EXHIBIT 10.1(i)
                                                                 ---------------

                                SEVENTH AMENDMENT
                               TO REVOLVING CREDIT
                           AND PARTICIPATION AGREEMENT

          This SEVENTH AMENDMENT TO REVOLVING CREDIT AND PARTICIPATION AGREEMENT
(this "Amendment") is dated as of March 22, 2002 and entered into by and among
COVANTA ENERGY CORPORATION, a Delaware corporation ("Company"), and THE
SUBSIDIARIES OF COMPANY LISTED ON THE SIGNATURE PAGES HEREOF AS BORROWERS
(collectively, Company and such Subsidiaries of Company are "Borrowers" and each
a "Borrower"), THE SUBSIDIARIES OF COMPANY LISTED ON THE SIGNATURE PAGES HEREOF
AS SUBSIDIARY GUARANTORS (collectively, the "Subsidiary Guarantors"), THE
LENDERS PARTY HERETO, BANK OF AMERICA, N.A., as Administrative Agent for the
Lenders ("Administrative Agent"), and DEUTSCHE BANK AG, NEW YORK BRANCH, as
Documentation Agent for the Lenders ("Documentation Agent"), and is made with
reference to that certain Revolving Credit and Participation Agreement dated as
of March 14, 2001 (as amended, restated, supplemented or otherwise modified
prior to the date hereof, the "Credit Agreement"), by and among Borrowers, the
financial institutions parties thereto as Lenders, Administrative Agent and
Documentation Agent. Capitalized terms used herein without definition shall have
the same meanings herein as set forth in the Credit Agreement (as amended by
this Amendment).

                                    RECITALS

          WHEREAS, Borrowers and the undersigned Lenders desire to (i) amend
certain provisions of the Credit Agreement to (a) permit the sales of certain
interests in Thailand and (b) permit Company to guarantee the indemnification
obligations of its Subsidiaries under the relevant sale agreements, and (ii)
make certain other amendments to the Credit Agreement as set forth below, in
each case subject to the terms and conditions set forth below;

          NOW, THEREFORE, in consideration of the premises and agreements,
provisions and covenants herein contained, the parties hereto agree as follows:

          SECTION 1. AMENDMENTS TO THE CREDIT AGREEMENT

          1.1 Provisions Relating to Defined Terms.

          Subsection 1.1 of the Credit Agreement is hereby amended by inserting
the following new definitions in the appropriate alphabetical order:

          "Seventh Amendment" means that certain Seventh Amendment to this
     Agreement dated as of March 22, 2002.

          "Seventh Amendment Effective Date" has the meaning assigned to that
     term in the Seventh Amendment.

          "Thai Buyers" means, collectively, Rojana Industrial Park Public
     Company Limited, Sumikin Bussan Corporation, Saha Pathana Inter-Holding
     Public Company Limited, S&J International Enterprises Public Company
     Limited, I.C.C. International Public Company Limited and Saha Pathanapibul
     Public Company Limited.

          "Thai Companies" means, collectively, (i) Operational Energy Group
     Limited, a company incorporated under the laws of Thailand that is in the
     business of operating and maintaining electric power and thermal energy
     production facilities, (ii) Rojana Power Co. Ltd., a company incorporated
     under the laws of Thailand that owns a natural gas fueled cogeneration
     power plant in Ayudthaya, Thailand, and (iii) Sahacogen (Chonburi) Co.,
     Ltd., a company incorporated under the laws of Thailand that owns a natural
     gas fueled cogeneration power plant in Sriracha, Thailand.

          "Thai Sale Agreements" means, collectively, (i) the agreements for the
     sale of the equity interests of Company and its Subsidiaries in the Thai
     Companies to the Thai Buyers and (ii) all principal documents executed by
     Company, any of its Subsidiaries or any of the Thai Buyers in connection
     with such agreements, in each case in the form delivered to Agents and
     Lenders prior to the Seventh Amendment Effective Date, with such
     modifications thereto prior to execution and delivery thereof as may be
     reasonably satisfactory to Agents (it being understood that such agreements
     and documents may not be modified in a manner that would reasonably be
     expected to result in a breach of this Agreement or that is material and
     would reasonably be expected to be adverse to the interests of Borrowers or
     the Lenders, without the prior written consent of the Requisite Lenders,
     except that modifications to defer receipt of a portion of the purchase
     price shall require only the consent of Agents), and as such agreements and
     documents may be amended, supplemented or otherwise modified after the
     execution thereof to the extent permitted under this Agreement.

