  operations and transfer  station  services in Central  Massachusetts
once the South Hadley landfill is operational.  We recently acquired our Upstate
New York waste  collection and transfer  station  operations in  anticipation of
landfill acquisition and privatization opportunities in that market area.

        o       Operating Efficiencies

        We are achieving significant  operating  efficiencies and reducing costs
through  consolidation  and  elimination  of  redundant  corporate  and  service
functions in acquired businesses.

        o       Significant Disposal Capacity

        We have  approximately  26.0 million cubic yards of landfill capacity in
landfills  we own or  operate,  of which  9.9  million  cubic  yards  are  fully
permitted and operating.  We recently began  construction  on an additional 14.2
million  cubic  yards of  landfill  capacity,  and 2.0  million  cubic yards are
engaged in the final  permitting  process.  This significant  disposal  capacity
gives us the opportunity to achieve a high degree of internalization by allowing
room for disposal of the waste streams  generated by our growing  collection and
transfer operations.

        o       Successful Acquiror and Consolidator

        We believe that we have demonstrated our ability to realize value in the
fragmented solid waste management  industry by completing  acquisitions of three
landfills,  five transfer stations,  and 41 solid waste collection operations in
the Northeast  and  Mid-Atlantic  regions  since  January  1998.  Please see the
section of this prospectus entitled "Recent  Developments"  beginning on page 16
for a more  complete  description  of  our  current  activities.  We  have  been
effective in executing our acquisition  program to expand our solid waste assets
in our targeted regional markets at prices we believe will provide opportunities
for increased  profits and  flexibility in operations.  As a result of executing
our  acquisition  program,  we have realized  significant  growth in revenue and
earnings before interest,  taxes, depreciation and amortization or EBITDA, which
we believe is a measure  commonly used by lenders and some investors to evaluate
a company's performance in our industry.

        o       Strong Management Team

        Our  management  team has a  demonstrated  track record of  identifying,
acquiring,  integrating and operating non-hazardous solid waste disposal assets.
Our  executives and operation  managers  average 13.2 years of experience in the
solid waste disposal industry. In addition, senior management owns a significant
equity stake in Waste Systems, which motivates them to achieve our objectives to
maximize the value of their Waste Systems stock.


Risk Factors

        You should  consider  carefully all of the information set forth in this
prospectus  and, in particular,  the specific  factors set forth under the "Risk
Factors" section beginning on page 7 before deciding to invest in the securities
being offered in this prospectus.

                                  RISK FACTORS

        In  addition  to the other  information  contained  or  incorporated  by
reference  in  this  prospectus,  you  should  consider  the  following  factors
carefully in  evaluating  an investment in the warrants and the shares of common
stock offered by this prospectus.

Limited Market for the Warrants

        We do not  intend  to list  the  warrants  for  quotation  on any  stock
exchange.  If the warrants are traded after their initial resale, they may trade
at a discount from their  initial  offering  price,  depending  upon  prevailing
interest rates, the market for similar  securities,  the financial  condition of
the Company and other factors  beyond our control,  including  general  economic
conditions.  Accordingly,  investors  deciding  whether or not to  purchase  any
warrants  should  take  into  account  the  potentially  illiquid  nature  of an
investment in the warrants.

Issuance of additional equity may be dilutive to stockholders.

        Future  issuance of  additional  equity by us may dilute the interest of
our existing stockholders. We currently have:

        o      up to 1,500,000 shares of common stock issuable upon exercise of
               the warrants offered for resale in this prospectus;

        o      up to 4,955,143  shares of common stock issuable upon  conversion
               of our 7% Convertible  Subordinated  Notes outstanding as of June
               30, 1999,  which are  convertible at $10 per share at any time by
               the holders of the notes,  and by us if the closing  price of the
               common stock after May 13, 2000  remains  above $10 per share for
               twenty consecutive trading days;

        o      up  to  1,576,292  shares  of  our  common  stock  issuable  upon
               conversion,  which is subject to stockholder approval, of the 894
               shares  of  our  Series  C  Preferred   Stock  issued  to  former
               stockholders  of  Eastern   Trans-Waste  of  Maryland,   Inc.  as
               consideration  in our  recently  completed  acquisition  of  that
               company;

        o      up to 3,175,768  shares of common stock issuable upon exercise of
               options  outstanding  as of June 30, 1999 under our stock  option
               plans,  subject to vesting  requirements,  at prices ranging from
               $1.41 to $9.25; and

        o      an additional 824,232 shares of common stock reserved for
               issuance as of June 30, 1999 under our stock option plans.

        In  addition,  on July 30, 1999,  we  completed an initial  closing of a
private  placement  in which we  issued  571,429  shares  of  common  stock  for
aggregate  consideration  of $4  million,  and on August 2, 1999 we  completed a
subsequent  closing of the private  placement in which we issued an additional 1
million  shares of common stock for  aggregate  additional  consideration  of $7
million.  The proceeds  from the private  placement  will be used for  potential
future acquisitions and general working capital purposes.  We anticipate holding
additional  subsequent  closings under the private placement for the issuance of
up to an additional  1,285,714 shares, for a total of 2,857,143 shares and gross
total private placement proceeds of $20 million. Finally, our ability to achieve
our  business  objectives  depends on our use of a blend of debt  financing  and
equity financing  appropriate for executing our business strategy. To the extent
that  additional  equity  securities are issued to finance  future  acquisitions
instead of issuing  additional debt, the interests of our existing  stockholders
will be diluted.


Future  sales of common  stock may  adversely  affect  the market for our common
stock.

        Stockholders  may be adversely  affected by future sales of common stock
by  other  stockholders.  If any of our  larger  stockholders  sell  substantial
amounts of our common stock  eligible for resale in the public market after this
offering,  the market price of our common stock could fall.  Such sales may also
make it more  difficult  for us in the future to sell  equity or  equity-related
securities in the public  market,  whether for the purpose of general  corporate
financing  or for use as  consideration  in an  acquisition,  at a time and at a
price that we deem appropriate.

        Upon completion of this offering,  we will have 13,405,394 shares of our
common stock outstanding  (based on the number of shares  outstanding as of June
30, 1999 and assuming no exercise of outstanding stock options after that date).
Of these shares,  6,348,768 shares are freely tradable without restriction under
the Securities Act of 1933 (the "Securities  Act").  Also,  7,512,548 shares are
currently  eligible for sale in the public market subject to compliance with the
volume and other  limitations of Rule 144 under the Securities  Act, and 455,922
shares will  become  eligible  for sale at various  times after the date of this
prospectus under Rule 144.

        In addition, we have already registered for resale:

o              up to 4,955,143  shares of common stock issuable upon  conversion
               of our 7%  Convertible  Subordinated  Notes  at any  time  by the
               holders of the notes; and

o              up to 2,244,109 shares of common stock for resale by stockholders
               who  received  those shares in exchange for a portion of their 7%
               Convertible   Subordinated   Notes  (see  the   section  of  this
               prospectus  entitled  "Recent  Developments--Exchange  of  Common
               Stock for 7% Convertible  Subordinated Notes due 2005" for a more
               complete description of this transaction);

o 4,000,000  shares of common stock reserved for issuance under our stock option
plans.

        In addition, we currently intend to register:

o              warrants to purchase an aggregate  of 1,500,000  shares of common
               stock at an  exercise  price of $6.25 per  share,  and the common
               stock issuable upon exercise of those warrants, for resale by the
               holders  (see the  section of this  prospectus  entitled  "Recent
               Developments--Senior   Notes   Offering"   for  a  more  complete
               description  of the private  placement  and related  registration
               rights);

        o      up to  2,678,620  shares  of our  common  stock  issued to former
               stockholders  of  Eastern  Trans-Waste  of  Maryland,  Inc.  as a
               portion of the  consideration  we paid in our recently  completed
               acquisition  of  that  company,   under  a  registration   rights
               agreement with its sellers;

        o      up  to  1,576,292  shares  of  our  common  stock  issuable  upon
               conversion,  which is subject to stockholder approval, of the 894
               shares  of  our  Series  C  Preferred   Stock  issued  to  former
               stockholders  of  Eastern   Trans-Waste  of  Maryland,   Inc.  as
               consideration  in our  recently  completed  acquisition  of  that
               company,  under a registration rights agreement with its sellers;
               and

o              up to 2,857,143 shares of common stock for resale by stockholders
               who receive those shares in our recent private placement (see the
               section of this prospectus entitled "Recent Developments--Private
               Placement of Common  Stock" for a more  complete  description  of
               this transaction).


Market conditions may reduce the trading price of our common stock

        The market price of our common stock has  historically  experienced  and
may continue to experience high  volatility.  Our quarterly  operating  results,
changes in general  conditions in the economy or the financial markets and other
developments affecting us or our competitors could cause the market price of our
common stock to fluctuate substantially. In addition, in recent years, the stock
market  has  experienced   significant  price  and  volume  fluctuations.   This
volatility has affected the market prices of securities issued by many companies
for reasons  unrelated to their operating  performance and may adversely  affect
the price of our common stock.

We do not plan to pay dividends to our stockholders

        We have never  declared or paid a cash dividend on our common stock.  We
intend  to  retain  earnings  to  repay  debt  and to  finance  the  growth  and
development of our business and do not  anticipate  paying cash dividends on our
common stock in the  foreseeable  future.  Any  declaration  of dividends in the
future  will  depend,  among  other  things,  upon our  results  of  operations,
financial  condition  and  capital  requirements  as  well as  general  business
conditions.  Our outstanding  debt securities  also contain  restrictions  which
prohibit us from making dividend payments to our stockholders.

Our history of losses makes the common stock a highly speculative investment.

        From Waste  Systems's  inception  through  March 31,  1999,  we have had
aggregate net losses of  approximately  $43.9  million on aggregate  revenues of
approximately $36.2 million and had an accumulated loss from operations of $26.0
million.  Following Waste Systems's restructuring in 1996, we directed our focus
on becoming an  integrated  solid waste  management  company by  implementing  a
business strategy based on aggressive growth through  acquisitions.  Our ability
to become  profitable  and to maintain  profitability  as we pursue our business
strategy will depend upon several factors, including our ability to:

  o  execute our acquisition strategy and expand our revenue generating
     operations while maintaining or reducing our proportionate administrative
     expenses;

  o  locate sufficient financing to fund acquisitions; and

  o  adapt to changing conditions in the competitive market in which we operate.

External factors,  such as the economic and regulatory  environments in which we
operate will also have an effect on our business and its profitability. However,
continued  losses and negative cash flow may not only prevent us from  achieving
our  strategic  objectives,  it may also  limit our  ability  to meet  financial
obligations.

Risks of  substantial  voting  control by Waste  Systems's  management and major
stockholders.

        As of June 30, 1999, Waste Systems's  directors,  executive officers and
their affiliates and other major stockholders  --those holding 5% or more of the
common stock -- beneficially owned approximately 86.5% of the outstanding shares
of common  Stock.  Accordingly,  these  stockholders  are  considered  to have a
controlling  influence  over the election of directors  and other  corporate and
stockholder actions.

Anti-takeover provisions.

