EXHIBIT 23.2
AUDITORS’ CONSENT
We consent to the incorporation by reference in the Registration Statements Nos. 33-60187, 333-46159, 333-63662, 333-134381, and 333-134382 on Form S-8 and Registration No. 333-150296 on Form S-3 of Clean Harbors, Inc. and subsidiaries, of our report dated June 15, 2009, relating to the financial statements of Eveready Inc. which appear in this Amendment No. 2 to the Current Report on Form 8-K/A of Clean Harbors, Inc.
| (SIGNED) “Ernst & Young LLP” |
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Edmonton, Canada |
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| Chartered Accountants |