EXHIBIT 12

HARSCO CORPORATION

Computation of Ratios of Earnings to Fixed Charges

(Dollars in Thousands)

	YEARS ENDED DECEMBER 31
	2008 (a)			2007 (a)			2006 (b)			2005 (b)			2004 (b)
Pre-tax income from continuing operations (net of minority interest in net income)	$	337,443		$	372,713		$	279,756		$	203,610		$	148,569
Add fixed charges computed below		120,709			129,233			100,635			77,317			74,192
Net adjustments for equity companies		(417	)		(868	)		(192	)		96			461
Net adjustments for capitalized interest		(277	)		(723	)		(1,114	)		(567	)		(124	)
Consolidated Earnings Available for Fixed Charges	$	457,458		$	500,355		$	379,085		$	280,456		$	223,098
Consolidated Fixed Charges:
Interest expense per financial statements (c)	$	73,160		$	81,383		$	60,478		$	41,918		$	41,057
Interest expense capitalized		552			1,035			1,325			677			251
Portion of rentals (1/3) representing a reasonable approximation of the interest factor		46,997			46,815			38,832			34,722			32,884
Consolidated Fixed Charges	$	120,709		$	129,233		$	100,635		$	77,317		$	74,192
Consolidated Ratio of Earnings to Fixed Charges		3.79			3.87			3.77			3.63			3.01

(a) Does not include interest related to FIN 48 obligations.

(b) Pre-tax income from continuing operations (net of minority interest in net income) restated to reflect the Gas Technologies business group as a Discontinued Operation.  Portion of rentals revised to include recurring short-term rentals in the Harsco Infrastructure Segment.

(c) Includes amortization of debt discount and expense.