Document:

EXHIBIT 10.1(g)
                                                                 ---------------

                                 FIFTH AMENDMENT
                               TO REVOLVING CREDIT
                           AND PARTICIPATION AGREEMENT

                  This FIFTH AMENDMENT TO REVOLVING CREDIT AND PARTICIPATION
AGREEMENT (this "Fifth Amendment") is dated as of February 21, 2002 and entered
into by and among COVANTA ENERGY CORPORATION, a Delaware corporation
("Company"), and THE SUBSIDIARIES LISTED ON THE SIGNATURE PAGES HEREOF AS
BORROWERS (collectively, Company and such Subsidiaries of Company are
"Borrowers" and each a "Borrower"), the Loan Parties listed on the signature
pages hereof, the financial institutions parties hereto (each a "Lender" and
collectively, the "Lenders"), 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
Lenders listed therein 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.

                                    RECITALS

                  WHEREAS, Borrowers and Lenders desire to amend the Credit
Agreement to (i) to permit Borrower to sell substantially all of the assets of
The Metropolitan Entertainment Co., Inc. to Metropolitan Entertainment LLC for
consideration consisting of cash, assumption of certain liabilities and a 10%
equity interest in the buyer; (ii) amend certain items in the Weekly Budget; and
(iii) make certain other amendments as set forth below, and Lenders desire to
consent to amending a certain draw condition in the Pooled Letter of Credit
issued by Fleet National Bank relating to the Senators Hockey Club, and to
amending the put agreement related thereto, 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 AND LIMITED
                             CONSENT

                  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:

                  "Metropolitan Buyer" means Metropolitan Entertainment LLC, a
         Delaware limited liability company.

                  "Metropolitan Entertainment" means The Metropolitan
         Entertainment Co., Inc., a New Jersey corporation, and any successor
         thereto.

                  "Metropolitan Sale" means the sale of substantially all assets
         of Metropolitan Entertainment to Metropolitan Buyer in accordance with
         the Metropolitan Sale Agreement.

                  "Metropolitan Sale Agreement" means that certain Asset
         Purchase Agreement dated as of February 7, 2002, by and among Company,
         Metropolitan Entertainment and Metropolitan Buyer, in the form
         delivered to Agents on or prior to February 8, 2002, as it may
         thereafter be amended, supplemented or otherwise modified from time to
         time; provided that no material amendment, supplement or modification
         to the Metropolitan Sale Agreement that is adverse to Company and its
         Subsidiaries or to the Lenders shall be permitted without the approval
         of Agents.

                  1.2 Provision Relating to Investments.

                  Subsection 7.3 of the Credit Agreement is hereby amended by
(i) deleting the word "and" at the end of clause (xvi) thereof, (ii) deleting
the "." at the end of clause (xvii) thereof and substituting therefor "; and"
and (iii) adding the following new clause (xviii) immediately prior to the last
paragraph of such subsection:

                  "(xviii) Company and its Subsidiaries may acquire and hold 10%
         of the equity of Metropolitan Buyer to the extent acquired in
         connection with the Metropolitan Sale; provided that Company and its
         Subsidiaries shall not have or incur any Contractual Obligation to make
         any further Investment in Metropolitan Buyer."

                  1.3 Provision Relating to Asset Sales.

                  Subsection 7.7(vii) of the Credit Agreement is hereby amended
by adding at the end thereof, the following new proviso:

         "provided further, however, that a portion of the consideration for the
         Metropolitan Sale may be 10% of the nonvoting equity of Metropolitan
         Buyer, so long as Metropolitan Entertainment receives cash
         consideration (after payments to minority shareholders of Metropolitan
         Entertainment (including under settlement agreements) and costs and
         expenses related to the sale) of not less than $5,000,000 (subject to
         adjustment for working capital in accordance with the Metropolitan Sale
         Agreement) in accordance with the terms of the Metropolitan Sale
         Agreement;"

                  1.4 Provision Relating to the Weekly Budget.

                  Subsection 7.16A(a) of the Credit Agreement is hereby amended
by (i) deleting the word "or" immediately after the word "Taxes" and
substituting therefor "," and (ii) adding immediately after the reference to
"IPP Identified" the following:

                  "or `Interest on Funded Recourse Debt'".

