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CONFORMED PERIOD OF REPORT:	20240522
FILED AS OF DATE:		20240410
DATE AS OF CHANGE:		20240410

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CLEAN HARBORS INC
		CENTRAL INDEX KEY:			0000822818
		STANDARD INDUSTRIAL CLASSIFICATION:	HAZARDOUS WASTE MANAGEMENT [4955]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				042997780
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

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		SEC ACT:		1934 Act
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		STREET 2:		P.O. BOX 9149
		CITY:			NORWELL
		STATE:			MA
		ZIP:			02061-9149
		BUSINESS PHONE:		781-792-5000

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		CITY:			NORWELL
		STATE:			MA
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