        Applicable  sections of the  Delaware  General  Corporation  Law and our
charter and by-laws may have an  anti-takeover  effect and  discourage  takeover
attempts not first approved by our Board of Directors (including takeovers which
our stockholders  may consider to be in their best  interests).  Such provisions
include:

        o      Section 203 of the Delaware  General  Corporation  Law which,  in
               general,  imposes  restrictions upon certain acquirors (including
               their  affiliates  and  associates)  of 15% or more of our common
               stock;

        o      a charter  provision giving our Board of Directors the ability to
               issue  shares of  preferred  stock and to  establish  the  voting
               rights,  preferences  and other terms of preferred  stock without
               further action by stockholders;

        o      a charter  provision  limiting the removal of directors  only for
               cause and  requiring  for such  removal the  approval of at least
               two-thirds of the votes  eligible to be cast by  stockholders  in
               the election of such director;

        o      a by-law provision  vesting  exclusive  authority in the Board of
               Directors  to determine  the size of the Board of Directors  and,
               subject to limited exceptions, to fill any Board vacancies;

        o      a by-law provision vesting exclusive authority in the Board of
               Directors to call special meetings of stockholders; and

        o      a by-law  provision  requiring  advance  notice  for  stockholder
               proposals and nominations for election to the Board of Directors.

These  statutory,  charter and by-law  provisions  could delay or frustrate  the
removal of incumbent  directors or the  assumption  of control by  stockholders,
even  if  such  removal  or   assumption  of  control  would  be  beneficial  to
stockholders.  These  provisions also could  discourage or make more difficult a
merger,  tender offer or proxy contest,  even if such events would be beneficial
to the interest of stockholders.

Our high level of indebtedness could adversely affect our financial health.

        We currently have a high level of indebtedness relative to stockholders'
equity.  The following tables  illustrate our level of indebtedness and ratio of
earnings to fixed charges:

                                                         As of March 31, 1999
                                                        (dollars in thousands)

             Long-term indebtedness.....................      $   152,057
             Stockholders' equity.......................      $     5,892
             Debt to equity ratio.......................           25.7:1

Our high level of indebtedness could:

   o limit our flexibility in planning for, or reacting to, changes in business,
     industry and economic conditions;

   o  require us to dedicate a substantial portion of our cash flow from
      operations to repaying indebtedness, thereby reducing the availability of
      our cash flow to fund working capital, capital expenditures and other
      general corporate purposes;

   o  place us at a competitive disadvantage compared to our competitors with
      lower levels of indebtedness; and

   o  limit our ability to borrow additional funds because of a potential
      lender's limits on borrower indebtedness.

        Our high level of indebtedness  may have a direct negative impact on our
operations. It may also result in an event of default under our debt instruments
which,  if not cured or  waived,  could have a  material  adverse  effect on our
finances.
<TABLE>
       <S>                                                      <C>                     <C>           <C>

                                                                   For the three        For the Years Ended
                                                                   months ended            December 31,
                                                                  March 31, 1999        1998          1997
                                                                  --------------        ----          ----

        Ratio of earnings to fixed charges......................        N/A              N/A           N/A
</TABLE>

        For the three months  ended March 31, 1999,  we incurred net losses that
did not cover fixed charges by  approximately  $8.8 million;  for the year ended
December  31, 1998,  we incurred net losses that did not cover fixed  charges by
approximately  $6.6  million;  and for the year  ended  December  31,  1997,  we
incurred  net losses  that did not cover  fixed  charges by  approximately  $5.5
million.  For purposes of computing this financial  relationship  of earnings to
fixed  charges,  earnings  consist  of  pretax  income  (loss)  from  continuing
operations  plus fixed charges.  Fixed charges  consist of interest  expense and
financing  costs,  including  capitalized  interest and amortization of deferred
financing  costs,  and an  estimated  portion of rentals  representing  interest
costs.

Failure to achieve  adjusted  stockholders  equity of at least  $40,000,000 will
increase our interest expense.

        We must  increase the interest  rate payable on the senior notes to 13%,
14% and 15% per year if we do not achieve an Adjusted  stockholders'  equity, as
defined below,  of at least  $40,000,000 on each of December 31, 1999,  June 30,
2000, and December 31, 2000, respectively. "Adjusted stockholders' equity" means
our  stockholders'  equity as shown on our consolidated  balance sheets filed as
part of our regular  reports with the Securities and Exchange  Commission,  less
the amount of any increase resulting from the issuance of shares of common stock
in exchange for our outstanding 7% Convertible Subordinated Notes, to the extent
that the issuance exceeds 2,343,646 shares of common stock in the aggregate.

Incurring  more debt  could  further  exacerbate  the risks of our high level of
indebtedness.

Despite  our  current  high  level  of  indebtedness,  we may  incur  additional
indebtedness to fund  acquisitions,  for general working capital purposes or for
other  reasons.  On July 22, 1999, we entered into a revolving  credit  facility
with BankNorth Group, N.A. to fund acquisitions and for general working capital.
While no credit has been drawn on this facility to date, the agreement  provides
for up to $25 million in secured debt that is guaranteed by our subsidiaries. If
other  new debt is added to our  current  level of debt,  the  related  risks of
indebtedness could intensify for us.

We may not  generate  enough  cash to  service  our  indebtedness  or our  other
liquidity needs.

        Our ability to make payments on and to refinance our indebtedness and to
fund planned capital expenditures will depend on our ability to generate cash in
the future.  This ability  depends in part on our operating  performance and the
execution of our business  strategy.  It is also subject to influence by general
economic, financial, competitive, legislative, regulatory and other factors that
are beyond our control.

        We cannot  assure you that our business will  generate  sufficient  cash
flow  from  operations,  that we will  realize  anticipated  cost  savings  from
operating  efficiency  improvements,  or that we will be able to  obtain  future
financing in amounts sufficient to enable us to pay our indebtedness, or to fund
our other liquidity needs.

        The  following   table  outlines  the  schedule  of  our  required  debt
amortization payments:

<TABLE>
<S>                     <C>          <C>    <C>      <C>      <C>     <C>       <C>    <C>      <C>       <C>         <C>

                        Balance at
                         March 31,                      Principal Payments Due During
                           1999       1999   2000    2001     2002     2003     2004    2005     2006     Remainder    Total
                           ----       ----   ----    ----     ----     ----     ----    ----     ----     ---------    -----
                                                                (dollars in thousands)

Long-Term Debt
Bank Credit Facility..          -        -       -        -       -        -        -        -         -         -           -
Capital Leases,
  Equipment and Other
  Notes Payable.......   $  2,106   $  216  $  281  $   306  $  334   $  282  $   139  $   153  $    169   $   226    $  2,106
Senior Notes..........    100,000        -       -        -       -        -        -        -   100,000         -     100,000
10% Convertible
  Subordinated Debentures     400        -     400        -       -        -        -        -         -         -         400
7% Convertible
  Subordinated Notes..     49,551        -       -        -       -        -        -   49,551         -         -      49,551
                         --------   ------  ------  -------  ------   ------  -------  -------  --------   -------    --------

         Total........   $152,057   $  216  $  681  $   306  $  334   $  282  $   139  $49,704  $100,169   $   226    $152,057
                         ========   ======  ======  =======  ======   ======  =======  =======  ========   =======    ========
</TABLE>


            We may need to refinance all or a portion of our  indebtedness on or
     before maturity. We cannot assure you that we will be able to refinance any
     of our indebtedness on commercially reasonable terms or at all.

     We have no  control  over many  factors in our  ability to finance  planned
growth.

            We require  substantial  funds to complete  and bring to  commercial
     viability all of our currently  planned  projects.  We also anticipate that
     future  business  acquisitions  will be financed not only through cash from
     operations  and the proceeds  from  previous  debt  offerings,  but also by
     future borrowings under bank credit facilities,  offerings of Waste Systems
     stock as consideration for acquisitions, or from the proceeds of additional
     equity or debt  financings.  Therefore,  our  ability to satisfy our future
     capital and  operating  requirements  for planned  growth is dependent on a
     number of pending or future financing activities,  and we cannot assure you
     that any of these financing activities will be successfully completed.


Our future success depends upon our ability to manage rapid growth in operations
and personnel.

        Our objective is continued  growth by expanding our services in selected
markets where we can be one of the largest and most profitable  fully-integrated
solid waste  management  companies.  Accordingly,  we may experience  periods of
substantial  rapid growth.  This growth could place a significant  strain on our
operational,   financial  and  other  resources.   Any  failure  to  expand  our
operational and financial  systems and controls in an efficient manner at a pace
consistent with our growth could have a material adverse effect on our business,
financial condition and results of operations.

        Our future success is also highly dependent upon our continuing  ability
to identify,  hire,  train and motivate a sufficient  number of highly qualified
personnel for our planned growth.  We face competition for recruiting  qualified
personnel  from our  competitors,  other  companies not in the waste  management
industry, government entities and other organizations. We cannot assure you that
we will be  successful  in  attracting  and  retaining  qualified  personnel  as
required for our present and future planned operations. Our inability to attract
and retain a  sufficient  number of  qualified  personnel  could have a material
negative impact on our business, financial condition and results of operations.

Our future success  depends upon our ability to identify,  acquire and integrate
acquisition targets.

        Our future  success is highly  dependent  upon our continued  ability to
successfully identify,  acquire and integrate additional solid waste collection,
recycling,  transfer  and  disposal  businesses.  As the solid waste  management
industry continues to consolidate, competition for acquisition candidates within
the industry  increases  and the  availability  of suitable  candidates on terms
favorable to us may decrease. We compete for acquisition candidates with larger,
more established companies that may have significantly greater capital resources
than we do, which can further decrease the availability of suitable  acquisition
candidates at prices affordable to us. We cannot assure you that we will be able
to  identify  suitable  acquisition   candidates,   to  successfully   negotiate
acquisitions on terms reasonable to us given our resources,  to obtain financing
for those targets on favorable terms, or to successfully  integrate any acquired
targets with our current operations.

        We  believe  that a  significant  factor in our  ability  to  consummate
acquisitions will be the attractiveness of our common stock as consideration for
potential  acquisition  targets.  This  attractiveness  may be,  in large  part,
dependent  upon the relative  market  price and capital  prospects of our equity
securities as compared to the equity securities of our competitors. Our stock is
traded on the Nasdaq Stock Market,  Inc.'s  SmallCap  Market,  while some of our
competitors' stock is traded on larger,  more recognized  markets.  In addition,
some of our competitors have a significantly  larger  capitalization than we do,
which  generally  results  in a more  liquid  market for their  publicly  traded
securities. If the market price of our common stock were to decline, we might be
unable to use our common stock as consideration for future acquisitions.

Loss of key  executives  could  affect our  ability to  achieve  Waste  Systems'
business objectives.

        We depend to a high degree on the services of Philip Strauss,  Chairman,
Chief Executive Officer and President,  and Robert Rivkin,  Director,  Executive
Vice  President_Acquisitions,  Chief Financial Officer, Secretary and Treasurer,
in planning to achieve our business objectives.  We have obtained $1 million key
executive insurance policies for each of Messrs. Strauss and Rivkin. However, if
we lost the  services of either of these  executives,  our  business,  financial
condition and results of operations could suffer material adverse effects.

Failed  acquisitions or projects may adversely  affect our results of operations
and financial condition.

