POWER OF ATTORNEY


	KNOW ALL MEN BY THESE PRESENTS, that the undersigned,
 a director and (or) officer of Harsco Corporation, a Delaware
 corporation (the "Company") does hereby nominate, constitute
 and appoint Mark E. Kimmel, Salvatore D. Fazzolari,
 and Debra L. Steele, or any one of them, his
or her true and lawful attorneys and agents to do any and
all acts and things and execute and file any and all
instruments which said attorneys and agents, or either of
 them, may deem necessary or advisable to enable the
undersigned (in his or her individual capacity or in a
fiduciary or any other capacity) to comply with the
Securities Exchange Act of 1934, as amended (the "Act"),
and any requirements of the Securities and Exchange Commission
in respect thereof, in connection with the preparation,
 execution and filing of any report or statement of beneficial
 ownership or changes in beneficial ownership of securities
of the Company that the undersigned (in his or her individual
capacity or in a fiduciary or any other capacity) may
be required to file pursuant to Section 16(a) of the Act,
including specifically, but without limitation, full power and
authority to sign the undersigned's name, in his or her
individual capacity or in a fiduciary or any other capacity,
to any report or statement on Form 3, Form 4 or Form 5 or to
any amendment thereto, or any form or forms adopted by the
Securities and Exchange Commission in lieu thereof or in
addition thereto, hereby ratifying and confirming all that said
attorneys and agents, or any of them, shall do or cause to
be done by virtue thereof.

	This authorization shall supersede all prior authorizations
to act for the undersigned with respect to securities of the
Company in these matters, and shall survive the termination
of the undersigned's status as a director and (or) officer of
the Company and remain in effect thereafter for so long as the
undersigned (in his or her individual capacity or in a fiduciary
or any other capacity) has any obligation under Section 16
of the Act with respect to securities of the Company.

	IN WITNESS WHEREOF, I have hereunto set my hand this
21st day of August, 2002.



		Signature

		Derek C. Hathaway
		Print Name