SECOND AMENDMENT
                             TO DEBTOR-IN-POSSESSION
                                CREDIT AGREEMENT

                  This SECOND AMENDMENT TO DEBTOR-IN-POSSESSION CREDIT AGREEMENT
(this "Amendment") is dated as of May 10, 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 Debtor-in-Possession Credit Agreement dated as of
April 1, 2002, as amended by that certain First Amendment to Credit Agreement
and Security Agreement dated as of April 3, 2002 (as so amended, the "Credit
Agreement"), by and among Borrowers, the financial institutions parties thereto
as Lenders, Documentation Agent and Administrative 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 (i) to
make certain corrections and amendments to the Credit Agreement as set forth
below, and (ii) to approve a new Monthly Budget and the changes from the Interim
Borrowing Order contained in the Final Borrowing Order, 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.

                  A. Subsection 1.1 of the Credit Agreement is hereby amended by
deleting the definitions of "Cash Balance", "Equity Bonds", "Existing L/C
Issuer", "Material Adverse Effect" and "Project Cash Collateral Order" in their
entirety and inserting the following new definitions in the appropriate
alphabetical order:

                  "Material Adverse Effect" means (i) a material adverse effect
         upon the business, operations, properties, assets, condition (financial
         or otherwise) or prospects of Borrowers, taken as a whole, or Company
         and its Subsidiaries, taken as a whole, or (ii) the impairment of the
         ability of Loan Parties taken as a whole to perform, or of
         Administrative Agent or Lenders to enforce, the Obligations.

                  "Project Cash Collateral Order" means (i) the "Final Order (I)
         Authorizing the Use of Cash Collateral Pursuant to 11 U.S.C. ss. 363,
         And (II) Granting Adequate Protection Pursuant To 11 U.S.C. ss.ss. 363
         and 364", entered by the Bankruptcy Court in the Chapter 11 Cases on
         April 18, 2002, and (ii) any other orders in form and substance
         satisfactory to Agents regarding the use of Cash collateral of
         Borrowers entered by the Bankruptcy Court in the Chapter 11 Cases as a
         result of motions and applications filed by one or more Persons with
         the Bankruptcy Court on or after the Petition Date, as any such order
         described in clause (i) or (ii) may be amended, supplemented or
         otherwise modified from time to time with the express written consent
         or joinder of Agents (and, if such amendment, supplement or other
         modification is material and adverse to the interests of Borrowers
         and/or Lenders, Requisite Lenders) and approved by the Bankruptcy
         Court.

                  "Shell Subsidiary" has the meaning assigned to that term in
         the Prepetition Credit Agreement as in effect on the Effective Date.

                  B. Subsection 1.1 of the Credit Agreement is hereby further
amended by adding immediately prior to the "." at the end of the definition of
"Project" the following proviso:

         "; provided, however, that a Project shall cease to be a Project at
         such time that Company or any of its Subsidiaries ceases to have any
         existing or future rights or obligations (whether direct or indirect,
         contingent or matured) associated therewith".

                  C. Subsection 1.1 of the Credit Agreement is hereby further
amended by deleting the word "above" in clause (ii)(b) of the definition of
"Foreign Cash Equivalents".

                  D. Subsection 1.1 of the Credit Agreement is hereby further
amended by deleting the reference to "Prepetition Agents" in the definition of
"NHL Priority Loan Letter Agreement" and substituting therefor "Prepetition
Agent".

                  E. Subsection 1.1 of the Credit Agreement is hereby further
amended by adding immediately prior to the phrase "Supermajority Tranche A
Lenders agree in writing" each time it appears in the definition of "Stated
Maturity Date" the phrase "Company requests and".

                  F. Subsection 1.1 of the Credit Agreement is hereby further
amended by (i) deleting the "a" immediately preceding the reference to "plan of
reorganization" in clause (ii) of the definition of "Termination Date", (ii)
deleting the phrase "forty-five (45) days" contained in clause (vi) of the
definition of "Termination Date" and substituting therefor "sixty (60) days",
and (ii) deleting clauses (viii) and (ix) of the definition of "Termination
Date" in their entirety and substituting therefor the following:

         " and (viii) the date of termination of exclusivity under any of the
         Chapter 11 Cases without the prior written approval of Requisite
         Lenders, unless such termination occurs (a) within 180 days of the
         Petition Date to permit the filing of a competing plan of
         reorganization by the official committee of unsecured creditors in the
         Chapter 11 Cases, or (b) more than 180 days after the Petition Date to
         permit the official committee of unsecured creditors in the Chapter 11
         Cases to file a plan of reorganization, in each case so long as the DIP
         Lenders, on the one hand, and Borrowers, on the other hand, but no
         other parties, also have the right to file a plan of reorganization
         upon and after such termination.".

