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Filing metadata

Accession number: 0001181431-11-050068
Form type: Form 4
Filer: CLEAN HARBORS INC
CIK: CIK 822818
Filed: Sep 21, 2011
Reporting period: Sep 20, 2011
Description: Insider transaction

Documents

0001181431-11-050068-index.htm

Complete submission

0001181431-11-050068.txt

directory listing

Filed by

CLEAN HARBORS INC