                  1.5 Provision Relating to Schedules.

                  Schedule 6.20 of the Credit Agreement is hereby amended by (i)
deleting the reference to "(4,865)" in the "Interest on Funded Recourse Debt"
line item set forth in the Weekly Budget for the week ending on March 8, 2002,
and substituting therefor "(240)"; and (ii) deleting the reference to "(262)" in
the "Interest on Funded Recourse Debt" line item set forth in the Weekly Budget
for the week ending on March 29, 2002, and substituting therefor "(4,887)".

                  1.6 Limited Consent.

                  A. Pursuant to subsections 2.11B(i) and 2.11C(i) of the Credit
Agreement, the undersigned Agents and Lenders hereby consent to amendments of
(i) the Pooled Letter of Credit issued by Fleet National Bank relating to the
Senators Hockey Club (the "Class II DPS Support L/C") and (ii) the put agreement
for the Opt-Out Facility which the Class II DPS Support L/C supports (the "Class
II DPS Put Agreement"), in each case for the purposes of, among other things,
(x) removing as a condition for drawing on the Class II DPS Support L/C the
requirement that the administrative agent with respect thereto shall have issued
a Put Notice (as defined in the Class II DPS Put Agreement) under and in
accordance with the Class II DPS Put Agreement and (y) including as a condition
for drawing on the Class II DPS Support L/C that the beneficiary/administrative
agent with respect thereto shall have undertaken to the issuer thereof to
deliver to Collateral Agent as soon as reasonably possible after receipt of the
amount drawn either the certificates representing the Class II preference shares
(which have been issued by a wholly-owned subsidiary of the Senators Hockey
Club), duly endorsed in blank for transfer, or, if such certificates are lost, a
lost share certificate indemnity in lieu thereof (together with an instrument of
transfer for such shares, duly endorsed in blank). Such amendments
(collectively, the "Class II DPS Amendments") shall be in the forms attached
hereto as Annex A and Annex B. The undersigned hereby acknowledge and agree that
the Class II DPS Support L/C as amended by the Class II DPS Amendments shall
constitute a Pooled Letter of Credit, and that the Class II DPS Put Agreement as
amended by the Class II DPS Amendments shall constitute an Opt-Out Facility
Document.

                  B. The limited consent set forth above shall be limited
precisely as written, and nothing herein shall be deemed to (a) constitute a
consent with respect to (i) subsection 2.11B(i) or 2.11C(i) of the Credit
Agreement in any other instance or (ii) any other term, provision or condition
of the Credit Agreement, or (b) prejudice any right or remedy that any Agent or
any Lender may now have or may have in the future under or in connection with
the Credit Agreement or the Amended Agreement (as defined below).

                  SECTION 2. BORROWER'S REPRESENTATIONS AND WARRANTIES

                  In order to induce the Lenders to enter into this Fifth
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 Fifth Amendment and
to carry out the transactions contemplated by, and perform its obligations
under, the Credit Agreement as amended by this Fifth Amendment (the "Amended
Agreement").

                  2.2 Authorization of Agreements. The execution and delivery of
this Fifth 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 Fifth 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 Fifth 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 Fifth Amendment has been duly
executed and delivered by each Loan Party, and each of this Fifth 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 Fifth 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.