     1.2 Provisions relating to Terms of Commitments and Loans.

                  A. Subsection 2.4A(ii) of the Credit Agreement is hereby
amended by (i) adding immediately after the reference to "Tranche A Letter of
Credit Sublimit" in clause (1)(x) of the last sentence of such subsection the
phrase "(or, if all Tranche A Commitments exceeding the Tranche A Letter of
Credit Usage would be cancelled as a result of such Commitment reduction, the
Tranche A Letter of Credit Usage)", and (ii) adding immediately prior to the "."
at the end thereof the following proviso:

         "; provided, however, that notwithstanding the foregoing provisions of
         this sentence, the Borrowers may terminate all of the Tranche A
         Commitments and all of the Tranche B Commitments if simultaneously with
         such termination (I) the unpaid principal amount of, and accrued
         interest on, any funded amounts under any Letters of Credit and any
         Tranche A Loans and Tranche B Loans is paid in full in cash, and (II)
         all Letters of Credit then outstanding shall be cash collateralized (or
         supported by standby letters of credit or letters of credit in form and
         substance (and issued by financial institutions) satisfactory to the
         issuers thereof, or canceled in connection with the issuance of
         replacement letters of credit to the beneficiaries thereof) in an
         amount equal to the maximum available amount that may at any time on or
         after such date be drawn under all such Letters of Credit (whether or
         not any beneficiary under any such Letter of Credit shall have
         presented, or shall be entitled at such time to present, the drafts or
         other documents or certificates required to draw under such Letter of
         Credit)".

                  B. Subsection 2.5A of the Credit Agreement is hereby amended
by (i) deleting the phrase "provided, further, that during the period prior to
the date that is 90 days after the appointment of an official committee for the
unsecured creditors, proceeds of the Tranche A Loans not to exceed $75,000"
contained therein and substituting therefor the following:

         "provided, further, that, subject to subsection 2.10, during the period
         prior to the date that is 120 days (to the extent permitted under the
         Final Borrowing Order) after the appointment of an official committee
         for the unsecured creditors, proceeds of the Loans, the Letters of
         Credit and cash Collateral not to exceed $125,000".

                  C. Subsection 2.10 of the Credit Agreement is hereby amended
by:

                (i) adding the words "by the Company or any official committee"
         immediately after the words "expenses incurred" in clause (i) thereof;

               (ii) deleting the reference to "$2,000,000" contained therein and
         substituting therefor "$2,500,000";

              (iii) adding immediately after the reference to "726" contained
         therein the phrase "(subject, in the case of Sections 506(c) and 726,
         to the terms of the Final Borrowing Order)"; and

              (iv) deleting the last proviso of the first sentence of such
         subsection in its entirety and substituting therefor the following:

                  "provided further, however, that in no event shall there be
                  paid from proceeds of the Loans, the Letters of Credit or any
                  cash Collateral any fees and expenses incurred in challenging
                  liens or claims as described in subsection 10.19C, except
                  that, subject to the Carve-Outs, the professionals for an
                  official creditors' committee may be paid (to the extent
                  allowed by the Bankruptcy Court) fees and expenses incurred
                  during the period prior to the date that is 120 days (to the
                  extent permitted under the Final Borrowing Order) after the
                  appointment of such committee in analyzing such liens or
                  claims in an amount not to exceed $125,000, to the extent
                  permitted under the Final Borrowing Order.".

1.3      Provisions Relating to Conditions Precedent.

                  A. Subsection 4.2B(v) of the Credit Agreement is hereby
amended by deleting the reference to "45 days" contained therein and
substituting therefor "60 days".

                  B. Subsection 4.2B(xi) of the Credit Agreement is hereby
further amended by adding immediately after the reference to "55 days" contained
therein the phrase "(or 75 days, in the case of clause (f) of this subsection
4.2B(xi))".

     1.4 Provisions Relating to Representations and Warranties.

                  A. Subsection 5.4 of the Credit Agreement is hereby amended by
deleting the "and" at the end of clause (i) thereof and substituting therefor
"or".

