EPA Updates Cosden Chemical Coatings Corporation Superfund Site Cleanup Plan

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The US EPA has proposed an update to its initial cleanup plan for the Cosden Chemical Coatings Corporation Superfund site in Beverly, New Jersey.

According to the EPA, this follows a successful pilot study completed in 2021.

The proposal includes cleanup technology to “supplement previous groundwater treatment by injecting chemical oxidants directly into the aquifer to help break down hazardous contaminants into less toxic byproducts.”

“A thorough cleanup of contamination at the Cosden Chemical Coatings Corporation Superfund site is critical to ensuring environmental and public health in Beverly, New Jersey,” EPA Regional Administrator Lisa F. Garcia reported. the EPA. “Conducted by the EPA, in conjunction with the U.S. Army Corps of Engineers, the successful pilot study demonstrated a unique ability to address the remaining groundwater contaminants at this site, and the EPA is committed to utilizing all the technologies available to do the job.”

The cleaning technique is in situ chemical oxidation. Through a network of 30 monitoring wells, the EPA and Army Corps have used in situ chemical oxidation to convert harmful groundwater contaminants from the Cosden site into less toxic byproducts, which complements previous work groundwater pumping and treatment.

This work, according to the EPA, has treated more than 280 million gallons of water since 2009. Additionally, the cleanup includes long-term monitoring.

The EPA reports that the New Jersey Department of Environmental Protection agrees with the EPA’s preferred alternative in the proposed plan.

The Cosden Chemical Coatings Corporation was a paint formulation and manufacturing company that began operations in 1945, producing coatings for industrial applications and recycling manufacturing solvents until 1974.

These operations ended up contaminating soils and groundwater with polychlorinated biphenyls (PCBs), metals and volatile organic compounds (VOCs).

The New Jersey EPA inspected the site in 1980. Surface spills and several hundred unsecured barrels were discovered, prompting a cleanup plan in 1992 to treat the contaminated building, soil, and groundwater .

Since then, the EPA reports that the soil remediation has been completed, as has the demolition of the contaminated building.

The 30-day public comment period for the proposed plan will run from July 29, 2022 through August 29, 2022. The EPA also hosted a virtual public meeting on August 16, 2022 at 6 p.m.

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