UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 12b-25

                           NOTIFICATION OF LATE FILING
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                                                            SEC FILE NUMBER
                                                                 1-3122
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                                                              CUSIP NUMBER
                                                                676346109
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(Check One): |_| Form 10-K |_| Form 20-F |X| Form 11-K |_| Form 10-Q
|_| Form N-SAR

               For Period Ended: December 31, 2001
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               [  ] Transition Report on Form 10-K
               [  ] Transition Report on Form 20-F
               [  ] Transition Report on Form 11-K
               [  ] Transition Report on Form 10-Q
               [  ] Transition Report on Form N-SAR
               For the Transition Period Ended:_________________________________

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  Read Instruction (on back page) Before Preparing Form. Please Print or Type.
    Nothing in this form shall be construed to imply that the commission has
                   verified any information contained herein.
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If the notification relates to a portion of the filing checked above, identify
the Item(s) to which the notification relates:
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PART I -- REGISTRANT INFORMATION

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Full Name of Registrant:

                              The Ogden 401(k) Plan
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Former Name if Applicable:

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Address of Principal Executive Office (Street and Number)

                                  40 Lane Road
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City, State and Zip Code

                               Fairfield, NJ 07004
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PART II -- RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate)

[X]  (a)  The reasons described in reasonable detail in Part III of this
          form could not be eliminated without unreasonable effort or expense;

[X]  (b)  The subject annual report, semi-annual report, transition report
          on Form 10-K, Form 20-F, 11-K or Form N-SAR, or portion thereof, will
          be filed on or before the fifteenth calendar day following the
          prescribed due date; or the subject quarterly report or transition
          report on Form 10-Q, or portion thereof will be filed on or before the
          fifth calendar day following the prescribed due date; and

[X]  (c)  The accountant's statement or other exhibit required by Rule
          12b-25(c) has been attached if applicable.

PART III -- NARRATIVE

State below in reasonable detail the reasons why Form 10-K and Form 10-KSB,
11-K, 10-Q and Form 10-QSB, -SAR, or the transition report or portion thereof
could not be filed within the prescribed time period.

The Ogden 401(k) Plan is unable to file its Annual Report on Form 11-K within
the prescribed time period without unreasonable effort and expense due to delays
relating to Covanta Energy Corporation's (the "Company") increased reporting
requirements as a result of the Company's recent Chapter 11 filings in the
United States Bankruptcy Court for the Southern District of New York.


PART IV -- OTHER INFORMATION

(1)  Name and telephone number of person to contact in regard to this
notification

      William J. Keneally               (973)                    882-7070
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            (Name)                   (Area Code)            (Telephone Number)


(2) Have all other periodic reports required under Section 13 or 15(d) of the
Securities Exchange Act of 1934 or section 30 of the Investment Company Act of
1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such report(s) been filed? If answer is no,
identify report(s).

                                 |X| Yes |_| No

(3) Is it anticipated that any significant change in results of operations from
the corresponding period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof?

                                 |_| Yes |X| No

If so, attach an explanation of the anticipated change, both narratively and
quantitatively, and, if appropriate, state the reasons why a reasonable estimate
of the results cannot be made.


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                              The Ogden 401(k) Plan
                  (Name of Registrant as specified in charter)

has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.


Date:  June 28, 2002                        By: /s/ William J. Keneally
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                                                William J. Keneally
                                                Vice President and
                                                Chief Accounting Officer
                                                Covanta Energy Corporation