        In accordance with generally accepted accounting  principles,  we record
some  expenditures and advances relating to acquisitions,  pending  acquisitions
and  landfill  projects  as  assets  on our  balance  sheet,  then  amortize  or
depreciate  these  capitalized  expenditures  and  advances  over time,  usually
matching an asset's depreciation against the revenues it generates. We also have
an accounting  policy to record as an expense in the current  accounting  period
all unamortized capital expenditures and advances relating to any operation that
is permanently shut down, any acquisition that will not be consummated,  and any
landfill project that is terminated.  As a result of these accounting practices,
we may  have  to  record  the  entire  capitalized  expenditure  of  any  failed
acquisition or terminated project as a charge against earnings in the accounting
period in which the failure or termination  occurs. A large,  unexpected expense
against typical  earnings could have a material adverse effect on our results of
operations, financial condition and our business.

Our business may not succeed due to the highly  competitive  nature of the solid
waste management industry.

        The  solid  waste   management   industry  is  highly   competitive  and
fragmented,  and solid waste management operations require substantial labor and
capital resources.  Competition exists for collection,  recycling,  transfer and
disposal service customers,  as well as for acquisition  targets. The markets we
compete  in or are  likely  to  compete  in  usually  are  served by one or more
national,  regional  or local  solid  waste  companies  who may have a respected
market  presence,  and who may have  greater  financial,  marketing or technical
resources  than those  available to us.  Competition  for waste  collection  and
disposal  business is based on price,  the  quality of service and  geographical
location.  From time to time, competitors may reduce the price of their services
in an effort to expand or  maintain  market  share or to win  competitively  bid
contracts.

        We  also  compete  with  counties,   municipalities   and  operators  of
alternative  disposal  facilities  that operate their own waste  collection  and
disposal facilities.  The availability of user fees, charges or tax revenues and
the availability of tax-exempt financing may provide a competitive  advantage to
public sector competitors in solid waste management.  Additionally,  alternative
disposal facilities such as recycling and incineration may reduce the demand for
the  landfill-based  solid waste disposal  services that we provide and on which
our  strategy  is  based.  We cannot  assure  you that we will be able to remain
competitive with our larger and better capitalized  private  competitors or with
tax-advantaged public sector operators.

Seasonal revenue fluctuations may negatively impact our operations.

        Our revenues and results of operations tend to vary seasonally.  We tend
to have lower  revenues in the winter months of the fourth and first quarters of
the calendar  year than in the warmer  months of the second and third  quarters.
The primary reasons for lower revenues in the winter months include:

    o  harsh winter weather conditions that interfere with collection and
       transportation activities;

    o  the volume of winter month waste in our operating regions is generally
       lower than that which occurs in warmer months; and

    o  the construction and demolition activities which generate landfill waste
       are primarily performed in the warmer seasons.

We believe that the  seasonality  of the revenue stream will not have a material
adverse effect on our business, financial condition and results of operations on
an annualized  basis.  Still,  higher warm weather revenues may not offset lower
cold  season  revenues,  and  seasonal  revenue  fluctuations  may  make it more
difficult to manage and finance our business successfully.

The  geographic  concentration  of our  operations  magnifies  the  risks to our
success.

        Waste  Systems has  established  solid waste  management  operations  in
Central Pennsylvania, Vermont, Upstate New York and central Massachusetts. Since
our current primary source of revenues will be concentrated in these  geographic
locations, our business,  financial condition and results of operations could be
materially  affected by  downturns  in these  local  economies,  severe  weather
conditions in these regions, and state and local regulations.  Factors that have
a greater  impact on our selected  markets than on other  regions of the country
are more  likely to have a negative  effect on our  business  than on our larger
regional and national competitors in the waste management industry.


        Industry  consolidation in our operating  regions has also increased the
competition  for  customers  who  generate  waste  streams.  This  may  make  it
increasingly  difficult to expand  operations  within our selected  markets.  We
cannot  assure you that we will be able to continue to increase  the local waste
streams to our operating  landfills or be able to expand our geographic  markets
to  mitigate  the  effects of adverse  economic  events  that may occur in these
regions. As a result of our geographic concentration, we are exposed to a higher
degree of risks than our geographically more diverse competitors.

Potential difficulties in acquiring landfill capacity could increase our costs.

        Our  operations  depend on our ability to expand the landfills we own or
operate and to develop or acquire new landfill  sites. We cannot assure you that
we will be successful in obtaining new landfill sites or expanding the permitted
capacity of our existing  landfills.  The process of obtaining  required permits
and  approvals  to open  new  landfills,  and to  operate  and  expand  existing
landfills has become increasingly difficult and expensive.  The process can take
several years and involves  hearings and compliance  with zoning,  environmental
and other  requirements.  We cannot  assure  you that we will be  successful  in
obtaining and maintaining  required  permits to open new landfills or expand the
existing landfills we own or operate.

        Even when  granted,  final  permits  to expand  landfills  are often not
approved until the remaining capacity of a landfill is very low. In the event we
exhaust our permitted  capacity at one of our  landfills,  our ability to expand
internally  will be  limited  and we  will be  required  to cap and  close  that
landfill.  Furthermore,  as the solid waste  management  industry  continues  to
consolidate,   there  will  be  greater   competition  for  potential   landfill
acquisitions.  As a result of insufficient landfill capacity, we could be forced
to transport waste greater distances to our own landfills that have capacity, or
to dispose of waste locally at landfills operated by our competitors.  In either
case, the additional  costs we would incur could have a material  adverse effect
on our business.

Failure to obtain landfill closure  performance  bonds and letters of credit may
adversely affect our business.

        We may be required to post a performance  bond, surety bond or letter of
credit to ensure proper closure and  post-closure  monitoring and maintenance at
some of our landfills and transfer  stations.  Our failure to obtain performance
bonds,  surety bonds or letters of credit in sufficient amounts or at acceptable
rates may have a material  adverse effect on our business,  financial  condition
and results of operations.

Estimated  accruals for landfill closure and post-closure costs may not meet our
actual financial obligations.

        The closure and  post-closure  costs of our existing  landfills  and any
landfill  we may own or  operate  in the  future  represent  material  financial
obligations.  To meet these future  obligations,  we estimate and accrue closure
and  post-closure  costs based on  engineering  estimates of landfill  usage and
remaining  landfill  capacity.  We cannot  assure  you that the  amount of funds
estimated and accrued for landfill closure and post-closure costs will be enough
to  meet  these  future  financial  obligations.   Any  failure  to  meet  these
obligations when they become due, or any use of significant funds to cover a gap
between  such  accruals  and actual  landfill  closure  and  post-closure  costs
incurred,  may  have  a  material  adverse  effect  on our  business,  financial
condition and results of operations.

Environmental and other government  regulations  impose costs and uncertainty on
our operations.

        We and our customers operate in a highly regulated environment,  and our
landfill  projects in particular  usually will require federal,  state and local
government  permits and environmental  approvals.  Maintaining  awareness of and
attempting to comply with applicable  environmental  legislation and regulations
require substantial expenditures of our personnel and financial resources. These
efforts,  however,  do not  guarantee  that we will  meet all of the  applicable
regulatory criteria necessary to obtain required permits and approvals.

        Government  regulators  generally have broad discretion to deny, revoke,
or modify regulatory permits or approvals under a wide variety of circumstances.
In addition,  government  regulators may adopt new environmental  legislation or
regulations or amend existing legislation, and may interpret or enforce existing
legislation  in new  ways.  All of these  circumstances  may  require  us or our
customers to obtain additional permits or approvals.

        Any delay in obtaining  required  regulatory  permits or  approvals  may
delay our ability to obtain project  financing,  thereby  increasing our need to
invest working  capital in projects before  obtaining more permanent  financing.
These  delays may also reduce our project  returns by  deferring  the receipt of
project  revenues to a later  project  completion  date.  If we are  required to
cancel any planned project because we were unable to obtain required  permits or
as a result of any other regulatory  impediments,  we may lose any investment we
have made in the project up to that point. The cancellation,  or any substantial
delay in completion,  of any project may have a significant  negative  effect on
our financial condition and results of operations.

We are exposed to potential  liability for  environmental  damage and regulatory
noncompliance.

        We are  engaged  in the  collection,  transfer  and  disposal  of  waste
described as  non-hazardous,  and we believe  that we are  currently in material
compliance with all applicable  environmental laws. Despite these circumstances,
if harmful  substances escape into the environment and cause damages or injuries
as a result of our operating activities, we are exposed to the risk that we will
be held liable for any damages and injuries,  as well as for  significant  fines
for regulatory noncompliance.

Our environmental liability insurance may not cover all risks of loss.

        We  maintain  environmental   impairment  liability  insurance  covering
particular claims for the sudden or gradual onset of environmental damage to the
extent  of  $5  million  per  landfill.  If  we  were  to  incur  liability  for
environmental  damage in excess of our insurance limits, our financial condition
could be adversely  affected.  We also carry a comprehensive  general  liability
insurance policy,  which management  considers  adequate at this time to protect
our assets and operations from other risks.

Addressing  local community  concerns about our operations may adversely  affect
our business.

        Members  of the public in the  communities  where we do  business  could
raise concerns with government  regulators and others about the effects on their
communities  of our  existing or planned  operations  and,  in some  areas,  the
proposed development of solid waste facilities.  These concerns cannot always be
anticipated,  and our attempts to address these concerns may result in unforseen
delays,  costs and litigation that could adversely affect our ability to achieve
our business objectives.

Year 2000 problems could have an adverse impact on our business.

        We   utilize   and   are   dependent   upon   general   accounting   and
industry-specific  customer  information  and  billing  software  to conduct our
business  that are likely to be  affected  by the date  change in the year 2000.
This  purchased  software is run on in-house  computer  networks.  In  addition,
embedded  technology  that is contained in a substantial  number of our items of
hauling,  disposal  and  communications  equipment  may be  affected by the date
change in the year  2000.  We have  initiated  a review  and  assessment  of all
hardware,  software  and  related  technologies  to  determine  whether  it will
function  properly in the year 2000. We currently  believe that costs associated
with the  compliance  efforts will not have a significant  impact on our ongoing
results of  operations,  although we cannot assure you in this regard.  Computer
software and related  technologies  used by our  customers,  service  providers,
vendors  and  suppliers  are also  likely to be  affected  by the year 2000 date
change.  To date,  those vendors which have been  contacted  have indicated that
their hardware or software is or will be year 2000 compliant in time frames that
meet  our  requirements.   We  have  also  initiated   communications  with  our
significant  suppliers regarding the year 2000 issue.  However, we cannot assure
you that the  systems  of such  suppliers,  or of  customers,  will be year 2000
compliant.  Failure by us or any of the  parties  mentioned  above,  to properly
process  dates for the year 2000 and  thereafter  could result in  unanticipated
expenses and delays to us,  including delays in the payment by our customers for
services provided.

                               RECENT DEVELOPMENTS

Senior Notes Offering.