          1.2 Provision Relating to Contingent Obligations.

          Subsection 7.4 of the Credit Agreement is hereby amended by (1)
deleting the word "and" at the end of clause (ix), (ii) deleting the "." at the
end of clause (x) and substituting "; and" therefor, and (iii) inserting the
following new clause (xi) immediately after clause (x):

          "(xi) On and after consummation of the Asset Sale permitted under
     subsection 7.7(xv), Covanta Energy Group, Inc. may become and remain liable
     with respect to Contingent Obligations consisting of guaranties (under the
     Thai Sale Agreements) of the indemnification obligations of its
     Subsidiaries to the Thai Buyers."

          1.3 Provision Relating to Fundamental Changes.

          Subsection 7.7 of the Credit Agreement is hereby amended by (i)
deleting the word "and" at the end of clause (xiii), (ii) deleting the "." at
the end of clause (xiv) and substituting "; and" therefor, and (iii) inserting
the following new clause (xv) immediately after clause (xiv):

          "(xv) On or after the Seventh Amendment Effective Date, Subsidiaries
     of Company may sell their respective equity interests in the Thai Companies
     pursuant to and in accordance with the terms of the Thai Sale Agreements;
     provided that the aggregate Net Asset Sale Proceeds from such sales shall
     not be less than $33,000,000 and shall, within one Business Day after
     receipt thereof (whether received on the date of consummation of such sale
     or deferred), be deposited in the Cash Collateral Account (it being
     understood that prior to receipt of any such proceeds Company shall have
     provided evidence reasonably satisfactory to Agents that Company and its
     Subsidiaries have made arrangements to effect such deposit on a timely
     basis), except that not more than $2,000,000 of such Net Asset Sale
     Proceeds may be deposited in other Collateral Accounts."

          SECTION 2. BORROWER'S REPRESENTATIONS AND WARRANTIES

          In order to induce the Lenders to enter into this Amendment and to
amend the Credit Agreement in the manner provided herein, Borrowers represent
and warrant to each Lender that the following statements are true, correct and
complete:

          2.1 Corporate Power and Authority. Each Loan Party has all requisite
corporate power and authority to enter into this Amendment and to carry out the
transactions contemplated by, and perform its obligations under, the Credit
Agreement as amended by this Amendment (the "Amended Agreement").

          2.2 Authorization of Agreements. The execution and delivery of this
Amendment has been duly authorized by all necessary corporate action on the part
of each Loan Party and the performance of the Amended Agreement has been duly
authorized by all necessary corporate action on the part of each Borrower.

          2.3 No Conflict. The execution and delivery by each Loan Party of this
Amendment and the performance by each Borrower of the Amended Agreement do not
and will not (i) violate any provision of any law or any governmental rule or
regulation applicable to any Loan Party or any of its Subsidiaries, or the
Certificate or Articles of Incorporation or Certificate of Formation or Bylaws
or Operating Agreement of any Loan Party or any of its Subsidiaries or any
order, judgment or decree of any court or other agency of government binding on
any Loan Party or any of its Subsidiaries, (ii) conflict with, result in a
breach of or constitute (with due notice or lapse of time or both) a default
under any indenture, mortgage, deed of trust, credit agreement or loan
agreement, or any other material agreement, contract or instrument to which any
Loan Party or any of its Subsidiaries is a party or by which it or any of its
property or assets is bound or to which it may be subject (each such indenture,
mortgage, deed of trust, credit agreement, loan agreement, material agreement,
contract or instrument, a "Contractual Obligation"), (iii) result in or require
the creation or imposition of any Lien upon any of the properties or assets of
any Loan Party or any of its Subsidiaries (other than Liens created under any of
the Loan Documents in favor of Administrative Agent or Collateral Agent on
behalf of the Banks), or (iv) require any approval of stockholders or any
approval or consent of any Person under any Contractual Obligation of any Loan
Party or any of its Subsidiaries.

          2.4 Governmental Consents. The execution and delivery by each Loan
Party of this Amendment and the performance by each Borrower of the Amended
Agreement do not and will not require any registration with, consent or approval
of, or notice to, or other action to, with or by, any federal, state or other
governmental authority or regulatory body.

          2.5 Binding Obligation. This Amendment has been duly executed and
delivered by each Loan Party, and each of this Amendment and the Amended
Agreement is the legally valid and binding obligations of each Loan Party
enforceable against each Loan Party in accordance with its respective terms,
except as may be limited by bankruptcy, insolvency, reorganization, moratorium
or similar laws relating to or limiting creditors' rights generally or by
equitable principles relating to enforceability.

          2.6 Incorporation of Representations and Warranties From Credit
Agreement. The representations and warranties contained in Section 5 of the
Credit Agreement are and will be true, correct and complete in all material
respects on and as of the Seventh Amendment Effective Date (as hereinafter
defined) to the same extent as though made on and as of that date, except to the
extent such representations and warranties specifically relate to an earlier
date, in which case they were true, correct and complete in all material
respects on and as of such earlier date.

