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Filing metadata

Accession number: 0001181431-11-029504
Form type: Form 4
Filer: CLEAN HARBORS INC
CIK: CIK 822818
Filed: May 13, 2011
Reporting period: May 11, 2011
Description: Insider transaction

Documents

0001181431-11-029504-index.htm

Complete submission

0001181431-11-029504.txt

directory listing

Filed by

CLEAN HARBORS INC