        Senior  Notes  Offering  and Use of  Proceeds.  On  March  2,  1999,  we
completed a private  placement  of $100.0  million  principal  amount of 11 1/2%
Senior Notes due 2006 and warrants to purchase an aggregate of 1,500,000  shares
of common  stock at an exercise  price of $6.25 per share.  The net  proceeds to
Waste  Systems from the sale of the senior notes and warrants,  after  deducting
the  discount  to  the  initial  purchaser  and  related  issuance  costs,  were
approximately $97.3 million. We used a portion of the proceeds from the offering
to repay the $20.0 million of Waste  Systems's 13% short term notes due June 30,
1999. The $10.0 million  BankNorth Group, N.A. credit facility and approximately
$1.7  million  of  capital  leases and other  notes  payable  were paid with the
proceeds.  Also, we redeemed  approximately  $1.45 million  principal  amount of
Waste Systems' 10% convertible  subordinated  debentures due October 6, 2000 and
completed  several  acquisitions  as further  described  below. A portion of the
balance  of the  proceeds  has been used for  general  corporate  purposes.  The
remainder will be used for possible future acquisitions and/or working capital.

        In  connection  with the offering of the senior notes and  warrants,  we
entered into a registration  rights agreement with the initial  purchaser.  This
registration rights agreement requires us to exchange the senior notes for newly
issued  registered  11 1/2% Series B Senior Notes due 2005. We filed an exchange
offer registration  statement with the Securities and Exchange  Commission (File
No. 333-81341),  which was declared effective on July 13, 1999. Under the senior
notes registration  rights agreement,  if we fail to complete the exchange offer
by October 28, 1999,  we must  increase the annual  interest rate payable on the
originally  issued senior notes by 0.50% until the exchange  offer is completed.
We currently intend to complete the exchange offer on or about August 13, 1999.

        The  registration  rights  agreement  also  requires us to register  for
resale the senior notes held by our  affiliates or other  persons  ineligible to
participate  in the exchange offer under the  interpretations  of the Securities
and Exchange Commission of applicable federal securities rules. Under the senior
notes  registration  rights agreement,  if we fail: (a) to file the registration
statement  for the resale of those senior  notes by August 27,  1999;  or (b) to
cause the  registration  statement to be declared  effective or prior to October
28,  1999;  or (c) to keep  the  registration  statement  effective  during  the
prescribed  effective  period;  then we must  increase the annual  interest rate
payable on the  originally  issued senior notes by 0.50% until the  registration
statement  is filed or  declared or made  effective,  as  applicable.  It is our
current  understanding  that an affiliate of Waste  Systems  holds senior notes.
Accordingly,  we  currently  intend to file  with the  Securities  and  Exchange
Commission  a shelf  registration  statement to register for resale those senior
notes and to cause it to be declared effective prior to the deadlines  described
above, and to keep it effective during the prescribed effective period.

        When we offered the senior notes,  we also offered  warrants to purchase
1,500,000  shares of common stock.  We also entered into a  registration  rights
agreement with the initial purchaser relating to registration of those warrants.
The warrants  registration  rights agreement  requires us to register for resale
those  warrants  and any common  stock that is  issuable  upon  exercise  of the
warrants.  We are satisfying  this  obligation by filing with the Securities and
Exchange Commission the registration  statement of which this prospectus forms a
part, and we intend to keep it effective during the prescribed effective period.
Please  see the  section  of this  prospectus  entitled  "Material  Terms of the
Selling  Securityholders'  Transaction" for a more complete  description of this
transaction and our obligations under it.

        Summary of Terms of the  Warrants.  The  warrants are  exercisable  from
September 2, 1999,  through March 2, 2004.  The number of shares for which,  and
the  price  per  share at  which,  a warrant  is  exercisable,  are  subject  to
adjustment upon the occurrence of events specified in the warrant agreement.

        Summary of Terms of the Senior Notes. The senior notes mature on January
15,  2006,  and  accrue  interest  at the  rate of 11 1/2%  per  annum,  payable
semi-annually in arrears on July 15 and January 15 of each year, commencing July
15, 1999. The senior notes are guaranteed by all of our current subsidiaries.


        When the senior  notes were sold,  Waste  Systems  and its  subsidiaries
entered into a registration rights agreement with the initial purchaser in which
we agreed to effect an  exchange  offer for a new  series of Senior  Notes on or
before  October 28, 1999. On July 14, 1999, we began an exchange  offer in which
holders of  outstanding  senior notes will be entitled to exchange  senior notes
for a like principal amount of registered 11 1/2% Series B Senior Notes due 2006
that have  substantially  identical terms as the originally issued senior notes.
Any senior notes  initially  issued that remain  outstanding  and not  exchanged
after the  consummation of the exchange offer will be treated the same under the
indenture as the new senior notes issued in the senior notes exchange offer.

        In  accordance  with the senior notes  indenture,  we must  increase the
interest  rate payable on the senior notes to 13%, 14% and 15% per year if we do
not achieve an adjusted stockholders' equity of at least $40,000,000 on December
31,  1999,  June 30,  2000,  and  December  31,  2000,  respectively.  "Adjusted
stockholders'   equity"  means  our   stockholders'   equity  as  shown  on  our
consolidated  balance  sheets  filed  as part of our  regular  reports  with the
Securities  and Exchange  Commission,  less the amount of any  increase  therein
resulting  from  the  issuance  of  shares  of  common  stock  in  exchange  for
outstanding 7% convertible  subordinated notes, to the extent, if any, that such
issuance exceeds 2,343,646 shares of common stock in the aggregate.

        The senior notes and the subsidiary guarantees:

        o       are senior unsecured obligations;

        o      rank  equally in right of  payment  with all other  existing  and
               future  senior  unsecured  obligations  of Waste  Systems and the
               subsidiary  guarantors,  and  senior in right of  payment  to the
               holders of equity securities of Waste Systems; and

        o      are  effectively  subordinated  to all of our and our  subsidiary
               guarantor's secured debt, including amounts outstanding under our
               credit facility and capital lease  obligations,  to the extent of
               the value of the assets securing such loan.

        The senior notes are  guaranteed on a senior  unsecured  basis by all of
our wholly owned subsidiaries, which conduct substantially all of the operations
of our business.  The subsidiary guarantees are joint and several obligations of
the  subsidiary  guarantors.  All of our  subsidiary  guarantors  are considered
restricted subsidiaries under the indenture.  Subject to the requirements of the
indenture,  Waste  Systems  will be  permitted  to  designate  current or future
subsidiaries as unrestricted subsidiaries,  which will not be subject to many of
the  restrictive  covenants  in  the  indenture  applicable  to  the  subsidiary
guarantors.

        After March 2, 2003,  we may redeem the senior  notes at any time at the
redemption  price  fixed by the  indenture,  together  with  accrued  and unpaid
interest.  In  addition,  we may at any time  purchase  senior notes in the open
market or  otherwise  at any  price.  Any  senior  notes  that are  redeemed  or
purchased by us will be canceled and may not be reissued or resold.

        Upon the  occurrence  of an event  considered  a "change of  control" of
Waste  Systems,  holders of senior  notes will have the right to sell back to us
all Senior Notes at a price equal to 101% of their aggregate  principal  amount,
together with accrued and unpaid interest, if any, to the date of such sale.

        The senior  note  indenture  limits our  ability  and the ability of our
guarantor subsidiaries to:

        o       incur additional indebtedness;

        o       pay dividends on or redeem our capital stock;

        o       issue capital stock of our subsidiaries;

        o       make investments;

        o       create liens;

        o       issue guarantees;

        o       engage in transactions with affiliates;

        o       sell assets; and

        o       conduct certain mergers and consolidations.

Exchange of Common Stock for 7% Convertible Subordinated Notes due 2005.

        On March 31,  1999,  we completed a private  exchange  offer in which we
issued a total of 2,244,109  shares of common stock in exchange for  $10,449,000
aggregate principal amount of the outstanding 7% Convertible  Subordinated Notes
due May 13, 2005 previously  issued in a private  placement.  The exchange price
per share of $4.656 was equal to the  closing  price of our common  stock on the
Nasdaq  SmallCap  Market as  reported by NASDAQ on March 31,  1999.  Accrued but
unpaid  interest  on the notes  exchanged  was paid in cash.  As a result of the
private   exchange  offer,   we  retired   $10,449,000  of  our  7%  Convertible
Subordinated  Notes.  The  remaining  7%  Convertible   Subordinated  Notes  are
convertible by holders into common stock at $10.00 per share.

        To conduct the private  exchange  offer,  we also entered into  exchange
agreements  with  each  of the  participating  note  holders.  In  the  exchange
agreements,  we agreed to register  for resale the shares of common stock issued
in the private  exchange  offer,  or an aggregate of 2,244,109  shares of common
stock.  We filed a  registration  statement  with the  Securities  and  Exchange
Commission  relating  to the resale of those  shares of common  stock  (File No.
333-[ ]) on August 5, 1999.

Stock Repurchase.

        With the  proceeds  from the  private  offering of senior  notes,  Waste
Systems  repurchased 497,778 shares of its common stock from the Federal Deposit
Insurance  Corporation  for an aggregate  purchase price of  approximately  $2.8
million.

Acquisitions.

        From  January 1, 1999 to May 1, 1999,  Waste  Systems  completed  eleven
acquisition, consisting of eight collection operations, one transfer station and
one  landfill.   The  aggregate   purchase  price  for  these  acquisitions  was
approximately  $42.1  million  which was paid in cash and by the  assumption  of
approximately  $3 million  of debt.  These  acquisitions  have  combined  annual
revenue of approximately $12.0 million.  The acquisitions have all been recorded
using the purchase method of accounting.

        On August 3, 1999,  we completed  the  acquisition  of the assets of C&J
Trucking,  Inc. and affiliates,  with collection  operations  throughout Eastern
Massachusetts  and Southern New Hampshire.  The acquired assets also include two
transfer stations located in Lynn, Massachusetts and Londonderry, New Hampshire,
which are initially expected to handle in excess of 1,000 tons of waste per day.
On  July  6,  1999,  we  acquired  Eastern  Trans-Waste  of  Maryland,  Inc.,  a
well-established  commercial and industrial  collection  operation servicing the
Baltimore, Maryland and Washington, D.C. region. Its operations include a 53,000
square foot transfer station located in Washington,  D.C., which is permitted to
operate twenty-four hours per day with no capacity restrictions.  As part of its
customer base,  Eastern  Trans-Waste serves the White House and numerous federal
agencies.  The total purchase price for these  acquisitions is approximately $70
million,  in cash and stock. The  consideration  paid to former  stockholders of
Eastern Trans-Waste of Maryland,  Inc. includes 2,678,620 shares of common stock
and  894  shares  of  newly   designated   Series  C  Preferred  Stock  that  is
automatically  convertible,  upon stockholder approval, into 1,576,292 shares of
common  stock,  subject  to  adjustment  in  the  event  of  a  stock  dividend,
subdivision  or  combination  of  Waste  Systems'  common  stock  or  a  capital
reorganization,  merger or  consolidation of Waste Systems or the sale of all or
substantially  all of Waste Systems'  assets.  The Series C Preferred  Stock has
substantially the same terms as the common stock,  other than: (1) a liquidation
preference  equal to $11,615  per share,  subject to  adjustment,  and (2) a per
share put right,  exercisable  in the event that  stockholder  approval  for the
Series C conversion is not obtained by October 30, 1999, equal to the sum of the
liquidation  preference amount and interest accrued thereon at 8% per annum from
July 2, 1999 per share. We intend to hold a special meeting of the  stockholders
before  October  30, 1999 to consider  and vote on  stockholder  approval of the
Series C conversion.