                  2.8 Class II DPS Amendments. Upon execution and delivery by
Company of the Class II DPS Amendments, such execution and delivery (i) shall be
within the corporate powers of Company and shall have been duly authorized by
all necessary corporate action on the part of Company, (ii) shall not require
any approval, consent of, or filing with, any governmental agency or authority,
or any other person, association or entity (including, without limitation, the
National Hockey League), (iii) shall not violate any provisions of any order,
writ, judgment, injunction, decree, determination or award presently in effect
in which Company is named, or any provision of the charter documents or by-laws
of Company, (iv) shall not result in any breach of or constitute a default under
any agreement or instrument to which Company is a party or to which it or any of
its properties are bound, including without limitation any indenture, loan or
credit agreement, lease, debt instrument or mortgage, and (v) shall not result
in or require the creation or imposition of any mortgage, deed of trust, pledge
or encumbrance of any nature upon any of the assets or properties of Company.
The Class II DPS Support L/C, as amended by the Class II DPS Amendments, shall
continue to satisfy the requirements of the Class II DPS Put Agreement.

                  SECTION 3. ACKNOWLEDGEMENT AND CONSENT

                  Each Borrower and Subsidiary Guarantor hereby acknowledges
that such Loan Party has read this Fifth Amendment and consents to the terms
hereof and further hereby confirms and agrees that, notwithstanding the
effectiveness of this Fifth 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 4. MISCELLANEOUS

                  4.1 Release. Each Borrower and Subsidiary Guarantor, on behalf
of itself, and each of its Subsidiaries (collectively, the "Releasors") hereby
releases, remises, acquits and forever discharges Agents, each Lender (in its
capacity as a Lender hereunder and as a lender, collateral agent, depository or
letter of credit issuer and in any other capacity under or in connection with
any Pooled Facility or Opt-Out Facility), each Existing Opt-Out Facility Agent
and each Existing Pooled Facility Agent and each of their respective employees,
agents, representatives, consultants, attorneys, fiduciaries, servants,
officers, directors, partners, predecessors, successors and assigns, subsidiary
corporations, parent corporations, related corporate divisions, participants and
assigns (all of the foregoing hereinafter called the "Released Parties"), from
any and all actions and causes of action, judgments, executions, suits, debts,
claims, demands, liabilities, obligations, setoffs, recoupments, counterclaims,
defenses, damages and expenses of any and every character, known or unknown,
suspected or unsuspected, direct and/or indirect, at law or in equity, of
whatsoever kind or nature, whether heretofore or hereafter arising, for or
because of any matter or things done, omitted or suffered to be done by any of
the Released Parties prior to and including the date of execution hereof, and in
any way directly or indirectly arising out of or in any way connected to this
Fifth Amendment or the Amended Agreement (all of the foregoing hereinafter
called the "Released Matters"). Each Releasor acknowledges that the agreements
in this Section are intended to be in full satisfaction of all or any alleged
injuries or damages suffered or incurred by such Releasor arising in connection
with the Released Matters and constitute a complete waiver of any right of
setoff or recoupment, counterclaim or defense of any nature whatsoever which
arose prior to the date hereof to payment or performance of the Obligations
and/or Opt-Out Obligations. Each Releasor represents and warrants that it has no
knowledge of any claim by it against the Released Parties or of any facts, or
acts or omissions of the Released Parties which on the date hereof would be the
basis of a claim by the Releasors against the Released Parties which is not
released hereby. Each Releasor represents and warrants that it has not purported
to transfer, assign, pledge or otherwise convey any of its right, title or
interest in any Released Matter to any other person or entity and that the
foregoing constitutes a full and complete release of all Released Matters.
Releasors have granted this release freely, and voluntarily and without duress.

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

                  A. On and after the Fifth 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 Fifth 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 Fifth
Amendment shall not, except as expressly provided herein, 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 Fifth Amendment shall be an Event of Default under the Credit
Agreement.

                  4.3 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 Fifth Amendment and
the documents and transactions contemplated hereby shall be for the account of
Borrowers.

