EX-32 5 clh-3312026ex32.htm EX-32
EXHIBIT 32
CLEAN HARBORS, INC. AND SUBSIDIARIES
CERTIFICATION PURSUANT TO
SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES OXLEY ACT OF 2002
Pursuant to 18 U.S.C. §1350, each of the undersigned certifies that, to his knowledge, this Quarterly Report on Form 10-Q for the period ended March 31, 2026 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and the information contained in this report fairly presents, in all material respects, the financial condition and results of operations of Clean Harbors, Inc.

|  | By: | /s/ MICHAEL L. BATTLES
|  |  | Michael L. Battles
Date: | May 6, 2026 |  | Co-Chief Executive Officer and Co-President
|  | By: | /s/ ERIC W. GERSTENBERG
|  |  | Eric W. Gerstenberg
Date: | May 6, 2026 |  | Co-Chief Executive Officer and Co-President
|  | By: | /s/ ERIC J. DUGAS
|  |  | Eric J. Dugas
Date: | May 6, 2026 |  | Executive Vice President and Chief Financial Officer