UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C.  20549
                                  SCHEDULE l3D
                    Under the Securities Exchange Act of 1934
                               (Amendment No. 7)*


                               CLEAN HARBORS, INC.
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                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    184496107
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                                 (CUSIP Number)
                                                     with a copy to:
     Stephen Feinberg                                Robert G. Minion, Esq.
     299 Park Avenue                                 Lowenstein Sandler PC
     22nd Floor                                      65 Livingston Avenue
     New York, New York  10171                       Roseland, New Jersey  07068
     (212) 421-2600                                  (973) 597-2424
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                 (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                October 12, 2004
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             (Date of Event which Requires Filing of this Statement)


If the filing person has previously  filed a statement on Schedule l3G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of Sections 240.13d-1(e),  240.13d-1(f) or 240.13d-1(g),  check
the following box. [ ]

Note:  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits.  See Section 240.13d-7 for other
parties to whom copies are to be sent.

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).





Cusip No.    184496107
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  1)   Names of Reporting Persons.  I.R.S. Identification Nos. of  above persons
       (entities only):

                                Stephen Feinberg
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  2)   Check the Appropriate Box if a Member of a Group (See Instructions):
             (a)                    Not
             (b)                 Applicable
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  3)   SEC Use Only

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  4)   Source of Funds (See Instructions):  WC
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  5)   Check if  Disclosure of  Legal Proceedings is  Required Pursuant to Items
       2(d) or 2(e):         Not Applicable
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  6)   Citizenship or Place of Organization:    United States
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        Number of                        7) Sole Voting Power:            *
                                            ------------------------------------
        Shares Beneficially              8) Shared Voting Power:          *
                                            ------------------------------------
        Owned by
        Each Reporting                   9) Sole Dispositive Power:       *
                                            ------------------------------------
        Person With                     10) Shared Dispositive Power:     *
                                            ------------------------------------
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  11)  Aggregate Amount Beneficially Owned by Each Reporting Person:
                   2,570,650*
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  12)  Check  if the Aggregate Amount  in Row (11) Excludes Certain Shares  (See
       Instructions):      Not Applicable
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  13)  Percent of Class Represented by Amount in Row (11):     16.4%*
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  14)  Type of Reporting Person (See Instructions):       IA, IN
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*  Cerberus CH LLC, a Delaware limited liability company ("Cerberus CH"), is the
holder of warrants to purchase an  aggregate  of  1,609,250  shares  (subject to
adjustments in certain circumstances) of common stock, par value $0.01 per share
(the  "Shares"),  of Clean  Harbors,  Inc.,  a  Massachusetts  corporation  (the
"Company"). In addition, Cerberus Partners, L.P., a Delaware limited partnership
("Cerberus"),  is the holder of 143,495 Shares, Cerberus International,  Ltd., a
corporation  organized under the laws of the Bahamas  ("International"),  is the
holder of 399,670 Shares,  Cerberus Series Two Holdings, LLC, a Delaware limited
liability  company  ("Cerberus  Series Two"),  is the holder of 187,660  Shares,
Cerberus America Series One Holdings,  LLC, a Delaware limited liability company
("Cerberus America"),  is the holder of 37,385 Shares, and various other private
investment  funds (the "Funds") hold in the aggregate  193,190  Shares.  Stephen
Feinberg  possesses  sole  power  to vote  and  direct  the  disposition  of all
securities held by Cerberus CH,  Cerberus,  International,  Cerberus Series Two,
Cerberus  America and the Funds.  Thus, as of October 12, 2004, for the purposes
of Reg.  Section  240.13d-3,  Stephen  Feinberg  is deemed to  beneficially  own
2,570,650  Shares,  or 16.4% of the Shares deemed issued and  outstanding  as of
that date.





Item 5.   Interest in Securities of the Issuer.
          ------------------------------------

          Based upon information set forth in the Company's  Quarterly Report on
Form 10-Q for the  quarterly  period  ended June 30,  2004,  as of July 29, 2004
there were issued and  outstanding  14,084,982  Shares.  As of October 12, 2004,
Cerberus CH is the holder of warrants to  purchase  an  aggregate  of  1,609,250
Shares (subject to adjustments in certain circumstances), Cerberus is the holder
of 143,495  Shares,  International  is the holder of  399,670  Shares,  Cerberus
Series Two is the holder of 187,660  Shares,  Cerberus  America is the holder of
37,385  Shares  and the Funds  hold in the  aggregate  193,190  Shares.  Stephen
Feinberg  possesses  sole  power  to vote  and  direct  the  disposition  of all
securities held by Cerberus CH,  Cerberus,  International,  Cerberus Series Two,
Cerberus  America and the Funds.  Thus, as of October 12, 2004, for the purposes
of Reg.  Section  240.13d-3,  Stephen  Feinberg  is deemed to  beneficially  own
2,570,650  Shares,  or 16.4% of the Shares deemed issued and  outstanding  as of
that date.

          The following table details the transactions in Shares,  or securities
convertible  into,  exercisable for or  exchangeable  for Shares by Cerberus CH,
Cerberus, International, Cerberus Series Two, Cerberus America and/or the Funds,
since the filing of the  Schedule  13D  Amendment  No. 6 by Mr.  Feinberg  as of
October  8,  2004  (each  of  which  were  effected  in  an  ordinary  brokerage
transaction):

                                   I. Cerberus
                                   -----------

                                   (Purchases)

                                      NONE


                                     (Sales)


        Date                         Quantity                    Price
        ----                         --------                    -----

   October 7, 2004                     5,970                    $11.60
   October 11, 2004                   11,195                    $11.65
   October 12, 2004                    8,960                    $11.65



                                II. International
                                -----------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                    Price
        ----                         --------                    -----

   October 7, 2004                    16,630                    $11.60
   October 11, 2004                   31,180                    $11.65
   October 12, 2004                   24,940                    $11.65






                            III. Cerberus Series Two
                            ------------------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                    Price
        ----                         --------                    -----

   October 7, 2004                     7,810                    $11.60
   October 11, 2004                   14,640                    $11.65
   October 12, 2004                   11,710                    $11.65



                              III. Cerberus America
                              ---------------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                    Price
        ----                         --------                    -----

   October 7, 2004                     1,560                    $11.60
   October 11, 2004                    2,915                    $11.65
   October 12, 2004                    2,330                    $11.65



                                  IV. The Funds
                                  -------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                    Price
        ----                         --------                    -----

   October 7, 2004                     8,030                    $11.60
   October 11, 2004                   15,070                    $11.65
   October 12, 2004                   12,060                    $11.65






                                    Signature
                                    ---------

          After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.


                                        October 13, 2004


                                        /s/ Stephen Feinberg
                                        ----------------------------------------
                                        Stephen Feinberg, on behalf of  Cerberus
                                        Associates, L.L.C., the  general partner
                                        of Cerberus Partners, L.P., the managing
                                        member of Cerberus CH LLC,  and Cerberus
                                        Series  Two   Holdings,  LLC,   Cerberus
                                        America   Series  One    Holdings,  LLC,
                                        Cerberus  International,  Ltd.  and  the
                                        Funds



      Attention: Intentional misstatements or omissions of fact constitute
                Federal criminal violations (See 18 U.S.C. 1001).