1
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                             --------------------


                                  FORM 10-QA

               QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
                    OF THE SECURITIES EXCHANGE ACT OF 1934
                        FOR THE QUARTERLY PERIOD ENDED
                              SEPTEMBER 30, 1994
                             --------------------


                        Commission File Number 0-16379
                                      
                             CLEAN HARBORS, INC.
                                      
            (Exact name of registrant as specified in its charter)


   Massachusetts                                           04-2997780
(State of Incorporation)                      (IRS Employer Identification No.)

1200 Crown Colony Drive, Quincy, MA                                  02269-9137
(Address of Principal Executive Offices)                             (Zip Code) 

                           (617) 849-1800 ext. 4454
             (Registrant's Telephone Number, Including Area Code)


Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to 
such filing requirements for the past 90 days.    Yes  X    No
                                                     -----    -----

Indicate the number of shares outstanding of each of the issuer's classes of
common stock, as of the latest practicable date.

Common Stock, $.01 par value                            9,431,282
- ----------------------------                  ------------------------------
         (Class)                              (Outstanding at November 9,1994)



==============================================================================

                                      
                                      
   2
                     CLEAN HARBORS, INC. AND SUBSIDIARIES

                         PART II - OTHER INFORMATION


ITEM 1 - LEGAL PROCEEDINGS
- --------------------------

        No reportable events have occurred which would require modification
of the discussion under Item 3--Legal Proceedings contained in the Company's
Report on Form 10-K for the Year Ended December 31, 1993, as modified by Item
1--Legal Proceedings contained in the Company's Report on Form 10-Q for the
Quarterly Period Ended June 30, 1994.

ITEM 2 - CHANGES IN SECURITIES
- ------------------------------

        None

ITEM 3 - DEFAULTS UPON SENIOR DEBT
- ----------------------------------

        None

ITEM 4 - SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
- ------------------------------------------------------------

        None

ITEM 5 - OTHER INFORMATION
- --------------------------

        None

ITEM 6 - EXHIBITS AND REPORTS ON FORM 8-K
- -----------------------------------------

A)      Exhibit 11.1 - Computation of Net Income per Share.

        Exhibit 27 - Financial Data Schedule
        
B)      Reports on Form 8-K - None




                                     (14)













   3
                     CLEAN HARBORS, INC. AND SUBSIDIARIES

                                  SIGNATURES



        Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.



                                        Clean Harbors, Inc.
                                        -------------------
                                        Registrant




Dated:  March 17, 1995                  By:
                                        -----------------------------
                                        Alan S. McKim
                                        President and
                                        Chief Executive Officer




Dated:  March 17, 1995                  By:
                                        -----------------------------
                                        James A. Pitts
                                        Executive Vice President and
                                        Chief Financial Officer



Dated:  March 17, 1995                  By:
                                        -----------------------------
                                        Mary-Ellen Drinkwater
                                        Vice President and Controller



                                     (15)
 

5 THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED CONDENSED FINANCIAL STATEMENTS OF CLEAN HARBORS, INC. AMENDED FOR THE THIRD QUARTER ENDED SEPTEMBER 30, 1994 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. 1,000 U.S. DOLLAR 9-MOS DEC-31-1994 JAN-01-1994 SEP-30-1994 1 929 0 47,763 1,571 2,607 52,657 117,912 46,907 162,032 29,278 62,483 95 0 1 68,690 162,032 154,226 154,226 106,764 106,764 0 0 5,528 5,335 2,405 2,930 0 1,220 0 1,710 .14 0