        The   acquisitions   are   expected  to  add   annualized   revenues  of
approximately  $30  million and will be recorded  using the  purchase  method of
accounting. As a result, we believe that we are poised to continue our growth in
these  areas and to enhance our  profitability  through  the  implementation  of
operating efficiencies.


New Revolving Credit Facility

        On July  22,  1999,  we  entered  into a $25  million  revolving  credit
facility with BankNorth Group, N.A. to fund acquisitions and for general working
capital purposes.  No credit has been drawn to date, but any debt incurred under
this credit facility is secured debt that is guaranteed by our subsidiaries. The
revolving credit  agreement has a term of three years,  provides for an interest
rate based on LIBOR,  and  includes  other terms and  conditions  customary  for
secured revolving credit facilities.

Private Placement of up to 2,857,143 shares of common stock

        On July 30, 1999, we completed an initial closing of a private placement
in which we issued 571,429 shares of common stock for aggregate consideration of
$4 million,  and on August 2, 1999,  we  completed a  subsequent  closing of the
private  placement in which we issued an additional one million shares of common
stock for aggregate  additional  consideration of $7 million.  The proceeds from
the private placement will be used for potential future acquisitions and general
working capital purposes.  We anticipate holding additional  subsequent closings
under the private  placement for the issuance of up to an  additional  1,285,714
shares, for a total of 2,857,143 shares at a subscription price of $7 per share,
resulting  in  gross  total  private  placement  proceeds  of $20  million.  The
subscription  agreements  under  which  these  shares  have  been or may be sold
obligate us to file a shelf registration statement for the resale of the shares.
Accordingly,  we intend to file with the Securities  and Exchange  Commission by
not later than October 28, 1999 a shelf registration statement for the resale of
these shares,  and to cause that  registration  statement to become effective by
not later than January 26, 2000.


                             DESCRIPTION OF WARRANTS

        The  following  summaries of certain  provisions of the warrants are not
complete.  Investors  should  review  the  warrants  and the  warrant  agreement
referred to below for questions they may have concerning  particular  provisions
or defined terms of the warrants.

        The warrants were issued March 2, 1999  pursuant to a warrant  agreement
with IBJ Whitehall  Bank & Trust Company as warrant agent. A copy of the warrant
agreement  is listed as an exhibit to the  registration  statement of which this
prospectus forms a part. See the section of this prospectus  entitled "Where You
May Find More  Information"  for an  explanation of how you may obtain a copy of
the warrant agreement and other exhibits to the registration statement.

General

        Please refer to the section of this prospectus  entitled  "Securities to
be Offered" for a summary description of the warrants.

        Each  warrant,  when  exercised,  will entitle the holder to receive one
fully paid and  non-assessable  share of common  stock at an  exercise  price of
$6.25 per share.  The  exercise  price and the number of shares of common  stock
issuable upon the holder's  exercise of a warrant are both subject to adjustment
in certain  circumstances  described  below.  The warrants  will  entitle  their
holders to purchase shares of common stock representing an aggregate  beneficial
ownership of  approximately  10.06% of the issued and outstanding  common stock,
based on 13,405,394 shares of common stock issued and outstanding as of June 30,
1999 and assuming an additional  1,500,000 shares of stock have been issued upon
exercise of the warrants.

        The holders may exercise  warrants at any time on or after  September 2,
1999. Unless earlier exercised,  the warrants will expire on the expiration date
of March 2, 2004.  We will give notice of  expiration  not less than 90 nor more
than 120 days before the expiration  date to the registered  holders of the then
outstanding warrants. If we fail to give the notice when required,  the warrants
will not expire until 90 days after notice is given.

        In order to exercise all or any of the warrants, the holder is required:

        (1) to deliver the warrants; this delivery can be made:

               (a)    in the case of warrants  issued in  certificate  form,  by
                      surrendering  to  the  warrant  agent  the  certificate(s)
                      representing the warrants to be exercised; and

               (b)    in the case of warrants  issued in global  form  deposited
                      with the  depositary,  by  complying  with the  applicable
                      procedures set forth in the warrant agreement;

        in each case with the accompanying form of election to purchase properly
        completed and executed; and

        (2)    to deliver to the warrant  agent  payment in full of the exercise
               price for each share of common stock or other securities issuable
               upon exercise of the warrants; the exercise price may be paid:

               (a)   in cash or by certified or official  bank check or by wire
                     transfer to an account that Waste  Systems has  designated
                     for that purpose; or

               (b)   without the payment of cash, by cashless exercise; cashless
                     exercise takes the value of some warrants prior to exercise
                     and applies that value as payment of the exercise price to
                     exercise additional warrants; both the warrants serving as
                     payment of the exercise price value and the warrants
                     exercised for common stock are deemed exercised in a
                     cashless exercise; the value of warrants serving as payment
                     of the exercise price is deemed equal to  the excess of th
                     then current market price per share of common stock on the
                     exercise date over the exercise price per share as of the
                     exercise date. A holder surrendering warrant certificate(s)
                     representing more than one warrant in connection with a
                     cashless exercise may specify the number of warrants the
                     holder wishes to exercise.

        When  the  holder  delivers  the  warrant  certificate(s)  and  pays the
exercise price as described  above,  we will deliver or cause to be delivered to
the holder or upon the holder's written order, a stock certificate  representing
one  share  of  common  stock  for  each  warrant   evidenced  by  such  warrant
certificate,  subject to adjustment as described herein. If the holder exercises
less than all of the warrants evidenced by a warrant certificate,  a new warrant
certificate  will be issued to the holder for the remaining  number of warrants.
No  fractional  shares  of common  stock  will be issued  upon  exercise  of the
warrants.  At the time of  exercise,  we will pay the  holder  an amount in cash
equal to the then current  market price of any such  fractional  share of common
stock.

        If a  holder's  Warrants  are not  exercised,  such  holder  will not be
entitled to received dividends,  to vote, to consent, to exercise any preemptive
rights or to receive  notice as a  stockholder  in  respect of any  stockholders
meeting for the election of the Company's  directors or any other purpose, or to
exercise any other rights whatsoever as a stockholder.

        Certificates  for warrants will be issued in fully registered form only.
No service  charge will be made for  registration  of transfer or exchange  upon
surrender  of any  warrant  certificate  at the  office  of  the  warrant  agent
maintained for that purpose. We may require payment of a sum sufficient to cover
any tax or other governmental  charge that may be imposed in connection with any
registration of transfer or exchange of warrant certificates.

        In the event a bankruptcy or  reorganization  is commenced by or against
Waste  Systems,  a  bankruptcy  court may hold  that  unexercised  warrants  are
executory  contracts  that may be subject to our rejection  with approval of the
bankruptcy  court. As a result,  a holder may not, even if sufficient  funds are
available,  be entitled to receive  any  consideration  or may receive an amount
less than such holder would be entitled to receive if such holder had  exercised
its warrants before the commencement of any such bankruptcy or reorganization.

Adjustments

        Both number of shares of the common stock  issuable upon the exercise of
the  warrants and the exercise  price will be subject to  adjustment  in certain
circumstances, including:

        (1)    our payment of dividends  and other  distributions  on the common
               stock payable in common stock or other equity  interests of Waste
               Systems;

        (2)  subdivisions,  combinations  and certain  reclassifications  of the
common stock;

        (3)    the  issuance to all common  stockholders  of rights,  options or
               warrants  entitling  them to subscribe for  additional  shares of
               common stock, or of securities convertible into or exercisable or
               exchangeable for additional shares of common stock at an offering
               price (or with an initial conversion,  exercise or exchange price
               plus such  offering  price)  that is less  than the then  current
               market price per share of common stock;

        (4)    the  distribution  to all  holders of common  stock of any of our
               assets  (including  cash),  our debt  securities or any rights or
               warrants to purchase  any  securities  (excluding  those  rights,
               options  and  warrants  referred  to in clause (3) above and cash
               dividends and other cash  distributions  from current or retained
               earnings);

        (5)    the  issuance of shares of common stock for a  consideration  per
               share that is less than the then  current  market price per share
               of common stock; and

        (6)    the issuance of securities  convertible  into or  exercisable  or
               exchangeable  for  common  stock for a  conversion,  exercise  or
               exchange  price  per  share  that is less  than the then  current
               market price per share of common stock.

        The events described in clauses (5) and (6) above are subject to certain
exceptions  described in the warrant agreement,  including,  without limitation,
certain bona fide public offerings and private  placements,  issuances of common
stock under any option,  warrant, right or convertible security exercisable upon
issuance of the  warrants  and certain  issuances  of common  stock  pursuant to
employee stock incentive plans.

        If the  exercise  price of our  currently  outstanding  options or other
convertible securities is reduced to an exercise price equal to or less than the
exercise  price of the  warrants  (as it may be adjusted as a result of the same
event or circumstance),  then the number of shares of common stock issuable upon
exercise of each warrant  automatically  shall be adjusted  upward,  so that the
total number of shares issuable upon exercise of all warrants will represent the
same  percentage  of the then  issued and  outstanding  common  stock on a fully
diluted basis as the shares issuable upon exercise of the warrants prior to such
adjustment represented at that time. The phrase "on a fully diluted basis" shall
include any and all options,  warrants or other rights to acquire  common stock,
whether or not then exercisable,  but excluding all such options or other rights
to acquire  common stock (other than the  warrants) at an exercise or conversion
price greater than the exercise price of the warrants, as adjusted.

        No  adjustment  in the  exercise  price  will  be  required  unless  the
adjustment  would  result  in an  increase  or  decrease  of at  least 1% in the
exercise  price;  provided,  however,  that any adjustment that is not made as a
result of this paragraph  will be carried  forward and taken into account in any
subsequent adjustment. In addition, at any time we may reduce the exercise price
(but not to an amount  that is less than the par value of the common  stock) for
any period of time (but not less than 20 business days) as deemed appropriate by
our Board of Directors.

Warrant Rights Upon Consolidation, Merger, Asset Sales and Bankruptcy

             Event                                Consideration Receivable


o  consolidation or merger of Waste        o each warrant will thereafter be
   Systems, or sale of all or                exercisable for the right to
   substantially all of our assets           receive the kind and amount of
  (other than all cash transactions).        shares of stock or other securities
                                             or property to which the holder
                                             would have been entitled as a
                                             result of such consolidation,
                                             merger or sale had the warrants
                                             been exercised immediately prior to
                                             such event.

o  consolidation or merger of Waste        o each warrant will thereafter
   Systems, or sale of all or                entitle the holder to receive
   substantially all of our assets           distributions on an equal basis
  (all cash transactions only); or           with the holders of common stock or
                                             other securities issuable upon
o  dissolution, liquidation or wind          exercise of the warrant, as if the
   up of Waste Systems.                      warrant had been exercised
                                             immediately before such event, less
                                             the exercise price.


        In either case, upon receipt of such payment,  if any, the warrants will
expire  and  the  holders'   rights  will  cease.   In  the  case  of  any  such
consolidation,  merger or sale of assets, the surviving or acquiring person and,
if Waste Systems dissolves,  liquidates or winds up, Waste Systems, must deposit
promptly with the warrant agent the funds,  if any,  required to pay the warrant
holders.  After the funds and the surrendered warrant certificates are received,
the warrant agent is required to deliver a check in the appropriate  amount (or,
in the case of  consideration  other than cash, such other  consideration  as is
appropriate) as the warrant agent may be directed by the holders in writing.