                  B. Subsection 5.15A of the Credit Agreement is hereby amended
by adding the following sentence as the third to last paragraph thereof:

         "The foregoing Lien priorities are subject in each case to the Final
         Borrowing Order and the Project Cash Collateral Order.".

                  C. Subsection 5.17 of the Credit Agreement is hereby amended
by adding at the end thereof the following sentence:

         "Nothing in this subsection 5.17 shall be construed as waiving or
         otherwise prejudicing the rights of the official committee for the
         unsecured creditors appointed in the Chapter 11 Cases as described in
         subsection 10.19C.".

     1.5 Provisions Relating to Affirmative Covenants.

                  A. Subsection 6.1(xxi) of the Credit Agreement is hereby
amended by deleting the reference to "March 31, 2002" and substituting therefor
"April 1, 2002".

                  B. Subsection 6.1(xxii) of the Credit Agreement is hereby
amended by adding immediately prior to the phrase "satisfactory to Agents and
Requisite Lenders" contained therein the word "reasonably".

                  C. Subsection 6.8A of the Credit Agreement is hereby amended
by deleting the phrase "subsections 5.20C(i) and 5.20C(ii)" and substituting
therefor "subsection 5.20C(i) or 5.20C(ii)".

     1.6 Provisions Relating to Negative Covenants.

                  A. Subsection 7.2C of the Credit Agreement is hereby amended
by (i) deleting the word "and" immediately preceding clause (b) thereof and
substituting a "," therefor, and (ii) adding immediately prior to the "." at the
end thereof the phrase ", (c) those encumbrances and restrictions in effect and
existing on the Petition Date, and (d) those encumbrances and restrictions
contemplated in any Project Cash Collateral Order".

                  B. Subsection 7.5 of the Credit Agreement is hereby amended by
adding the words "the Final Borrowing Order," immediately prior to the words
"the Project Cash Collateral Order" in the two places the latter words appear in
clause (c) thereof.

                  C. Subsection 7.6B of the Credit Agreement is hereby amended
by deleting the reference to "March 31, 2002" and substituting therefor "April
1, 2002".

                  D. Subsection 7.7(ix) of the Credit Agreement is hereby
amended by deleting the reference to "applicable Opt-Out Lenders" and
substituting therefor "Opt-Out Lender".

                  E. Subsection 7.8 of the Credit Agreement is hereby amended by
deleting the first sentence thereof in its entirety and substituting therefor
the following sentence:

         "Borrowers shall not, and shall not permit their respective
         Subsidiaries to, make cash expenditures in respect of bonus, retention,
         severance or similar arrangements with respect to any of their
         respective officers, employees, directors or advisors, except that
         Borrowers and their respective Subsidiaries may make cash expenditures
         in an amounts not exceeding the amounts disclosed in writing to Agents
         and Lenders pursuant to subsection 4.1U and disclosed to counsel to the
         official committee of unsecured creditors appointed in the Chapter 11
         Cases on or before the entry of the Final Borrowing Order, so long as
         (x) the other terms of the bonus, retention, severance or similar
         arrangements or plans are reasonably acceptable to Agents and Requisite
         Lenders, and (y) Borrowers are in compliance with the terms of the
         "Amended Order Pursuant to Sections 363(b) and 105(a) of Bankruptcy
         Code Authorizing Debtors to Make Payments and Transfers Necessary to
         Pay Bonus Obligations and Vacation Obligations", including the fifth
         ordering paragraph thereof."

     1.7 Provisions Relating to Events of Default.

                  A. Subsection 8.6(a) of the Credit Agreement is hereby amended
by adding immediately after the word "otherwise" in clause (i) thereof the
phrase "(except as provided in the Final Borrowing Order)".

                  B. Subsection 8.6(b) of the Credit Agreement is hereby amended
by adding immediately prior to the reference to "term, covenant or agreement"
contained therein the word "material".

                  C. Subsection 8.6(d) of the Credit Agreement is hereby amended
by deleting the phrase "forty-five (45) days" contained therein and substituting
therefor "sixty (60) days".

                  D. Subsection 8.14 of the Credit Agreement is hereby amended
by adding immediately prior to the phrase "satisfactory to Agents and Requisite
Lenders" contained therein the word "reasonably".

                  E. Subsection 8.15 of the Credit Agreement is hereby amended
by adding immediately after the phrase "on a post-Petition basis" the phrase ",
unless such Material Contract is replaced within ten (10) days after such
termination with a contract that is reasonably acceptable to the Requisite
Lenders and on substantially the same economic terms as the relevant Material
Contract being terminated".