          2.7 Absence of Default. As of the date hereof after giving effect
hereto, there exists no Event of Default or Potential Event of Default under the
Credit Agreement, other than the Designated Payment Defaults (as defined in
subsection 10.27 of the Credit Agreement).

          SECTION 3. CONDITIONS TO EFFECTIVENESS

          Section 1 of this Amendment shall become effective only upon the date
on which Agents shall have received (i) substantially final drafts of the Thai
Sale Agreements, which shall not contain any provision or contemplate any
transaction prohibited by the Amended Agreement and shall otherwise be in form
and substance reasonably satisfactory to Agents, and (ii) such other documents
and information regarding the Asset Sales contemplated under the Thai Sale
Agreements as Agents or Lenders shall have reasonably requested (such date being
referred to herein as the "Seventh Amendment Effective Date").

          SECTION 4. ACKNOWLEDGEMENT AND CONSENT

          Each Borrower and Subsidiary Guarantor hereby acknowledges that such
Loan Party has read this Amendment and consents to the terms hereof and further
hereby confirms and agrees that, notwithstanding the effectiveness of this
Amendment, the obligations of such Loan Party under each of the Loan Documents
to which such Loan Party is a party shall not be impaired and each of the Loan
Documents to which such Loan Party is a party are, and shall continue to be, in
full force and effect and are hereby confirmed and ratified in all respects.

          SECTION 5. MISCELLANEOUS

          5.1 Reference to and Effect on the Credit Agreement and the Other Loan
Documents.

          A. On and after the Seventh Amendment Effective Date, each reference
in the Credit Agreement to "this Agreement", "hereunder", "hereof", "herein" or
words of like import referring to the Credit Agreement, and each reference in
the other Loan Documents to the "Credit Agreement", "thereunder", "thereof" or
words of like import referring to the Credit Agreement shall mean and be a
reference to the Amended Agreement.

          B. Except as specifically amended by this Amendment, the Credit
Agreement and the other Loan Documents shall remain in full force and effect and
are hereby ratified and confirmed.

          C. The execution, delivery and performance of this Amendment shall not
constitute a waiver of any provision of, or operate as a waiver of any right,
power or remedy of any Agent or any Lender under, the Credit Agreement or any of
the other Loan Documents.

          D. Company agrees that any failure to comply with the covenants in
this Amendment shall be an Event of Default under the Credit Agreement.

          5.2 Fees and Expenses. Each Borrower acknowledges that all costs, fees
and expenses as described in subsection 10.2 of the Credit Agreement incurred by
Administrative Agent, Documentation Agent or the Lenders and their respective
counsel (including, without limitation, O'Melveny & Myers LLP and Ernst & Young
Corporate Finance LLC) with respect to this Amendment and the documents and
transactions contemplated hereby shall be for the account of Borrowers.

          5.3 Headings. Section and subsection headings in this Amendment are
included herein for convenience of reference only and shall not constitute a
part of this Amendment for any other purpose or be given any substantive effect.

          5.4 Applicable Law. THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF
THE PARTIES HEREUNDER SHALL BE GOVERNED BY, AND SHALL BE CONSTRUED AND ENFORCED
IN ACCORDANCE WITH, THE INTERNAL LAWS OF THE STATE OF NEW YORK (INCLUDING
WITHOUT LIMITATION SECTION 5-1401 OF THE GENERAL OBLIGATIONS LAW OF THE STATE OF
NEW YORK), WITHOUT REGARD TO CONFLICTS OF LAWS PRINCIPLES.

          5.5 Counterparts; Effectiveness. This Amendment may be executed in any
number of counterparts and by different parties hereto in separate counterparts,
each of which when so executed and delivered shall be deemed an original, but
all such counterparts together shall constitute but one and the same instrument;
signature pages may be detached from multiple separate counterparts and attached
to a single counterpart so that all signature pages are physically attached to
the same document. This Amendment (other than the provisions of Section 1
hereof, the effectiveness of which is governed by Section 3 hereof) shall become
effective upon (i) the execution of a counterpart hereof by each Borrower, each
Subsidiary Guarantor and Lenders constituting Requisite Lenders, and (ii)
receipt by each Borrower, Administrative Agent and Documentation Agent of
written or telephonic notification of such execution and authorization of
delivery thereof. Section 1 of this Amendment shall become effective only in the
manner set forth in Section 3 of this Amendment.

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          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be duly executed and delivered by their respective officers thereunto duly
authorized as of the date first written above.

