<SEC-DOCUMENT>0001179110-21-008014-index.html : 20210809 <SEC-HEADER>0001179110-21-008014.hdr.sgml : 20210809 <ACCEPTANCE-DATETIME>20210809104537 ACCESSION NUMBER: 0001179110-21-008014 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210805 FILED AS OF DATE: 20210809 DATE AS OF CHANGE: 20210809 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Welch John R. CENTRAL INDEX KEY: 0001611303 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34223 FILM NUMBER: 211155148 MAIL ADDRESS: STREET 1: 84 SUMMER STREET CITY: WESTON STATE: MA ZIP: 02493 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>4 <SEQUENCE>1 <FILENAME>edgar.xml <DESCRIPTION>FORM 4 - <TEXT> Document 1 - file: edgar.html
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