                  F. Section 8 of the Credit Agreement is hereby amended by
deleting the reference to "reply" in clause (ii) of the penultimate sentence
thereof and substituting therefor "replevin".

     1.8 Miscellaneous Provisions.

                  A. Subsection 10.2 of the Credit Agreement is hereby amended
by deleting the reference to "all costs and expenses" in clause (viii) thereof
and substituting therefor "all the actual costs and reasonable expenses".

                  B. Subsection 10.3 of the Credit Agreement is hereby amended
by deleting the word "or" immediately prior to the reference to "the Chapter 11
Cases" contained in clause (i) of the second paragraph thereof and substituting
therefor "and".

                  C. Subsection 10.4 of the Credit Agreement is hereby amended
by adding immediately after the reference to "Loan Documents" contained therein
the phrase "(but in any event excluding any Prepetition Obligations)".

                  D. Subsection 10.9B of the Credit Agreement is hereby amended
by adding immediately after the reference to "10.5" contained therein the phrase
", 10.17".

                  E. Subsection 10.16V of the Credit Agreement is hereby amended
by deleting therefrom the phrase "OR TO BRING PROCEEDINGS AGAINST SUCH BORROWER
IN THE BANKRUPTCY COURTS OF ANY OTHER JURISDICTION".

                  F. Subsection 10.19C of the Credit Agreement is hereby amended
by deleting deleting such subsection in its entirety and substituting therefor
the following:

         "Nothing in subsection 10.19A or 10.19B shall be construed as waiving
         or otherwise prejudicing the rights of the official committee for the
         unsecured creditors appointed in the Chapter 11 Cases to challenge the
         validity, enforceability, nonavoidability, perfection or priority of
         the Liens or claims of the Prepetition Agent and/or the Prepetition
         Lenders and/or any other holder of prepetition secured indebtedness
         against one or more of the Borrowers (as defined in the Prepetition
         Credit Agreement), Grantors (as defined in the prepetition Security
         Agreement) or Subsidiary Guarantors (as defined in the Prepetition
         Credit Agreement) and their Prepetition Obligations or other
         prepetition secured indebtedness during the period prior to the date
         that is 120 days (to the extent permitted under the Final Borrowing
         Order) after the appointment of such committee.".

                  G. Subsection 10.19D of the Credit Agreement is hereby amended
by (i) deleting the reference to "Interim Borrowing Orders" contained therein
and substituting therefor "Interim Borrowing Order", and (ii) adding immediately
prior to the "." at the end thereof the phrase "(subject to the terms of the
Final Borrowing Order)".

                  H. Subsection 10.19E of the Credit Agreement is hereby amended
by deleting therefrom the phrase ", or except as permitted in the Interim
Borrowing Order or Final Borrowing Order or the Project Cash Collateral Order,
to seek use of cash collateral".

     1.9 Amendments to Schedules.

                  A. The Credit Agreement is hereby further amended by adding at
the end of Schedule 5.6 thereof the following new sentence:

                  "On April 1, 2002, Company and certain of its Subsidiaries
         commenced the Chapter 11 Cases in United States Bankruptcy Court for
         the Southern District of New York.".

                  B. The Credit Agreement is hereby further amended by deleting
Schedule 1.1B therefrom in its entirety.

     SECTION 2. APPROVAL OF MONTHLY BUDGET AND FINAL BORROWING ORDER

                  Each of the undersigned Lenders hereby (i) confirms that the
consolidated cash flow projections for Company and its Subsidiaries attached
hereto as Annex A are in form and substance satisfactory to such Lender for
purposes of clause (iv) of the definition of "Final Borrowing Order", (ii)
agrees that the Monthly Budget shall be deemed restated by such consolidated
cash flow projections for the time period covered thereby, and (iii) consents to
the Final Borrowing Order, in the form attached hereto as Annex B, and to the
amendments and modifications from the form of the Interim Borrowing Order
represented by such Final Borrowing Order.

                  SECTION 3. 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:

                  3.1 Corporate Power and Authority. Subject to compliance with
any applicable provisions of the Bankruptcy Code, 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").

                  3.2 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 Loan
Party.