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

                  4.5 Applicable Law. THIS FIFTH 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.

                  4.6 Counterparts; Effectiveness. This Fifth 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 Fifth Amendment shall become
effective upon (i) the execution of a counterpart hereof by each Borrower, each
Subsidiary Guarantor and Lenders constituting Requisite Lenders, (ii) receipt by
each Borrower, Administrative Agent and Documentation Agent of written or
telephonic notification of such execution and authorization of delivery thereof,
and (iii) payment in full by Borrowers of all outstanding statements of
O'Melveny & Myers LLP and Ernst & Young Corporate Finance LLC and all
outstanding statements for reasonable fees, expenses and disbursements of
counsel to each of the Lenders that are, in each case, received by Company prior
to the date hereof (the date of satisfaction of such conditions being referred
to herein as the "Fifth Amendment Effective Date").

                [Remainder of this page intentionally left blank]

<PAGE>

                  IN WITNESS WHEREOF, the parties hereto have caused this Fifth
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:
                                       Title:

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

                                   By: /s/ Jeffery R. Horowitz
                                       -----------------------
                                       Name:
                                       Title:

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

                                   By: /s/ Scott G. Mackin
                                       -------------------
                                       Name:
                                       Title:

<PAGE>

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:
                                       Title:

<PAGE>

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

                                   By: /s/ Mark B. Cohen
                                       -----------------
                                   Name:  Mark B. Cohen
                                   Title: Managing Director

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

<PAGE>

                                   ABN AMRO BANK N.V.,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   BANK OF MONTREAL,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   BANK OF TOKYO-MITSUBISHI (CANADA),
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   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

<PAGE>

                                   BNP PARIBAS,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   BRYDEN MANAGEMENT CORPORATION IV,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   CANADIAN IMPERIAL BANK OF COMMERCE,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   CLARICA LIFE INSURANCE COMPANY,
                                   as a Lender

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

<PAGE>

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

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

                                   By: /s/ Terrence P. Sweeney
                                       -----------------------
                                       Name:  Terrence P. Sweeney
                                       Title: Senior Vice President

<PAGE>

                                   HSBC BANK CANADA
                                   as successor to
                                   CREDIT LYONNAIS CANADA,
                                   as a Lender

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

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

<PAGE>

                                   CREDIT LYONNAIS NEW YORK BRANCH,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   CREDIT SUISSE FIRST BOSTON,
                                   as a Lender

                                   By: /s/ Jan Kofol
                                       -------------
                                       Name:  Jan Kofol
                                       Title: Director

                                   By: /s/ Sharon M. Meadows
                                       ---------------------
                                       Name:  Sharon M. Meadows
                                       Title: Managing Director

<PAGE>

                                   DRESDNER BANK AG, GRAND CAYMAN BRANCH
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   DRESDNER BANK CANADA,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   FIRST UNION NATIONAL BANK,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   FLEET NATIONAL BANK,
                                   as a Lender

                                   By: /s/ Michael F. O'Neill
                                       ----------------------
                                       Name:  Michael F. O'Neill
                                       Title: Senior Vice President

<PAGE>

                                   HSBC BANK CANADA,
                                   as a Lender

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

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

<PAGE>

                                   HSBC BANK USA,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   IIB BANK [IFSC BRANCH],
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   KBC BANK N.V.,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   LANDESBANK HESSEN-THURINGEN GIROZENTRALE,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   NATIONAL WESTMINSTER BANK PLC,  New York
                                   and/or Nassau Branch
                                   as a Lender

                                   By: /s/ Graeme Hunter
                                       -----------------
                                       Name:  Graeme Hunter
                                       Title: Vice President

<PAGE>

                                   ROYAL BANK OF SCOTLAND PLC,
                                   as a Lender

                                   By: /s/ Graeme Hunter
                                       -----------------
                                       Name:  Graeme Hunter
                                       Title: Vice President

<PAGE>

                                   S.C. STORMONT CORPORATION
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   SANPAOLO IMI S.p.A.,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   SOCIETE GENERALE,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   SUNTRUST BANK,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   THE BANK OF NEW YORK,
                                   as a Lender

