Tag Archives: IRIS

EPA’s Risk Assessment Machinery Grinds Exceedingly Slowly, but PCE is Now a Likely Human Carcinogen

On Friday, EPA finally issued its long-awaited revised risk assessment for tetrachloroethylene, also known as perc or PCE. EPA also issued a fact sheet summarizing its current views about PCE and how the new risk assessment fits into the Clean Air Act, Safe Drinking Water Act, and CERCLA regulatory regimes.

Because PCE is present at so many Superfund Sites, and given the number of dry cleaners – including many in residential areas – still using PCE,… More