                  BORROWERS:

                                COVANTA ENERGY CORPORATION
                                By:/s/ Jeffrey R. Horowitz
                                   -------------------------------------
                                     Name:  Jeffrey R. Horowitz
                                     Title: Authorized Officer

                                Each of the entities named on Schedule A annexed
                                hereto, as Borrowers

                                By:/s/ Jeffrey R. Horowitz
                                   -------------------------------------
                                     Name:  Jeffrey R. Horowitz
                                     Title: Authorized Officer

                                Each of the entities named on Schedule B annexed
                                hereto, as Subsidiary Guarantors

                                By:/s/ William J. Metzger
                                   -------------------------------------
                                     Name:  William J. Metzger
                                     Title: Authorized Officer






                  AGENTS AND LENDERS:



                                BANK OF AMERICA, N.A.,
                                as Administrative Agent, Co-Arranger, Co-Book
                                Runner and as a Lender

                                By:/s/ Michael R. Heredia
                                   -------------------------------------
                                     Name:  Michael R. Heredia
                                     Title: Managing Director





                                DEUTSCHE BANK AG, NEW YORK BRANCH
                                As Documentation Agent, Co-Arranger, Co-Book
                                Runner and as a Lender

                                By:/s/ Keith C. Braun
                                   -------------------------------------
                                     Name:  Keith C. Braun
                                     Title: Vice President

                                By:/s/ Clark G. Peterson
                                   -------------------------------------
                                     Name:  Clark G. Peterson
                                     Title: Vice President





                                BANC OF AMERICA SECURITIES LLC, as agent for
                                BANK OF AMERICA, N.A.
                                as a Lender

                                By:/s/ Gregory Ford
                                   -------------------------------------
                                     Name:  Gregory Ford
                                     Title: Managing Director

                                By:/s/
                                   -------------------------------------
                                     Name:
                                     Title:





                                BAYERISCHE HYPO-UND VEREINSBANK AG,
                                as a Lender

                                By:/s/ Michael Novellino
                                   -------------------------------------
                                     Name:  Michael Novellino
                                     Title: Associate Director

                                By:/s/ John W. Sweeney
                                   -------------------------------------
                                     Name:  John W. Sweeney
                                     Title: Director





                                CANADIAN IMPERIAL BANK OF COMMERCE,
                                as a Lender

                                By:/s/ Brian T. McDonough
                                   -------------------------------------
                                     Name:     Brian T. McDonough
                                     Title:    Vice-President

                                By:/s/
                                   -------------------------------------
                                     Name:
                                     Title:





                                CLARICA LIFE INSURANCE COMPANY,
                                as a Lender

                                By:/s/ Sara M. Alvarado
                                   -------------------------------------
                                     Name:  Sara M. Alvarado
                                     Title: Director, Structured Finance






                                COMMERZBANK AG, NEW YORK AND GRAND
                                CAYMAN BRANCHES
                                as a Lender

                                By:/s/ Robert J. Donohue
                                   -------------------------------------
                                     Name:  Robert J. Donohue
                                     Title: Senior Vice President

                                By:/s/ Peter Doyle
                                   -------------------------------------
                                     Name:  Peter Doyle
                                     Title: Vice President






                                HSBC BANK CANADA,
                                as a Lender

                                By:/s/ J. S. Brydon
                                   -------------------------------------
                                     Name:  J. S. Brydon
                                     Title: Senior Manager

                                By:/s/ B. W. Pittit
                                   -------------------------------------
                                     Name:  B. W. Pittit
                                     Title: Assistant Vice President





                                HSBC BANK USA,
                                as a Lender
                                By:/s/ Carol A. Kraus
                                   -------------------------------------
                                     Name:     Carol A. Kraus
                                     Title:    Vice President





                                THE BANK OF NEW YORK,
                                as a Lender

                                By:/s/ Peter W. Helt
                                   -------------------------------------
                                     Name: Peter W. Helt
                                     Title: Vice President





                                THE BANK OF NOVA SCOTIA,
                                as a Lender
                                By:/s/ Joseph J. Farricielli, Jr.
                                   -------------------------------------
                                     Name:  Joseph J. Farricielli, Jr.
                                     Title: Director





                                THE SUMITOMO TRUST & BANKING CO., LTD.
                                NY BRANCH,
                                as a Lender
                                By:/s/ Elizabeth A. Quirk
                                   -------------------------------------
                                     Name:  Elizabeth A. Quirk
                                     Title: Vice President





                                U.S. BANK NATIONAL ASSOCIATION
                                (formerly known as Firstar Bank, N.A.),
                                as a Lender
                                By:/s/ Alan R. Milster
                                   -------------------------------------
                                     Name:     Alan R. Milster
                                     Title:    Vice President





                                WESTDEUTSCHE LANDESBANK GIROZENTRALE,
                                as a Lender
                                By:/s/ Alan S. Bookspan
                                   -------------------------------------
                                     Name:  Alan S. Bookspan
                                     Title: Director

                                By:/s/ Walter T. Duffy, III
                                   ------------------------
                                     Name:  Walter T. Duffy, III
                                     Title: Associate Director