        In the event of a taxable  distribution  to holders of common stock that
results  in an  adjustment  to the  number of  shares  of common  stock or other
consideration for which a warrant may be exercised,  the holders may, in certain
circumstances,  be deemed to have  received  a  distribution  subject  to United
States federal income tax as a dividend.

Amendment

        Any amendment or supplement to the warrant agreement that has an adverse
effect on the warrant holders'  interest will require the written consent of the
holders of a majority of the then outstanding  warrants  (excluding any warrants
held by us or our affiliates). Notwithstanding the foregoing, from time to time,
we and  the  warrant  agent,  without  consent  of the  holders,  may  amend  or
supplement  the warrant  agreement for certain  purposes,  including to cure any
ambiguities,  defects or  inconsistencies  or to make any  change  that does not
adversely affect the warrant holders' rights. The consent of each warrant holder
affected will be required for any amendment pursuant to which the exercise price
would be  increased  or the  number  of shares of  common  stock  issuable  upon
exercise of the warrants would be decreased  (other than pursuant to adjustments
provided for in the warrant  agreement)  or the exercise  period with respect to
the warrants would be shortened.

Registration Rights

        At the time of the sale and  issuance  of the  warrants,  Waste  Systems
entered into a registration rights agreement with the initial purchaser relating
to the registration with the Securities and Exchange  Commission of the warrants
and the common stock subject to the warrants.  The warrants  registration rights
agreement  requires us to register  for resale the warrants and any common stock
that is issuable upon exercise of the warrants.  For a more detailed description
of these registration rights, please see the section of this prospectus entitled
"Securities to be Offered."


<PAGE>


           MATERIAL TERMS OF THE SELLING SECURITYHOLDERS' TRANSACTION

        On March 2, 1999,  we completed a private  placement  of $100.0  million
principal  amount of 11 1/2% Senior  Notes due 2006 and  warrants to purchase an
aggregate of 1,500,000  shares of common stock at an exercise price of $6.25 per
share.  In  connection  with that sale,  we entered into a  registration  rights
agreement with the initial purchaser relating to registration of those warrants.

        The warrants  registration  rights agreement requires us to register for
resale the warrants and any common stock that is issuable  upon  exercise of the
warrants.  Under the warrant  registration rights agreement,  if we fail: (a) to
cause the  registration  statement  of which this  prospectus  form a part to be
declared  effective by the  Securities  and Exchange  Commission  on or prior to
October 28, 1999; or (b) to keep the registration statement effective during the
prescribed  effective  period;  then we must  increase the annual  interest rate
payable on the  originally  issued senior notes by 0.50% until the  registration
statement is declared or made effective, as applicable.

        Accordingly,  we are  satisfying  that  obligation  by  filing  with the
Securities  and Exchange  Commission  the  registration  statement of which this
prospectus  forms a part, which we intend to keep effective during the effective
period prescribed in the warrants registration rights agreement.

        Holders  of  the  warrants  have  been   required  to  deliver   certain
information,  to be used by us in connection  with the  registration  statement,
within the time periods set forth in the warrant  registration  rights agreement
in order to have their warrants included in the registration  statement of which
this prospectus forms a part.


                             SELLING SECURITYHOLDERS

        The following  table sets forth the number of shares of our common stock
beneficially  owned by each  selling  securityholder  as of June 30,  1999,  the
number of shares each selling  securityholder is offering to sell, the number of
shares which each selling  securityholder  will beneficially own upon completion
of this offering,  and the percentage  ownership of each selling  securityholder
upon completion of this offering. The selling  securityholders have furnished to
us the information set forth below and this  information is accurate to the best
of our knowledge.
<TABLE>
<S>                                <C>             <C>            <C>            <C>              <C>

                                       Beneficial Ownership                        Beneficial Ownership
                                       Prior to Offering(1)        Shares to       After Offering(1)(2)
                                      Shares        Percent         be Sold       Shares          Percent

B-III Capital Partners, L.P. (3)    7,448,526        46.6%          337,500      7,111,026          44.5%

Prudential Insurance Company        1,034,684         7.5%          225,000        809,684           5.9%
  of America (4)

Mitchell Hutchins                   2,167,559        15.1%          150,000      2,017,559          14.1%
  Asset Management Inc. (5)

John Hancock Advisers (6)           1,537,794        10.7%           30,000      1,507,794          10.5%

Credit Suisse(7)                      105,000         0.8%          105,000           -              0.0%

Midland Advisors Company (8)          375,000         2.7%          375,000           -              0.0%

Chilton Investment                    755,000         5.5%          255,000        500,000           3.7%
  Company, Inc. (9)

Evergreen Investment                   11,250         0.1%           11,250           -              0.0%
  Management Company (10)

Penn Capital Management (11)            3,750         0.0%            3,750           -              0.0%

Saugatuck Partners L.P./                7,500         0.1%            7,500           -              0.0%
  Saugatuck International (12)
</TABLE>

         ---------------------------------------
(1)      Based on a total of 13,405,394 shares of common stock outstanding as of
         June 30,  1999.  In  computing  the  number of  shares of common  stock
         beneficially  owned by a person,  the following  shares are also deemed
         outstanding  and held by that person  only:  (a) shares of common stock
         subject to  currently  exercisable  options and  warrants  held by that
         person; (b) shares of common stock subject to options and warrants held
         by that person that become exercisable within 65 days of June 30, 1999;
         (c)  shares of common  stock  issuable  upon  conversion  of  currently
         convertible  securities  held by that person;  and (d) shares of common
         stock issuable upon  conversion of securities  held by that person that
         could become  convertible within 60 days of June 30, 1999. For purposes
         of  computing  the  percentage  of  outstanding  shares of common stock
         beneficially  owned by such person, the shares described in clauses (a)
         through (d) above are deemed to be  outstanding  for such person  only,
         and are not deemed to be  outstanding  for  purposes of  computing  the
         ownership percentage of any other person.

(2)      Assumes  the sale of all of the  shares  of  common  stock  subject  to
         warrants  offered  for resale in this  prospectus.  Does not assume the
         sale of any  shares of common  stock  registered  for resale in a shelf
         registration  statement relating to an aggregate of 2,244,109 shares of
         common  stock  received by  stockholders  in exchange  for a portion of
         their  7%  Convertible  Subordinated  Notes  (see the  section  of this
         prospectus entitled "Recent  Developments--Exchange of Common Stock for
         7%  Convertible  Subordinated  Notes  due  2005"  for a  more  complete
         description of this transaction).

(3)      Includes  4,879,104 shares of common stock currently  owned,  2,231,922
         shares   issuable  upon  conversion  at  any  time  of  7%  Convertible
         Subordinated  Notes at a  conversion  price of $10.00  per  share,  and
         337,500 shares issuable upon exercise of warrants on or after September
         2,  1999  at  an  exercise  price  of  $6.25  per  share.  DDJ  Capital
         Management,  LLC ("DDJ") serves as investment  manager of B-III Capital
         Partners,  L.P.  ("B-III");  and an  affiliate  of  DDJ is the  general
         partner of B-III.  Judy K.  Mencher  and David J.  Breazzano,  managing
         directors of DDJ, serve as directors of Waste Systems.

(4)      Includes 650,261 shares of common stock currently owned, 159,423 shares
         issuable  upon  conversion at any time of 7%  Convertible  Subordinated
         Notes at a  conversion  price of $10.00 per share,  and 225,000  shares
         issuable upon exercise of warrants on or after  September 2, 1999 at an
         exercise price of $6.25 per share.

(5)      Includes  1,220,444  shares of common stock  currently  owned,  797,115
         shares   issuable  upon  conversion  at  any  time  of  7%  Convertible
         Subordinated  Notes at a  conversion  price of $10.00  per  share,  and
         150,000 shares issuable upon exercise of warrants on or after September
         2, 1999 at an exercise price of $6.25 per share.

(6)      Includes 591,112 shares of common stock currently owned, 916,682 shares
         issuable  upon  conversion at any time of 7%  Convertible  Subordinated
         Notes at a  conversion  price of $10.00  per share,  and 30,000  shares
         issuable upon exercise of warrants on or after  September 2, 1999 at an
         exercise price of $6.25 per share.

(7)      Includes 105,000 shares issuable upon exercise of warrants on or after
         September 2, 1999 at an exercise price of $6.25 per share.

(8)      Includes 375,000 shares issuable upon exercise of warrants on or after
         September 2, 1999 at an exercise price of $6.25 per share.

(9)      Includes  500,000  shares of common stock  currently  owned and 255,000
         shares issuable upon exercise of warrants on or after September 2, 1999
         at an exercise price of $6.25 per share.

(10)     Includes 11,250 shares issuable upon exercise of warrants on or after
         September 2, 1999 at an exercise price of $6.25 per share.

(11)     Includes 3,750 shares issuable upon exercise of warrants on or after
         September 2, 1999 at an exercise price of $6.25 per share.

(12)     Includes 7,500 shares issuable upon exercise of warrants on or after
         September 2, 1999 at an exercise price of $6.25 per share.


                                                PLAN OF DISTRIBUTION

         This prospectus  relates to the offer and sale from time to time by the
holders thereof of up to (a) 1,500,000 warrants, each of which is exercisable to
purchase one share of common  stock,  and (b)  1,500,000  shares of common stock
issuable upon exercise of the warrants.

Offer and Sale of Warrants and Common Stock

         Any  of  the  selling   securityholders  or  their  pledgees,   donees,
transferees  or other  successors in interest,  may from time to time, in one or
more  transactions,  sell all or a portion of the  warrants  or shares of common
stock in such  transactions  at prices  then  prevailing  or related to the then
current market price or at negotiated prices. The offering price of the warrants
and shares of common stock from time to time will be  determined  by the selling
securityholders.  At the time of such  determination,  the  market  price of the
shares on the Nasdaq  SmallCap  Market may be higher or lower than the  offering
price of the shares or the exercise price of the warrants.

         If the selling  securityholders effect transactions by selling warrants
or  shares of common  stock to or  through  underwriters,  brokers,  dealers  or
agents, these underwriters,  brokers, dealers or agents may receive compensation
in  the  form  of  discounts,   concessions  or   commissions   from  a  selling
securityholder or from purchasers of warrants or shares of common stock for whom
they may act as agents,  and  underwriters may sell warrants or shares of common
stock to or through  dealers,  and such dealers may receive  compensation in the
form of discounts,  concessions  or  commissions  from the  underwriters  and/or
commissions  from the  purchasers  for whom they may act as agents.  The selling
securityholders  and any  brokers,  dealers or agents  that  participate  in the
distribution  of the  warrants  or shares  of  common  stock may be deemed to be
underwriters,  and any  profit on the sale of the  warrants  or shares of common
stock by them and any  discounts,  concessions  or  commissions  received by any
underwriters,  brokers,  dealers  or agents  may be  deemed  to be  underwriting
discounts and commissions under the Securities Act. Under agreements that may be
entered into by us, underwriters, brokers, dealers and agents who participate in
the  distribution  of  warrants  or shares of common  stock may be  entitled  to
indemnification  by  Waste  Systems  against  certain   liabilities,   including
liabilities  under the  Securities  Act,  or to  contribution  with  respect  to
payments which such underwriters,  brokers, dealers or agents may be required to
make in respect  thereof.  The  warrants  and shares of common stock may be sold
directly or through  broker-dealers acting as principal or agent, or pursuant to
a distribution  by one or more  underwriters on a firm commitment or best-effort
basis.

