<SEC-DOCUMENT>0001974078-25-000168.txt : 20250606
<SEC-HEADER>0001974078-25-000168.hdr.sgml : 20250606
<ACCEPTANCE-DATETIME>20250606095007
ACCESSION NUMBER:		0001974078-25-000168
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250606
DATE AS OF CHANGE:		20250606

SUBJECT COMPANY:	

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

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-34223
		FILM NUMBER:		251029135

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GERSTENBERG ERIC W
		CENTRAL INDEX KEY:			0001211558
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		24 MACFARLANE DRIVE
		CITY:			KINGSTON
		STATE:			MA
		ZIP:			02364
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001211558</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000822818</issuerCik>
      <issuerName>CLEAN HARBORS INC</issuerName>
      <secFileNumber>001-34223</secFileNumber>
      <issuerAddress>
        <com:street1>42 LONGWATER DRIVE</com:street1>
        <com:street2>P.O. BOX 9149</com:street2>
        <com:city>NORWELL</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>02061-9149</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>781-792-5000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>GERSTENBERG ERIC W</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>RAYMOND JAMES &amp; ASSOC. </name>
        <address>
          <com:street1>880 CARILLON PKWY</com:street1>
          <com:city>ST. PETERSBURG</com:city>
          <com:stateOrCountry>FL</com:stateOrCountry>
          <com:zipCode>33716</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>8076</noOfUnitsSold>
      <aggregateMarketValue>1818000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>53856836</noOfUnitsOutstanding>
      <approxSaleDate>06/06/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/15/2025</acquiredDate>
      <natureOfAcquisitionTransaction>SHARE VESTING</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CLEAN HARBORS INC</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1043</amountOfSecuritiesAcquired>
      <paymentDate>03/15/2025</paymentDate>
      <natureOfPayment>EQUITY COMP</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>02/01/2025</acquiredDate>
      <natureOfAcquisitionTransaction>SHARE VESTING</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CLEAN HARBOR INC</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7033</amountOfSecuritiesAcquired>
      <paymentDate>02/01/2025</paymentDate>
      <natureOfPayment>EQUITY COMP</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/06/2025</noticeDate>
      <signature>MOHAMMED ALSHATRI, as duly authorized representative of Raymond James &amp; Associates, Inc., as attorney-in-fact for ERIC GERSTENBERG</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
