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Hazardous Waste Cleanup: Lancaster Metals Science Corporation in Lancaster, Pennsylvania

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Cleanup Status

This facility, which was identified as one of EPA Region III's high priority Resource Conservation and Recovery Act (RCRA) corrective action sites, is a photochemical etching facility approximately one acre in size. In the September 2002, EPA completed an Environmental Indicator (EI) evaluation of the facility which determined that there is no current human exposure of concern or contaminated groundwater migration of concern at the facility. Based on this determination and other available information, EPA proposed that no action was necessary at the facility to meet RCRA Corrective Action requirements via a public notice in a local newspaper. The public notice solicited public comments on this proposal from October 22 through December 6, 2007. No public comments were received. In January 2008, EPA issued a Final Decision and Response to Comments which determined that no further action was necessary at this facility with regard to RCRA Corrective Action.

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Site Description

Interactive Map of Lancaster Metals Science Corporation, Lancaster, Pennsylvania


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Lancaster Metals Science Corporation is a photochemical etching facility which has been in operation at this location since March 1984. The ranking of this facility as a high-priority RCRA corrective action facility was based on the reported release of carbon tetrachloride to groundwater.  However, inspections and investigations conducted in 1987 and 2002 found no evidence of past or current use of chlorinated solvents or carbon tetrachloride at the facility.  Furthermore, an analysis of groundwater monitoring data from 1999 and 2004 at wells downgradient of the facility indicate levels of carbon tetrachloride below detection limits.  Based on these inspections and investigations, it has been concluded that the report of the carbon tetrachloride release at this facility was in error and that there otherwise is no information which would suggest a potential release of any hazardous wastes or substances above protective levels at the facility.

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Contaminants at this Facility

EPA completed an Environmental Indicator (EI) evaluation of the facility which determined that there is no current human exposure of concern or contaminated groundwater migration of concern at the facility.

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Institutional and Engineering Controls at this Facility

Institutional controls were not required at the facility.

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Land Reuse Information at this Facility

The site is under continued use.

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Site Responsibility at this Facility

RCRA Corrective Action activities at this facility have been conducted under the direction of EPA Region 3.

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