         The selling securityholders,  or their pledgees, donees, transferees or
other  successors in interest,  may offer and sell their shares in the following
manner:

    o  with respect to the common stock only, on the Nasdaq SmallCap Market or
       other exchanges on which the shares are listed at the time of sale;

    o  in the over-the-counter market or otherwise at prices and at terms then
       prevailing or at prices related to the then current market price;

    o  in underwritten offerings;

    o  in privately negotiated transactions;

    o  in a block trade in which the broker or dealer so engaged will attempt to
       sell the warrants or shares of common stock as agent, but may position
       and resell a portion of the block as principal to facilitate the
       transaction;

    o  a broker or dealer may purchase as principal and resell such warrants or
       shares of common stock for its account pursuant to this prospectus;

    o  with respect to the common stock only, an exchange distribution in
       accordance with the rules of the exchange;

    o  ordinary brokerage transactions and transactions in which the broker
       solicits purchasers; or

    o  through any combination of the above.


         The selling  securityholders may accept and, together with any agent of
the selling securityholders, reject in whole or in part any proposed purchase of
the warrants or shares of common stock offered by this  prospectus.  We will not
receive any  proceeds  from the offering or sale of warrants or shares of common
stock by the selling securityholders.

Prospectus Supplement Regarding Sales

         To the extent  required,  we will set forth in a prospectus  supplement
accompanying this prospectus, or if, appropriate, in a post-effective amendment,
the following information:  (1) the amount of warrants or shares of common stock
to be sold; (2) purchase prices;  (3) public offering  prices;  (4) the names of
any agents,  dealers or  underwriters;  and (5) any  applicable  commissions  or
discounts with respect to a particular offer.

Compliance with State Securities Laws

         We have not  registered  or qualified  the warrants or shares of common
stock offered by this prospectus  under the laws of any country,  other than the
United States. In certain states, the selling  securityholders  may not offer or
sell their  warrants or shares of common stock unless (1) we have  registered or
qualified such warrants or shares of common stock for sale in such states or (2)
we have complied with an available exemption from registration or qualification.
Also, in certain states,  to comply with such state securities laws, the selling
securityholders can offer and sell their warrants or shares of common stock only
through registered or licensed brokers or dealers.

Rule 144

         The  selling  securityholders  may also  resell all or a portion of the
warrants or shares of common stock in open market  transactions in reliance upon
Rule 144 under the Securities Act, provided the selling securityholder meets the
criteria and conforms to the requirements of such Rule 144.

Payment of Expenses

         We  will  pay   substantially  all  of  the  expenses  related  to  the
registration  of the  warrants  or  shares  of  common  stock  offered  by  this
prospectus.  The selling securityholders will pay any sales commissions or other
seller's compensation applicable to such transactions.


                                 USE OF PROCEEDS

         We will not receive any cash proceeds from the sale of the warrants and
shares of common stock. We are registering the warrants and common stock offered
by the selling  securityholders solely to satisfy our obligations under exchange
agreements.


                                  LEGAL MATTERS

         The validity of the securities being offered hereby will be passed upon
by Goodwin, Procter & Hoar LLP, Boston, Massachusetts.


                                     EXPERTS

         The consolidated  financial  statements of Waste Systems as of December
31,  1998 and 1997,  and for each of the years in the  three-year  period  ended
December  31,  1998,  appearing  in Waste  Systems  Annual  Report  on Form 10-K
incorporated  by reference in this  prospectus and the  registration  statement,
have been audited by KPMG LLP, certified independent public accountants,  and in
reliance upon the authority of said firm as experts in accounting and auditing.


                       WHERE YOU MAY FIND MORE INFORMATION

         We have filed a registration  statement on Form S-3 with the Securities
and  Exchange  Commission  covering the resale of the warrants and the shares of
common stock.  This  prospectus,  which is part of the  registration  statement,
omits certain  information  included in the registration  statement.  Statements
made in this  prospectus as to the contents of any contract,  agreement or other
document are not necessarily complete. Since this prospectus may not contain all
the information that you may find important,  you should review the full text of
these  documents.  We have included copies of these documents as exhibits to our
registration statement.

         We  are  currently   subject  to  the  periodic   reporting  and  other
informational  requirements of the Securities  Exchange Act of 1934, as amended,
and,  in  accordance  with  its  rules,  we file  annual,  quarterly  and  other
information  with the  Securities and Exchange  Commission.  You can inspect and
copy at prescribed rates the reports and other information that we file with the
Securities and Exchange Commission at the public reference facilities maintained
by the Securities and Exchange  Commission at Room 1024,  Judiciary  Plaza,  450
Fifth Street, N.W., Washington,  D.C. 20549, and also at the regional offices of
the Securities and Exchange  Commission  located at 7 World Trade Center,  Suite
1300,  New York,  New York  10048 and the  Citicorp  Center at 500 West  Madison
Street, Suite 1400, Chicago, Illinois 60661-2511.  You may obtain information on
the operation of the public  reference  facilities by calling the Securities and
Exchange  Commission at 1-800-SEC-0330.  The Securities and Exchange  Commission
also maintains an internet web site at http://www.SEC.gov that contains reports,
proxy and  information  statements  and other  information.  You can also obtain
copies of these materials from us upon request.


                       DOCUMENTS INCORPORATED BY REFERENCE

         The following  documents and other materials,  which we have filed with
the Securities and Exchange Commission, are incorporated and specifically made a
part of this prospectus by reference:

         (1)      Annual Report on Form 10-K for the fiscal year ended  December
                  31,  1998,  as amended by the Report on Form  10-K/A  filed on
                  April 8, 1999, as further amended by the Report on Form 10-K/A
                  Amendment No. 2 filed on August 5, 1999;

         (2)      Quarterly  Report on Form 10-Q for the quarter ended March 31,
                  1999,  as amended by the Report on Form 10-Q/A filed on August
                  5, 1999;

         (3)       Proxy Statement dated April 30, 1999; and

         (4)      Current Report on Form 8-K filed on March 12, 1999 and Current
                  Report on Form 8-K  filed on March 25,  1999,  as  amended  by
                  Current Report on Form 8-K/A filed on May 24, 1999.

         In  addition,  all  documents  that we file  with  the  Securities  and
Exchange  Commission  pursuant  to  sections  13(a),  13(c),  14 or 15(d) of the
Securities Exchange Act of 1934 after the date of this prospectus will be deemed
to be  incorporated  by reference  into this  prospectus  and to be part of this
prospectus from the date of the filing of such documents with the Securities and
Exchange Commission. Any statement contained in this prospectus or in a document
incorporated  or deemed to be  incorporated by reference in this prospectus will
be deemed to be modified or  superseded  for  purposes of this  prospectus  if a
statement  contained  in this  prospectus  or in any  other  subsequently  filed
document  which  also is or is deemed to be  incorporated  by  reference  herein
modifies or supersedes that  statement.  Any statement so modified or superseded
will not be deemed, except as so modified or superseded, to constitute a part of
this prospectus.

         This  prospectus  incorporates  documents  by  reference  that  are not
presented in this prospectus or delivered  herewith.  Copies of these documents,
other than exhibits to these documents that are not specifically incorporated by
reference in this  prospectus,  are available  without  charge to each person to
whom a copy of this prospectus is delivered, upon the written or oral request of
that person.  Requests for any  information  should be directed to Waste Systems
International,  Inc., 420 Bedford Street,  Suite 300,  Lexington,  Massachusetts
02420 (telephone number (781) 862-3000), attention: Chief Financial Officer.

<PAGE>

                                      II-4

                                     PART II

                   INFORMATION NOT REQUIRED IN THE PROSPECTUS

Item 14.  Other Expenses of Issuance and Distribution.

         The  following  table sets forth an itemized  statement of all expenses
expected to be incurred in connection with the issuance and  distribution of the
securities being  registered (all of which are estimated,  other than the filing
fee of the Securities and Exchange Commission):

         Securities and Exchange Commission filing fee............    $  2,606
         Legal fees and expenses..................................      10,000
         Accounting fees and expenses.............................       2,500
         NASDAQ fees and expenses.................................       7,500
         Transfer Agent's fees and expenses.......................         500
         Blue sky fees and expenses...............................         500
         Miscellaneous............................................           0
                                                                      $ 23,606

Item 15.  Indemnification of Directors and Officers.

         Section  145 of the  Delaware  General  Corporation  Law  (the  "DGCL")
provides that a corporation may indemnify a director, officer, employee or agent
against expenses (including attorneys' fees), judgments,  fines and amounts paid
in  settlement  in respect of or in  successful  defense of any action,  suit or
proceeding if he acted in good faith and in a manner he  reasonably  believed to
be in or not opposed to the best interests of the corporation, and, with respect
to any criminal  action or  proceeding,  had no reasonable  cause to believe his
conduct was unlawful.

         We have obtained  directors' and officers' insurance providing benefits
aggregating  $5  million.  In  addition,  Article X of our  Second  Amended  and
Restated Certificate of Incorporation (the "Charter") provides that directors or
officers of Waste Systems, or others serving as a director or officer of another
corporation at our request, shall be indemnified to the fullest extent permitted
by the DGCL. Article X further provides that the indemnification rights provided
by such  Article X shall not be deemed  exclusive  of any other  rights to which
those  indemnified  may  be  entitled  under  any  law,  agreement  or  vote  of
stockholders or disinterested directors or otherwise. Article VII of the Charter
further  provides  that no  director  shall be  personally  liable  to us or our
stockholders  for  monetary  damages  for any breach of  fiduciary  duty by such
person as a director, except to the extent that the elimination or limitation of
liability is not  permitted  under the DGCL as in effect when such  liability is
determined.  Any  amendment or repeal of Article VII by the  stockholders  or an
amendment to the DGCL shall not adversely  affect any right or protection  under
such  Article  existing at the time of such  amendment or repeal with respect to
any act or  omission  occurring  prior to such  amendment  or repeal of a person
serving as a director at the time of such amendment or repeal.

         Article V of our By-laws provides that present and former directors and
officers of Waste  Systems  shall be  indemnified  by us to the  fullest  extent
authorized  by the DGCL,  as the same  exists or may in the future be amended to
provide  for broader  indemnification  rights,  against  any and all  reasonable
expenses or liability  incurred in connection  with any  threatened,  pending or
completed  legal  proceeding in which any such person is involved as a result of
serving  or having  served as a  director  or  officer  of Waste  Systems,  as a
director  or officer of any  subsidiary  of Waste  Systems,  or acting or having
acted in any capacity with any other entity at our written request or direction,
in each  case if such  person  acted in good  faith  and in a  manner  he or she
reasonably  believed to be in, or not opposed  to, the best  interests  of Waste
Systems,  and with respect to criminal actions or proceedings,  that such person
had no reasonable cause to believe his or her conduct was unlawful.  The By-laws
provide that any  indemnification  extended to an officer  pursuant to Article V
shall include the reimbursement of expenses by us prior to the final disposition
of the proceeding upon the receipt of an undertaking by such indemnified  person
to repay such payment if it is determined  that such  indemnified  person is not
entitled to such reimbursement.  The By-laws further provide that the previously
described  provisions  of Article V are deemed to be a  contract  between  Waste
Systems and each director and officer. In addition, the By-laws provide that the
provisions with respect to  indemnification  and payment of expenses incurred in
defending a covered  proceeding  shall not be  exclusive  of any right which any
person may have or hereafter acquire under any statute, provision of the Charter
or the By-laws,  agreement,  vote of the stockholders or disinterested directors
or otherwise.

