POWER OF ATTORNEY
Know all men by these presents, that the individuals whose signatures appear
below constitute and appoint Alan S. McKim, James A. Pitts, and C. Michael
Malm, and each of them acting alone, his or her true and lawful attorneys-in-
fact and agents with full power of substitution and resubstitution, to sign the
Clean Harbors, Inc. Form S-2 Registration Statement under the Securities Act of
1933, as amended, and to file the same with all exhibits thereto, and all
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact and agents, and each of them, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in and about the premises, as fully to all intents and
purposes as he or she might or could do in person, hereby ratifying and
confirming all that said substitute or substitutes may lawfully do or cause to
be done by virtue hereof.
For purposes of this Power of Attorney, the "Registrant" means Clean Harbors,
Inc., and the "Additional Registrants" means Clean Harbors Environmental
Services, Inc., Clean Harbors of Braintree, Inc., Clean Harbors of Natick,
Inc., Clean Harbors of Baltimore, Inc., Clean Harbors of Chicago, Inc., Clean
Harbors of Cleveland, Inc., Murphy's Waste Oil Service, Inc., Clean Harbors
Kingston Facility Corporation, Clean Harbors of Connecticut, Inc., Mr. Frank,
Inc., Clean Harbors Technology Corporation and Spring Grove Resource Recovery,
Inc.
SIGNATURE TITLE DATE
--------- ----- ----
Alan S. McKim Chairman of the Board of June 17,
_____________________________________ Directors, President and 1994
ALAN S. MCKIM Chief Executive Officer
of the Registrant;
President (principal
executive officer) of
Clean Harbors
Environmental Services,
Inc.; sole Director of
each of the Additional
Registrants (other than
Clean Harbors Technology
Corporation); and
Director of Clean
Harbors Technology
Corporation
James A. Pitts Executive Vice President June 17,
_____________________________________ of Finance and 1994
JAMES A. PITTS Administration and Chief
Financial Officer
(principal financial
officer) of the
Registrant; and Vice
President and Treasurer
(principal financial and
accounting officer) of
each of the Additional
Registrants
Mary-Ellen Drinkwater Vice President and June 17,
_____________________________________ Controller (principal 1994
MARY-ELLEN DRINKWATER accounting officer) of
the Registrant
Jorgen H. Vestergaard President (principal June 17,
_____________________________________ executive officer) and 1994
JORGEN H. VESTERGAARD Director of Clean
Harbors Technology
Corporation
POWER OF ATTORNEY
Know all men by these presents, that the individuals whose signatures appear
below constitute and appoint Alan S. McKim, James A. Pitts, and C. Michael
Malm, and each of them acting alone, his true and lawful attorneys-in-fact and
agents with full power of substitution and resubstitution, to sign the Clean
Harbors, Inc. Form S-2 Registration Statement under the Securities Act of 1933,
as amended, and to file the same with all exhibits thereto, and all documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents, and each of them, full power and
authority to do and perform each and every act and thing requisite and
necessary to be done in and about the premises, as fully to all intents and
purposes as he might or could do in person, hereby ratifying and confirming all
that said substitute or substitutes may lawfully do or cause to be done by
virtue hereof.
SIGNATURE TITLE DATE
--------- ----- ----
John O. Peterson Director June 14, 1994
_____________________________________
JOHN O. PETERSON
Daniel J. McCarthy Director June 14, 1994
_____________________________________
DANIEL J. MCCARTHY
John F. Kaslow Director June 14, 1994
_____________________________________
JOHN F. KASLOW
Christy W. Bell Director June 15, 1994
_____________________________________
CHRISTY W. BELL
Lorne R. Waxlax Director June 14, 1994
_____________________________________
LORNE R. WAXLAX