<SEC-DOCUMENT>0001179110-19-012977-index.html : 20191218
<SEC-HEADER>0001179110-19-012977.hdr.sgml : 20191218
<ACCEPTANCE-DATETIME>20191218123552
ACCESSION NUMBER:		0001179110-19-012977
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191212
FILED AS OF DATE:		20191218
DATE AS OF CHANGE:		20191218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Willett Robert
		CENTRAL INDEX KEY:			0001438093

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34223
		FILM NUMBER:		191291878

	MAIL ADDRESS:	
		STREET 1:		C/O COGNEX CORPORATION
		STREET 2:		ONE VISION DRIVE
		CITY:			NATICK
		STATE:			MA
		ZIP:			01760-2059

ISSUER:		

	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

	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>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 3 -
<TEXT>
Document 1 - file: edgar.html

Document 1 - RAW XML: edgar.xml

</DOCUMENT>
</SEC-DOCUMENT>