         We have also entered into an indemnification  agreement with one of our
directors,  William B. Philipbar.  The  indemnification  agreement  requires us,
among other things,  to indemnify Mr.  Philipbar to the fullest extent permitted
by law and advance to Mr. Philipbar all related expenses.  Under this agreement,
we must also  indemnify  and advance  all  expenses  incurred  by Mr.  Philipbar
seeking to enforce his rights under the indemnification agreement,  provided Mr.
Philipbar  prevails.  Although  the  form of  indemnification  agreement  offers
substantially the same scope of coverage afforded by law, it provides additional
assurance to Mr. Philipbar that  indemnification will be available because, as a
contract,  it  cannot be  modified  unilaterally  in the  future by the Board of
Directors or the  stockholders  to eliminate  the rights it provides.  It is the
position of the Commission  that  indemnification  of directors and officers for
liabilities  under the Securities Act is against public policy and unenforceable
pursuant to Section 14 of the Securities Act.


Item 16.  Exhibits and Financial Statement Schedules.

         The following is a complete list of exhibits filed or  incorporated  by
reference as part of this prospectus.


Exhibit No.        Description

1.1   Purchase  Agreement,  dated  February 25, 1999,  by and among First Albany
      Corporation  and Waste Systems  International,  Inc. and its  subsidiaries
      (incorporated by reference to Exhibit 1.1 of the Company's  Current Report
      on Form 8-K, dated March 2, 1999).

4.1   Warrant  Agreement  dated as of March 2, 1999,  by and among Waste Systems
      International,  Inc. and IBJ Whitehall  Bank & Trust  Company,  a New York
      banking  corporation,  as warrant  agent  (incorporated  by  reference  to
      Exhibit  4.2 of the  Company's  Current  Report on Form 8-K dated March 2,
      1999).

4.2   Warrant  Registration Rights Agreement,  dated as of March 2, 1999, by and
      among Waste Systems  International,  Inc. and its  subsidiaries  and First
      Albany  Corporation  (incorporated  by  reference  to  Exhibit  4.4 of the
      Company's Current Report on Form 8-K, dated March 2, 1999).

5.1   Opinion of Goodwin, Procter & Hoar LLP as to the legality of the
      securities being registered.

12.1  Statements re: Computation of Ratios (incorporated by reference to Exhibit
      12.1  to the  Company's  Registration  Statement  on  Form  S-4  File  No.
      333-81341).

23.1 Consent of Goodwin, Procter & Hoar LLP (included in Exhibit 5.1).

23.2 Consent of KPMG LLP, Independent Accountants.

24.1 Powers of Attorney (included on page II-4 hereto).



Item 17.  Undertakings.

   (a) The undersigned registrant hereby undertakes:

      (1) To file,  during any period in which offers or sales are being made, a
          post-effective amendment to this registration statement:

        (i) To include any prospectus required by Section 10(a)(3) of the
            Securities Act of 1933;

        (ii) To 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  set  forth  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 and 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 20 percent  change in the maximum  aggregate
      offering price set forth in the "Calculation of Registration Fee" table in
      the effective registration statement; and

        (iii) To 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)  That,  for  the  purpose  of  determining  any  liability  under  the
   Securities Act of 1933, each such post-effective amendment shall be deemed to
   be a new registration  statement  relating to the securities offered therein,
   and the  offering of such  securities  at that time shall be deemed to be the
   initial bona fide offering thereof; and

      (3) To remove from registration by means of a post-effective amendment any
   of the securities  being registered which remain unsold at the termination of
   the offering.

   (b) The registrant  hereby  undertakes  that, for purposes of determining any
liability  under the  Securities  Act of 1933,  each filing of the  registrant's
annual report pursuant to Section 13(a) or 15(d) of the Securities  Exchange Act
of 1934 that is incorporated by reference in the Registration Statement shall be
deemed to be a new  registration  statement  relating to the securities  offered
therein,  and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.

   (e) The undersigned  registrant  hereby  undertakes to deliver or cause to be
delivered with the prospectus,  to each person to whom the prospectus is sent or
given,  the latest annual  report to security  holders that is  incorporated  by
reference  in  the  prospectus  and  furnished   pursuant  to  and  meeting  the
requirements  of Rule 14a-3 or Rule 14c-3 under the  Securities  Exchange Act of
1934;  and,  where  interim  financial  information  required to be presented by
Article 3 of Regulation S-X is not set forth in the prospectus,  to deliver,  or
cause to be  delivered to each person to whom the  prospectus  is sent or given,
the latest  quarterly  report that is specifically  incorporated by reference in
the prospectus to provide such interim financial information.

   (h) Insofar as indemnification  for liabilities  arising under the Securities
Act of 1933 may be permitted to directors,  officers and controlling  persons of
the  registrant  pursuant  to  the  foregoing  provisions,   or  otherwise,  the
registrant  has been advised that in the opinion of the  Securities and Exchange
Commission such indemnification is against public policy as expressed in the Act
and is, therefore,  unenforceable. In the event that a claim for indemnification
against such  liabilities  (other than the payment by the registrant of expenses
incurred or paid by a director,  officer or controlling person of the registrant
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 registrant 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 of 1933 and will be
governed by the final adjudication of such issue.


<PAGE>


                                                     SIGNATURES

   Pursuant to the  requirements  of  Securities  Act, the  registrant  has duly
caused  this  registration   statement  to  be  signed  on  its  behalf  by  the
undersigned, thereunto duly authorized in the Town of Lexington, Commonwealth of
Massachusetts, on this 5th day of August, 1999.

                   WASTE SYSTEMS INTERNATIONAL, INC.

                   By: /s/ Robert Rivkin
                        Robert Rivkin
                   Executive Vice President_Acquisitions, Chief Financial
                   Officer, Secretary, Treasurer and Director
                  (Principal Financial and Accounting Officer)


                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS,  that we, the undersigned  officers and
directors of Waste Systems International,  Inc. hereby constitute Robert Rivkin,
our true and  lawful  attorney  with full power to him to sign for us and in our
names in the  capacities  indicated  below,  the  registration  statement  filed
herewith  and  any and  all  amendments  to  said  registration  statement,  and
generally to do all such things in our names and in our  capacities  as officers
and  directors to enable Waste  Systems  International,  Inc. to comply with the
provisions of the Securities Act of 1933 and all  requirements of the Securities
and Exchange Commission,  hereby ratifying and confirming our signatures as they
may be signed by our said attorney,  to said registration  statement and any and
all amendments thereto.

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
registration  statement  has been signed below by the  following  persons in the
capacities and on the date indicated.

Date: August 5, 1999               By: /s/ Philip Strauss
                                       -------------------
                                       Philip Strauss
                                       Chairman, Chief Executive Officer and
                                       President
                                       (Principal Executive Officer)

Date: August 5, 1999               By: /s/ Robert Rivkin
                                       -----------------
                                       Robert Rivkin
                                       Executive Vice President_Acquisitions,
                                       Chief Financial Officer, Secretary,
                                       Treasurer and Director (Principal
                                       Financial and Accounting Officer)

Date: August 5, 1999               By: /s/ Jay J. Matulich
                                       -------------------
                                       Jay J. Matulich_Director

Date: August 5, 1999               By: /s/ David J. Breassano
                                       ----------------------
                                       David J. Breazzano_Director

Date: August 5, 1999               By: /s/ Charles Johnston
                                       --------------------
                                      Charles Johnston_Director

Date: August 5, 1999               By: /s/ Judy K. Mencher
                                       -------------------
                                       Judy K. Mencher_Director

Date: August 5, 1999               By: /s/ William B. Philipbar
                                       ------------------------
                                       William B. Philipbar_Director


<PAGE>



                                                                    Exhibit 5.1







                                                   August 4, 1999


Waste Systems International, Inc.
420 Bedford Street, Suite 300
Lexington, MA 02420

         Re:      Legality of Securities to be Registered under Registration
                  Statement on Form S-3.

Ladies and Gentlemen:

         This opinion is  delivered in our capacity as counsel to Waste  Systems
International,  Inc., a Delaware corporation (the "Company"), in connection with
the preparation and filing with the Securities and Exchange Commission under the
Securities  Act of 1933,  as amended (the  "Securities  Act") of a  Registration
Statement  on  Form  S-3  (the   "Registration   Statement")   relating  to  the
registration of 1,500,000  warrants (the "Warrants") to purchase common stock of
the Company,  $.01 par value per share (the "Common Stock") and 1,500,000 shares
of Common Stock issuable upon exercise of the Warrants (the "Warrant Shares").

         As counsel for the  Company,  we have  examined  that  certain  Warrant
Agreement (the "Agreement"),  dated as of March 2, 1999, between the Company and
subsidiaries  and IBJ Whitehall  Bank & Trust  Company,  as Warrant  agent,  the
Registration  Statement and the prospectus  contained therein, and the Company's
Second  Amended and  Restated  Certificate  of  Incorporation,  as amended,  and
By-laws,  each as presently in effect, such records of the corporate proceedings
of the  Company as we have deemed to be  material  and such other  certificates,
receipts,   records,  and  other  documents  as  we  have  deemed  necessary  or
appropriate for the purposes of this opinion.

         We  are  attorneys   admitted  to  practice  in  the   Commonwealth  of
Massachusetts.  We express no opinion  concerning the laws of any  jurisdictions
other than the laws of the  United  States of America  and the  Commonwealth  of
Massachusetts,  and also  express  no  opinion  with  respect to the blue sky or
securities laws of any state, including Massachusetts.

         Based on the foregoing, we are of the opinion that (i) the Warrants are
duly authorized, executed and delivered by the Company and (ii) when the Warrant
Shares are sold and paid for pursuant to the terms of the Agreement, the Warrant
Shares will be duly authorized, validly issued, fully paid and non-assessable by
the Company under the Delaware General Corporation Law.

         The foregoing  assumes that all requisite steps will be taken to comply
with the requirements of the Securities Act and applicable requirements of state
laws regulating the offer and sale of securities.

         We hereby  consent  to being  named as  counsel  to the  Company in the
Registration Statement and to the inclusion of this opinion as an exhibit to the
Registration Statement.



                                              Very truly yours,

                                              /s/ Goodwin, Procter & Hoar LLP

                                                 GOODWIN, PROCTER & HOAR  LLP


<PAGE>



                                                           Exhibit 23.2

                       CONSENT OF INDEPENDENT ACCOUNTANTS

         We consent to the use of our report  incorporated  herein by  reference
and to the reference to our firm under the heading "Experts" in the Prospectus.


                                                        /s/ KPMG LLP

                                                           KPMG LLP

Boston, Massachusetts
August 4, 1999



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