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Address:  RTE 724 & WELLS RD 
City & State:  EAST COVENTRY TWP  PA  19457
County:  CHESTER
EPA ID:  PAD002353969
EPA Region:  03
NPL Status:  Currently on the Final NPL
ROD Type:  Amendment
ROD ID:  EPA/541/R-97/062
ROD Date:  08/29/1997
Operable Unit(s):  01
Media:  Groundwater,soil.
Contaminant:  Tetrachloroethylene, trichloroethylene, vinyl chloride, 1,1-dichloroethylene, 1,2-dichloroethane, cis-1,2-dichloroethylene.
Abstract:  The Recticon/Allied Steel site consists of two properties located at the intersection of Route 724 and Wells Road in Parker Ford, Pennsylvania. From 1974 to 1981, the Recticon Corporation, a subsidiary of Rockwell International Corporation, manufactured silicon wafers for the semiconductor industry on one of the properties. A customized, pressurized steel vessel fabricating business was operated until 1988 at another portion of the site owned by Allied Steel since 1970.
Remedy:  This amendment modifies two elements of the original remedy. First, groundwater performance standards will be Maximum Contaminant Limits (MCLs); the contaminated groundwater plume will be pumped and treated until MCLs for the contaminants of concern are achieved. Second, excavation with off-site disposal of contaminated soil is no longer required; institutional controls will be implemented to prohibit soil excavation on the Recticon property and prohibit any new wells on the property until groundwater performance standards are met. The remaining elements of the original remedy will not be modified by this amendment.
Text:  View full-text ROD [ 24K ]
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