                  3.3 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 Company or any of its Subsidiaries, the
Organizational Documents of Company or any of its Subsidiaries or any order,
judgment or decree of any court or other Government Authority binding on Company
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
Contractual Obligation (which Contractual Obligation is enforceable on a
post-Petition Date basis) of Company or any of its Subsidiaries or an applicable
order of the Bankruptcy Court, (iii) result in or require the creation or
imposition of any Lien upon any of the properties or assets of Company or any of
its Subsidiaries, or (iv) require any approval of stockholders or any approval
or consent of any Person under any Contractual Obligation of Company or any of
its Subsidiaries, except for the entry of the Final Borrowing Order.

                  3.4 Governmental Consents. The execution and delivery by each
Loan Party of this Amendment and the performance by each Loan Party of the
Amended Agreement do not and will not require any Governmental Authorization,
except for the entry of the Final Borrowing Order.

                  3.5 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.

                  3.6 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 Second 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.

                  3.7 Notice to Committee. Notice of this Amendment has been
given to and received by counsel to the official committee of unsecured
creditors in the Chapter 11 Cases.

                  3.8 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.

     SECTION 4. ACKNOWLEDGEMENT AND CONSENT

                  Each Borrower and Subsidiary Guarantor hereby (i) 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, (ii) ratifies and confirms the effectiveness of the First Amendment in
all respects, and (iii) confirms that the provisions of the First Amendment are
binding on each of the Borrowers.

     SECTION 5. MISCELLANEOUS

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

                  A. On and after the Second 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 Credit Agreement as amended by this Amendment.

                  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.

                  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 shall become
effective upon the first date on which all of the following conditions precedent
shall have been satisfied (the date of satisfaction of such conditions being
referred to herein as the "Second Amendment Effective Date"): (i) Borrower, each
Subsidiary Guarantor and Lenders constituting Requisite Lenders shall have each
executed a counterpart hereof; (ii) Company, Administrative Agent and
Documentation Agent shall have received written or telephonic notification of
such execution and authorization of delivery of such counterparts; (iii) the
Final Borrowing Order in substantially the form attached hereto as Annex B shall
have been entered by the Bankruptcy Court, shall be in full force and effect and
shall be unstayed by the Bankruptcy Court or any other court of competent
jurisdiction; and (iv) Company shall have paid in full all outstanding
statements for fees and expenses of O'Melveny & Myers LLP and Ernst & Young
Corporate Finance LLC, to the extent submitted to Company prior to 12:00 Noon
(New York City time) on May 6, 2002.

                [Remainder of this page intentionally left blank]




                  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
                                      ----------------------------------------
                                          Jeffrey R. Horowitz
                                          Authorized Officer


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

                                  By: /s/ JEFFREY R. HOROWITZ
                                      ----------------------------------------
                                          Jeffrey R. Horowitz
                                          Authorized Officer


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

                                  By: /s/ SCOTT G. MACKIN
                                      ----------------------------------------
                                          Scott G. Mackin
                                          Authorized Officer





SUBSIDIARY GUARANTORS:

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

                                  By: /s/ JEFFREY R. HOROWITZ
                                      ----------------------------------------
                                          Jeffrey R. Horowitz
                                          Authorized Officer





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

                                  By: /s/ SCOTT G. MACKIN
                                      ----------------------------------------
                                          Scott G. Mackin
                                          Authorized Officer





AGENTS AND LENDERS:

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

                                  By: /s/ MICHAEL R. HEREDIA
                                      ----------------------------------------
                                          Michael R. Heredia
                                          Managing Director






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

                                  By: /s/ KEITH C. BRAUN
                                      ----------------------------------------
                                          Keith C. Braun
                                          Director

                                  By: /s/ CLARK G. PETERSON
                                      ----------------------------------------
                                          Clark G. Peterson
                                          Vice President





                                  BAYERISCHE HYPO-UND VEREINSBANK AG,
                                  as a Lender

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

                                  By: /s/ SALVATORE ESPOSITO
                                      ----------------------------------------
                                       Name:   Salvatore Esposito
                                       Title:  Director





                                  BNP PARIBAS,
                                  as a Lender

                                  By: /s/ BARBARA EPPOLITO
                                      ----------------------------------------
                                       Name:   Barbara Eppolito
                                       Title:  Vice President

                                  By: /s/ ALBERT A. YOUNG, JR.
                                      ----------------------------------------
                                       Name:   Albert A. Young, Jr.
                                       Title:  Managing Director





