<SEC-DOCUMENT>0000822818-18-000039-index.html : 20180720
<SEC-HEADER>0000822818-18-000039.hdr.sgml : 20180720
<ACCEPTANCE-DATETIME>20180720092800
ACCESSION NUMBER:		0000822818-18-000039
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20180719
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Termination of a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180720
DATE AS OF CHANGE:		20180720

FILER:

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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34223
		FILM NUMBER:		18961608

	BUSINESS ADDRESS:	
		STREET 1:		42 LONGWATER DRIVE
		STREET 2:		P.O. BOX 9149
		CITY:			NORWELL
		STATE:			MA
		ZIP:			02061-9149
		BUSINESS PHONE:		781-792-5000

	MAIL ADDRESS:	
		STREET 1:		42 LONGWATER DRIVE
		CITY:			NORWELL
		STATE:			MA
		ZIP:			02061-9149
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: form8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.34H
<SEQUENCE>2
<FILENAME>secondamendmenttocreditagr.htm
<DESCRIPTION>EXHIBIT 4.34H
<TEXT>
Document 2 - file: secondamendmenttocreditagr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.40A
<SEQUENCE>3
<FILENAME>supplementalindenturedated.htm
<DESCRIPTION>EXHIBIT 4.40A
<TEXT>
Document 3 - file: supplementalindenturedated.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.43C
<SEQUENCE>4
<FILENAME>incrementalfacilityamendme.htm
<DESCRIPTION>EXHIBIT 4.43C
<TEXT>
Document 4 - file: incrementalfacilityamendme.htm

</DOCUMENT>
</SEC-DOCUMENT>