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Filing metadata

Accession number: 0001181431-11-041850
Form type: Form 4
Filer: CLEAN HARBORS INC
CIK: CIK 822818
Filed: Jul 21, 2011
Reporting period: Jul 19, 2011
Description: Insider transaction

Documents

0001181431-11-041850-index.htm

Complete submission

0001181431-11-041850.txt

directory listing

Filed by

CLEAN HARBORS INC