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

<PAGE>

                                   THE BANK OF NOVA SCOTIA,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   JPMORGAN CHASE BANK
                                   (formerly The Chase Manhattan Bank),
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   THE DAI-ICHI KANGYO BANK, LIMITED,
                                   Los Angeles Agency
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   THE DAI-ICHI KANGYO BANK, LIMITED
                                   NEW YORK BRANCH,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   THE FUJI BANK, LIMITED,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   THE HUNTINGTON NATIONAL BANK,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   THE INDUSTRIAL BANK OF JAPAN TRUST
                                   COMPANY,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   SUMITOMO MITSUI BANKING CORPORATION
                                   OF CANADA,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   THE SUMITOMO TRUST & BANKING CO., LTD.
                                   NY BRANCH,
                                   as a Lender

                                   By: /s/ Elizabeth A. Quirk
                                       ----------------------
                                       Name:  Elizabeth A. Quirk
                                       Title: Vice President

<PAGE>

                                   THE TORONTO-DOMINION BANK,
                                   as a Lender

                                   By: /s/ Lily Goldina
                                       ----------------
                                       Name:  Lily Goldina
                                       Title: Vice President

<PAGE>

                                   THE TORONTO-DOMINION BANK,
                                   as a Lender

                                   By: /s/ Mark A. Baird
                                       -----------------
                                       Name:  Mark A. Baird
                                       Title: Manager Credit Administration

<PAGE>

                                   UBS AG,
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   UFJ BANK LIMITED, NEW YORK BRANCH
                                   (formerly The Sanwa Bank, Limited, New York
                                   Branch and The Tokai Bank, Limited - New York
                                   Branch), as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   U.S. BANK NATIONAL ASSOCIATION
                                   (formerly known as Firstar Bank, N.A.),
                                   as a Lender

                                   By:
                                       ----------------------------------
                                       Name:
                                       Title:

<PAGE>

                                   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

<PAGE>

                                                                      Schedule A

                                 OTHER BORROWERS

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

<PAGE>

                                                                      Schedule B

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

<PAGE>

                                     Annex A

                                  See attached.

   <PAGE>

                                     Annex B

                                  See attached.EXHIBIT 10.1(h)
                                                                 ---------------

                       SIXTH AMENDMENT TO CREDIT AGREEMENT
                           Dated as of March 12, 2002

          Reference is made to that certain Revolving Credit and Participation
Agreement dated as of March 14, 2001 (said Agreement, as amended to the date
hereof, being the "Credit Agreement", the terms defined therein being used in
this Sixth Amendment (this "Amendment") as therein defined), among Covanta
Energy Corporation ("Company"), the Subsidiaries of Company listed on the
signature pages thereof (collectively, Company and such Subsidiaries are
referred to herein as "Borrowers"), the financial institutions listed on the
signature pages thereof, Administrative Agent and Documentation Agent. Borrowers
and the undersigned Agents and Lenders hereby agree as follows:

          Section 10 of the Credit Agreement is hereby amended by adding at the
end thereof the following new subsection 10.27:

          "10.27 Cash Withdrawals During Designated Period.

               Anything contained in this Agreement to the contrary
          notwithstanding, solely during the Designated Period (as defined
          below): (i) the conditions precedent set forth in subsection 4.4C(iv)
          shall be deemed waived; (ii) the conditions precedent set forth in
          subsections 4.4C(ii-iii) and any required representation in subsection
          5.8A or any Notice of Withdrawal, to the extent such conditions cannot
          be satisfied or such representation cannot be made solely as a result
          of the Designated Payment Defaults (as defined below), shall be deemed
          waived; (iii) subsection 4.4C shall be deemed modified to give effect
          to the waivers described in the preceding clauses (i) and (ii); (iv)
          the requirements of subsection 7.16A(e) for the week ending March 15,
          2002 shall be deemed waived, provided that the "Ending Cash Balance"
          as of March 15, 2002 shall be $23,000,000; (v) the "Ending Cash
          Balance" for purposes of subsection 7.16A(e) for the week ending March
          22, 2002 shall be $19,000,000; (vi) Borrowers shall be permitted to
          deliver a Notice of Withdrawal at any time prior to 4:00 p.m. (New
          York City time) on any proposed Withdrawal Date for a withdrawal from
          the Cash Collateral Account on such date; and (vii) no Mandatory
          Payment shall be required to be made pursuant to the first sentence of
          subsection 2.6A(iii)(e). As used herein, the "Designated Period" means
          the period from March 12, 2002 through and including March 22, 2002;
          provided that such Designated Period shall end at such time as any
          Potential Event of Default or Event of Default (other than the
          Potential Events of Default and Events of Default arising solely from
          Borrowers' (x) failure to reimburse an honored drawing under the
          Pooled Letter of Credit issued by Fleet National Bank relating to the
          Senators Hockey Club and the resulting acquisition of preference
          shares, and (y) failure to pay interest and fees owing during the
          Designated Period with respect to the Obligations (collectively, the
          "Designated Payment Defaults")) shall have occurred and be
          continuing."