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

                                  By: /s/ ROBERT DONOHUE
                                      ----------------------------------------
                                       Name:   Robert Donohue
                                       Title:  Senior Vice President

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





                                  HSBC BANK USA,
                                  as a Lender

                                  By: /s/ CAROL A. KRAUS
                                      ----------------------------------------
                                       Name:   Carol A. Kraus
                                       Title:  HSBC Bank USA Vice President





                                  ROYAL BANK OF SCOTLAND, plc,
                                  as a Lender

                                  By: /s/ JULIAN DAKIN
                                      ----------------------------------------
                                       Name:   Julian Dakin
                                       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





                                  UBS AG, STAMFORD BRANCH
                                  as a Lender

                                  By: /s/ KELLY SMITH
                                      ----------------------------------------
                                       Name:   Kelly Smith
                                       Title:  Director
                                               Recovery Management

                                  By: /s/ BARBARA EZELL-MCMICHAEL
                                      ----------------------------------------
                                       Name:   Barabra Ezell-McMichael
                                       Title:  Associate Director
                                               Banking Products Services US





                                  WESTDEUTSCHE LANDESBANK,
                                  GIROZENTRALE, NEW YORK BRANCH
                                  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





                                   Schedule A
                                   ----------
                                 Other Borrowers

1.       AMOR 14 Corp.
2.       Covanta Acquisition, Inc.
3.       Covanta Alexandria/Arlington, Inc.
4.       Covanta Babylon, Inc.
5.       Covanta Bessemer, Inc.
6.       Covanta Bristol, Inc.
7.       Covanta Cunningham Environmental Support, Inc.
8.       Covanta Energy Americas, Inc.
9.       Covanta Energy Construction, Inc.
10.      Covanta Energy Resource Corp.
11.      Covanta Energy Sao Jeronimo, Inc.
12.      Covanta Energy Services, Inc.
13.      Covanta Energy West, Inc.
14.      Covanta Engineering Services, Inc.
15.      Covanta Fairfax, Inc.
16.      Covanta Financial Services, Inc.
17.      Covanta Geothermal Operations Holdings, Inc.
18.      Covanta Geothermal Operations, Inc.
19.      Covanta Heber Field Energy, Inc.
20.      Covanta Hennepin Energy Resource Co., L.P.
21.      Covanta Hillsborough, Inc.
22.      Covanta Honolulu Resource Recovery Venture
23.      Covanta Huntington Limited Partnership
24.      Covanta Huntington Resource Recovery One Corp.
25.      Covanta Huntington Resource Recovery Seven Corp.
26.      Covanta Huntington, Inc.
27.      Covanta Huntsville, Inc.
28.      Covanta Hydro Energy, Inc.
29.      Covanta Hydro Operations West, Inc.
30.      Covanta Hydro Operations, Inc.
31.      Covanta Imperial Power Services, Inc.
32.      Covanta Indianapolis, Inc.
33.      Covanta Kent, Inc.
34.      Covanta Key Largo, Inc.
35.      Covanta Lake, Inc.
36.      Covanta Lancaster, Inc.
37.      Covanta Lee, Inc.
38.      Covanta Long Island, Inc.
39.      Covanta Marion Land Corp.
40.      Covanta Marion, Inc.
41.      Covanta Mid-Conn., Inc.
42.      Covanta Montgomery, Inc.
43.      Covanta New Martinsville Hydro-Operations Corp.
44.      Covanta Northwest Puerto Rico, Inc.
45.      Covanta Oahu Waste Energy Recovery, Inc.
46.      Covanta Oil & Gas, Inc.
47.      Covanta Onondaga Five Corp.
48.      Covanta Onondaga Four Corp.
49.      Covanta Onondaga Limited Partnership
50.      Covanta Onondaga Operations, Inc.
51.      Covanta Onondaga Three Corp.
52.      Covanta Onondaga Two Corp.
53.      Covanta Onondaga, Inc.
54.      Ogden Services Corporation
55.      Covanta Operations of Union LLC
56.      Covanta OPW Associates, Inc.
57.      Covanta OPWH, Inc.
58.      Covanta Pasco, Inc.
59.      Covanta Plant Services of New Jersey, Inc.
60.      Covanta Power Development of Bolivia, Inc.
61.      Covanta Power Development, Inc.
62.      Covanta Power Equity Corp.
63.      Covanta Projects of Hawaii, Inc.
64.      Covanta Projects of Wallingford, LP
65.      Covanta RRS Holdings, Inc.
66.      Covanta Secure Services USA, Inc.
67.      Covanta Secure Services, Inc.
68.      Covanta SIGC Energy II, Inc.
69.      Covanta SIGC Energy, Inc.
70.      Covanta SIGC Geothermal Operations, Inc.
71.      Covanta Stanislaus, Inc.
72.      Covanta Systems, Inc.
73.      Covanta Tampa Bay, Inc.
74.      Covanta Tulsa, Inc.
75.      Covanta Union, Inc.
76.      Covanta Wallingford Associates, Inc.
77.      Covanta Warren Energy Resources Co., LP
78.      Covanta Waste Solutions, Inc.
79.      Covanta Waste to Energy of Italy, Inc.
80.      Covanta Waste to Energy, Inc.
81.      Covanta Water Holdings, Inc.
82.      Covanta Water Systems, Inc.
83.      Covanta Water Treatment Services, Inc.
84.      DSS Environmental, Inc.
85.      ERC Energy II, Inc.
86.      ERC Energy, Inc.
87.      Heber Field Company
88.      Heber Field Energy II, Inc.
89.      Heber Geothermal Company
90.      Heber Loan Partners
91.      J.R. Jacks Construction Corp.
92.      Ogden Constructors, Inc.
93.      Ogden Environmental & Energy Services Co., Inc.
94.      OPI Quezon, Inc.
95.      Second Imperial Geothermal Co., L.P.
96.      Three Mountain Operations, Inc.
97.      Three Mountain Power LLC






