EPA Defends Exposure Considerations In Novel Dioxin Cleanup Standards

EPA is defending its recently finalized goals for removing dioxin from a Michigan river floodplain, saying its reliance on exposure data to craft novel site-specific cleanup standards is consistent with agency policy, but advocates argue the numbers are inadequate and say EPA is paving the way for inconsistent cleanup standards around the country. In a Jan. 8 Enforcement Action Memorandum for the Tittabawassee River floodplain, posted to a recently updated website, EPA finalizes cleanup standards for dioxin-contaminated soil in maintained...