SEC Form 4
FORM 4

[  ] Check this box if no longer
subject to Section 16. Form 4 or Form
5 obligations may continue.
See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility
Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person*
Gerstenberg, Eric

(Last)                      (First)                      (Middle)
c/o Clean Harbors, Inc.
1501 Washington Street

(Street)
Braintree,    MA   02185-9048

(City)                      (State)                      (Zip)
	2. Issuer Name
and Ticker or Trading Symbol

Clean Harbors, Inc.
clhb

3. I.R.S. Identification
    Number of Reporting
    Person, if an entity
    (voluntary)	4. Statement for
    (Month/Day/Year

02/21/03

5. If Amendment,
    Date of Original
    (Month/Day/Year)
	6. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

   Director      10% Owner
X Officer (give title below)        Other (specify below)

Description           Sr. Vice President

7. Individual or Joint/Group
    Filing (Check Applicable Line)

X   Form filed by One Reporting Person
     Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned	 	
1. Title of Security
    (Instr. 3)
	2.Transaction
Date
(Month/Day/Year)	2A. Deemed Execution Date, if any
(Month/Day/Year)	3. Transaction
    Code
    (Instr. 8)	4. Securities Acquired (A) or Disposed Of (D)
    (Instr. 3, 4, and 5)	5. Amount of
    Securities
    Beneficially
    Owned Following
    Reported Transaction(s)

    (Instr. 3 and 4)	6. Owner-
    ship
    Form:
    Direct (D)
    or
    Indirect (I)

    (Instr. 4)	7. Nature of
     Indirect
     Beneficial
     Ownership

    (Instr. 4)	 	 	 	 	 	 	
 	 	 	Code	V	Amount	A/D	Price	 	 	 	 	 	 	 	 	 	 	 	

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)	 	
1. Title of Derivative Security
    (Instr. 3)	2. Conver-
    sion or
    Exercise
    Price of
    Deri-
    vative
    Security	3. Transaction Date

(Month/
Day/
Year)	3A. Deemed Execution Date, if any

(Month/
Day/
Year)	4. Transaction Code
    (Instr.8)	5. Number of Derivative
    Securities Acquired (A)
    or Disposed Of (D)

    (Instr. 3, 4 and 5)	6. Date Exercisable(DE) and
    Expiration Date(ED)
    (Month/Day/Year)	7. Title and Amount of
    Underlying Securities
    (Instr. 3 and 4)	8. Price
    of
    Derivative
    Security
    (Instr.5)	9. Number of
    Derivative
    Securities
    Beneficially
    Owned
    Following
    Reported
    Transaction(s)
    (Instr.4)	10. Owner-
ship
Form of
Deriv-
ative
Securities:
Direct (D)
or
Indirect (I)

(Instr.4)	11. Nature of
      Indirect
      Beneficial
      Ownership
      (Instr.4)	 	
 	 	 	 	Code	V	A	D	DE	ED	Title	Amount or Number of Shares	 	 	 	 	 	 	 	 	
Employee stock option	$12.98	02/21/2003	 	A	 	40,000	      	02/23/2004*	02/23/2013	common stock	40,000	$12.98	40,000	D	 	 	 	 	 	
 	$	 	 	 	 	      	      	 	 	 	 	$	 	 	 	 	 	 	 	

Explanation of Responses:

*Exerciseable as to 20% on the first anniversary of date of award and as to an additional 20% on each anniversary date thereafter.	
By:	Date:	
/s/ Eric Gerstenberg	02/21/2003	
 	 	
** Signature of Reporting Person	SEC 1474 (9-02)	

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Potential persons who are to respond to the collection of information contained in this form are not
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