SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Expires: December 31, 2014 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* FEINBERG STEPHEN (Last) (First) (Middle) (Street) (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol CLEAN HARBORS INC [ CLHB ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 05/14/2003
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. 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. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.01 per share	05/14/2003		P		200,000	A	10.17	1,795,238	I	By limited partnerships and companies
Common Stock, par value $0.01 per share	05/14/2003		P		50,000	A	10.18	1,845,238	I	By limited partnerships and companies
Common Stock, par value $0.01 per share	05/14/2003		P		630,000	A	10.25	2,475,238	I	By limited partnerships and companies
Common Stock, par value $0.01 per share	05/15/2003		P		120,000	A	10.15	2,595,238	I	By limited partnerships and companies
Common Stock, par value $0.01 per share	05/15/2003		P		21,500	A	10.31	2,616,738	I	By limited partnerships and companies
Common Stock, par value $0.01 per share	05/15/2003		P		109,900	A	10.35	2,726,638	I	By limited partnerships and companies
Common Stock, par value $0.01 per share	05/16/2003		P		50,000	A	10.4	2,776,638	I	By limited partnerships and companies
Common Stock, par value $0.01 per share	05/16/2003		P		125,000	A	10.35	2,901,638(1)(2)(3)	I(1)(2)(3)	By limited partnerships and companies(1)(2)(3)

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. Conversion or Exercise Price of Derivative 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 and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Cerberus CH LLC, a Delaware limited liability company ("Cerberus CH"), is the holder of 16,750 shares of Series C Convertible Preferred Stock, par value $0.01 per share (the "Preferred Shares"), of Clean Harbors, Inc. (the "Company"). Based upon the conversion rate of the Preferred Shares, which is subject to certain adjustments, Cerberus CH has the right to acquire an aggregate of 1,595,238 shares of the common stock, par value $0.01 per share (the "Shares"), of the Company upon the conversion of the Preferred Shares held by Cerberus CH.

2. In addition, as of May 16, 2003, Cerberus Partners, L.P., a Delaware limited partnership ("Cerberus"), is the holder of 195,000 Shares, Cerberus International, Ltd., a corporation organized under the laws of the Bahamas ("International"), is the holder of 543,100 Shares, Cerberus Series Two Holdings, LLC, a Delaware limited liability company ("Cerberus Series Two"), is the holder of 255,000 Shares, Cerberus America Series One Holdings, LLC, a Delaware limited liability company ("Cerberus America"), is the holder of 50,800 Shares, and various other private investment funds (the "Funds") hold in the aggregate 262,500 Shares.

3. 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 May 16, 2003, for the purposes of Reg. Section 240.13d-3, Stephen Feinberg is deemed to beneficially own 2,901,638 Shares. Stephen Feinberg's interest in the securities reported herein is limited to the extent of his pecuniary interest in Cerberus CH, Cerberus, International, Cerberus Series Two, Cerberus America and the Funds, if any.

	/s/ Stephen Feinberg	05/16/2003
	** Signature of Reporting Person	Date
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