          On and after the Effective Date (as defined below), 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. 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. The execution, delivery and performance of this Amendment shall not,
except as expressly provided herein, 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. Each Borrower
and Subsidiary Guarantor hereby acknowledges that it 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 it is a party shall not be
impaired and each of the Loan Documents to which it is a party are, and shall
continue to be, in full force and effect and are hereby confirmed and ratified
in all respects.

          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. This Amendment shall
become effective upon the execution of counterparts hereof by Loan Parties,
Agents and Supermajority Lenders and receipt by Company and Administrative Agent
of written or telephonic notification of such execution and authorization of
delivery thereof (the date of such effectiveness being the "Effective Date").

          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.

                  IN WITNESS WHEREOF, the each of the undersigned has caused
this Amendment to be duly executed and delivered by its officer thereunto duly
authorized as of the date first written above.

                           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/ Scott G. Mackin
                                -------------------
                                 Name: Scott G. Mackin
                                 Title: Authorized Officer

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                   BANK OF AMERICA NA

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

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                       Deutsche Bank AG, New York Branch

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

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

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                         ABNAMRO BANK N.V.

                                         By:  /s/ Neil J. Bivona
                                              ------------------
                                               Name:  Neil J. Bivona
                                               Title: Group Vice President

                                         By:  /s/ William J. Fitzgerald
                                              -------------------------
                                               Name:  William J. Fitzgerald
                                               Title:     Senior Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                            Banc of America Securities
                                            LLC as Agent for Bank of
                                            America, N.A.

                                            By:  /s/ Peter T. Santry
                                                 -------------------
                                                 Name: Peter T. Santry

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                     BANK OF MONTREAL

                                                     By:  /s/ Heather L. Turf
                                                          -------------------
                                                          Name:  Heather L. Turf
                                                          Title: Director

<PAGE>

                  IN WITNESS WHEREOF, the undersigned Lender has caused this
Amendment to be duly executed and delivered by its officer thereunto duly
authorized as of the date first written above.

                                            BAYERISCHE HYPO-UND VEREINSBANK AG

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

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

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                          CANADIAN IMPERIAL BANK OF COMMERCE

                                          By:  /s/ D.K. Smith
                                               --------------
                                               Name:  D.K. Smith
                                               Title: Managing Director

                                          By:  /s/ R.M. Callander
                                               ------------------
                                                Name:  R.M. Callander
                                                Title: Director

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                   CLARICA LIFE INSURANCE CO.

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

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                          Commerzbank AG,
                                          New York and Grand Cayman Branches

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

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

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                         First Union National Bank

                                         By:  /s/ Joel Thomas
                                              ---------------
                                              Name:  Joel Thomas
                                              Title: Vice President

<PAGE>

                  IN WITNESS WHEREOF, the undersigned Lender has caused this
Amendment to be duly executed and delivered by its officer thereunto duly
authorized as of the date first written above.

