<SEC-DOCUMENT>0001213900-18-001914-index.html : 20180501
<SEC-HEADER>0001213900-18-001914.hdr.sgml : 20180501
<ACCEPTANCE-DATETIME>20180214185021
ACCESSION NUMBER:		0001213900-18-001914
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180501

SUBJECT COMPANY:	

	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:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-39179
		FILM NUMBER:		18615400

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHERNSUN ASSET MANAGEMENT, LLC
		CENTRAL INDEX KEY:			0001089755
		IRS NUMBER:				272990431
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		175 TOYOTA PLAZA
		STREET 2:		SUITE 800
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38103
		BUSINESS PHONE:		901-341-2700

	MAIL ADDRESS:	
		STREET 1:		175 TOYOTA PLAZA
		STREET 2:		SUITE 800
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTHERNSUN ASSET MANAGEMENT, INC
		DATE OF NAME CHANGE:	20061207

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COOK MICHAEL W ASSET MANAGEMENT
		DATE OF NAME CHANGE:	19990629
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>sc13g0218clean_southern.htm
<DESCRIPTION>SCHEDULE 13G
<TEXT>
Document 1 - file: sc13g0218clean_southern.htm

</DOCUMENT>
</SEC-DOCUMENT>