                                   Schedule B
                                   ----------
                                 Other Borrowers

1.       Ogden Facility Management Corporation of Anaheim
2.       LaGuardia Fuel Facilities Corp.
3.       Lenzar Electro-Optics, Inc.
4.       Newark Automotive Fuel Facilities Corporation, Inc.
5.       Ogden Allied Abatement & Decontamination Service, Inc.
6.       Ogden Allied Maintenance Corp.
7.       Ogden Allied Payroll Services, Inc.
8.       Ogden Attractions, Inc.
9.       Ogden Aviation Distributing Corp.
10.      Ogden Aviation Fueling Company of Virginia, Inc.
11.      Ogden Aviation Service Company of Colorado, Inc.
12.      Ogden Aviation Service Company of New Jersey, Inc.
13.      Ogden Aviation Service Company of New York, Inc.
14.      Ogden Aviation Service Company of Pennsylvania, Inc.
15.      Ogden Aviation Service International Corporation
16.      Ogden Aviation, Inc.
17.      Ogden Cargo Spain, Inc.
18.      Ogden Central and South America, Inc.
19.      Ogden Facility Holdings, Inc.
20.      Ogden Film and Theatre, Inc.
21.      Ogden Firehole Entertainment Corp.
22.      Ogden International Europe, Inc.
23.      Ogden New York Services, Inc.
24.      Ogden Support Services, Inc.
25.      PA Aviation Fuel Holdings, Inc.
26.      Philadelphia Fuel Facilities Corporation





                                   Schedule C
                                   ----------
                              Subsidiary Guarantors

1.       Covanta Energy Group, Inc.
2.       Covanta Energy International, Inc.
3.       Covanta Equity of Stanislaus, Inc.
4.       Covanta Haverhill Properties, Inc.
5.       Covanta Haverhill, Inc.
6.       Covanta Omega Lease, Inc.
7.       Covanta Power International Holdings, Inc.
8.       Covanta Projects, Inc.
9.       Haverhill Power, Inc.
10.      LMI, Inc.
11.      Michigan Waste Energy, Inc.
12.      OFS Equity of Alexandria/Arlington, Inc.
13.      OFS Equity of Babylon, Inc.
14.      OFS Equity of Delaware, Inc.
15.      OFS Equity of Huntington, Inc.
16.      OFS Equity of Indianapolis, Inc.
17.      OFS Equity of Stanislaus, Inc.
18.      Ogden Management Services, Inc.
19.      Covanta Equity of Alexandria/Arlington, Inc.






                                  Schedule D
                                  ----------
                              Subsidiary Guarantors

1.       Ogden Technology Services Corporation
2.       Ogden Transition Corporation







                                     ANNEX A

                       Consolidated Cash Flow Projections
                       ----------------------------------



See attached.






                                     ANNEX B

                          Form of Final Borrowing Order
                          -----------------------------



See attached.