<SEC-DOCUMENT>0000822818-18-000018-index.html : 20180425
<SEC-HEADER>0000822818-18-000018.hdr.sgml : 20180425
<ACCEPTANCE-DATETIME>20180425092436
ACCESSION NUMBER:		0000822818-18-000018
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180425
DATE AS OF CHANGE:		20180425
EFFECTIVENESS DATE:		20180425

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34223
		FILM NUMBER:		18772918

	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>DEF 14A
<SEQUENCE>1
<FILENAME>clhproxy2018.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: clhproxy2018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>clhimage2018a01.jpg
<TEXT>
Document 2 - file: clhimage2018a01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>clhsignature2018a01.jpg
<TEXT>
Document 3 - file: clhsignature2018a01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>davismalmsignature2018ba01.jpg
<TEXT>
Document 4 - file: davismalmsignature2018ba01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>davismalmsignature2018aa01.jpg
<TEXT>
Document 5 - file: davismalmsignature2018aa01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>proxycard2018p1.jpg
<TEXT>
Document 6 - file: proxycard2018p1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>proxycard2018p2.jpg
<TEXT>
Document 7 - file: proxycard2018p2.jpg

</DOCUMENT>
</SEC-DOCUMENT>