                                              FLEET NATIONAL BANK

                                              By:  /s/ Michael F. O'Neill
                                                   ----------------------
                                                   Name:  Michael F. O'Neill
                                                   Title: Senior Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                     HSBC BANK CANADA

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

                                     By:  /s/ R.S. MacKenzie
                                          ------------------
                                           Name:  R.S. MacKenzie
                                           Title: Assistant Vice President

<PAGE>

                  IN WITNESS WHEREOF, the undersigned Lender has caused this
Amendment to be duly executed and delivered by its officer thereunto duly
authorized as of the date first written above.

                                       HSBC BANK CANADA
                                       as successor company to
                                       Credit Lyonnais Canada

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

                                       By:  /s/ R.S. MacKenzie
                                            ------------------
                                             Name:  R.S. MacKenzie
                                             Title: Assistant Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                     HSBC BANK USA

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

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                             THE HUNTINGTON NATIONAL BANK

                                             By:  /s/ Thomas F. Krusnel
                                                  ---------------------
                                                   Name:  Thomas F. Krusnel
                                                   Title: Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                     JP Morgan Chase Bank

                                                     By:  /s/ Michael Lancia
                                                          ------------------
                                                          Name:  Michael Lancia
                                                          Title: Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                        LANDESBANK HESSEN-THURINGEN GIROZENTRALE

                                     By:  /s/ Michael D. Novack
                                          ---------------------
                                          Name:  Michael D. Novack
                                          Title: VP

                                     By:  /s/ David A. Leech
                                          ------------------
                                          Name:  David A. Leech
                                          Title: Vice President
                                                 Corporate Finance Division
                                                 Structured Finance Dept.

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                   NATIONAL WESTMINSTER BANK plc

                                                   By:  /s/ Julian Dakin
                                                        ----------------
                                                        Name:  Julian Dakin
                                                        Title: Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                     ROYAL BANK OF SCOTLAND plc

                                                     By:  /s/ Julian Dakin
                                                          ----------------
                                                          Name:  Julian Dakin
                                                          Title: Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                     SANPAOLO IMI S.p.A.

                                                     By:  /s/ Carlo Persico
                                                          -----------------
                                                           Name:  Carlo Persico
                                                           Title: G.M.

                                                     By:  /s/ Robert Wurster
                                                          -------------------
                                                           Name:  Robert Wurster
                                                           Title: SVP

<PAGE>

                  IN WITNESS WHEREOF, the undersigned Lender has caused this
Amendment to be duly executed and delivered by its officer thereunto duly
authorized as of the date first written above.

                                               THE BANK OF NEW YORK

                                               By:  /s/ Julie B. Fellosco
                                                    ---------------------
                                                    Name:  Julie B. Fellosco
                                                    Title: Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                   The Bank of Nova Scotia

                                   By:  /s/ Joseph J. Farricielli, Jr.
                                        ------------------------------
                                        Name:  Joseph J. Farricielli, Jr.
                                        Title: Director

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                         The Sumitomo Trust & Banking Co., Ltd.,
                                         NY Branch

                                         By:  /s/ Elizabeth A. Quirk
                                              ----------------------
                                              Name:  Elizabeth A. Quirk
                                              Title:    Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                     THE TORONTO DOMINION BANK

                                                     By:  /s/ Mark A. Baird
                                                          -----------------
                                                          Name:  Mark A. Baird
                                                          Title: Mgr. CR Admin.

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                                       THE TORONTO-DOMINION BANK

                                                      By: /s/ L. Godina
                                                          -------------
                                                          Name:  L. Godina
                                                          Title: Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                               U.S. BANK, N.A.

                                               By:  /s/ Alan R. Milster
                                                    -------------------
                                                     Name:  Alan R. Milster
                                                     Title: Vice President

<PAGE>

          IN WITNESS WHEREOF, the undersigned Lender has caused this Amendment
to be duly executed and delivered by its officer thereunto duly authorized as of
the date first written above.

                                         Westdeutsche Landesbank Girozentrale,
                                         New York Branch

                                         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

<PAGE>

                                                                      Schedule A

                                 OTHER BORROWERS

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

<PAGE>

                                                                      Schedule B

                              SUBSIDIARY GUARANTORS

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

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