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EPA Superfund Site

CHEMETCO

IL | EPA ID ILD048843809

Exposure status: insufficient data

About this site’s exposure pathways: As of August 2025, there is insufficient information to determine the site-wide Human Exposure Control status at the Chemetco Superfund Site. The United States Environmental Protection Agency (EPA) is working with in-house statistics support and contract support to evaluate the background level calculations and human health risk calculations in the Operable Unit 2’s (OU2) responsible parties’ Remedial Investigation (RI). EPA approved the OU2 responsible parties’ RI in March 2022. The RI also addresses groundwater at Operable Unit 1 (OU1). An RI for the remaining media at OU1 will be conducted in the future, after completion of the ongoing time-critical removal action and slag recovery efforts inside the fenced area of the Site. Sufficient information is expected to be available to make a determination by the end of 2028.

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Data limitations: Proximity to a Superfund site boundary does not mean your property is contaminated. EPA site boundaries show the area designated for cleanup, not the full extent of contamination. Groundwater plumes can extend beyond site boundaries. This tool shows publicly available EPA federal data. It is not affiliated with or endorsed by EPA, and is not a substitute for a professional environmental assessment.

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