CONSENT OF COOPERS & LYBRAND
 
  We consent to the inclusion in or the incorporation by reference in the
registration statement of Clean Harbors, Inc. on Form S-2 of our reports dated
February 1, 1994 on our audits of the consolidated financial statements and
financial statement schedules of Clean Harbors, Inc. as of December 31, 1993
and 1992 and for the years ended December 31, 1993, 1992 and 1991, which
reports are included in the Clean Harbors, Inc. Annual Report on Form 10-K, for
the year ended December 31, 1993. We also consent to the reference to our Firm
under the caption "Experts."
 
                                          Coopers & Lybrand
 
Boston, Massachusetts
June 17, 1994