Superfund Information Systems: Site Profile

Superfund Site:

KIMBERTON
EAST PIKELAND TOWNSHIP, PA

Cleanup Activities

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Background

The 45-acre Kimberton site is located in East Pikeland Township, Pennsylvania. Since 1947, a facility has manufactured resins, textiles and asphalt products on site. Facility activities included the disposal of various waste residues in eight on-site lagoons. These activities contaminated soil and groundwater with hazardous chemicals. Following cleanup, operation and maintenance activities are ongoing.

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What Is Being Done to Clean Up the Site?

The site is being addressed through federal and potentially responsible party (PRP) actions.

EPA has conducted several five-year reviews of the site’s remedy. These reviews ensure that the remedies put in place protect public health and the environment, and function as intended by site decision documents. The most recent review, completed in 2014, concluded that the remedy is being implemented as designed. However, EPA deferred protectiveness of the remedy until additional information can be obtained regarding the potential for vapor intrusion. In 2011, the site’s PRPs completed a vapor intrusion study. The study did not identify any current health concerns from vapor intrusion. The PRPs proposed installing vapor intrusion mitigation systems on one residential property and one building on site.

To view the 2014 five-year review, please click here.

 

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What Is the Current Site Status?

The site’s long-term remedy included treatment and monitoring of contaminated groundwater and surface water; construction of a public water supply system; connection of affected residents and businesses to the new water system; and institutional controls. Institutional controls are administrative or legal controls to help minimize the potential for human exposure to contamination and/or protect the integrity of the remedy. Remedy construction took place between 1989 and 1993.

Groundwater and surface water treatment and monitoring are ongoing.

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Activity and Use Limitations

At this site, activity and use limitations that EPA calls institutional controls are in place. Institutional controls play an important role in site remedies because they reduce exposure to contamination by limiting land or resource use. They also guide human behavior. For instance, zoning restrictions prevent land uses – such as residential uses – that are not consistent with the level of cleanup.

For more background, see Institutional Controls.

At this site, activity and use limitations that EPA calls institutional controls (ICs) are in place. ICs play an important role in site remedies because they reduce exposure to contamination by limiting land or resource use. They also guide human behavior. For instance, zoning restrictions prevent land uses – such as residential uses – that are not consistent with the level of cleanup. For more background, see Institutional Controls.  

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Emergency Response and Removal

Cleanup has also included removal actions, or short-term cleanups, to address immediate threats to human health and the environment. Actions in 1986 included drum removal, excavation of lagoons and treatment of residential wells. The site’s potentially responsible parties (PRPs) provided an alternate source of drinking water to 25 nearby residences and businesses until completion of the public water system connection in 1992.

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