Tag Archives: PCE

The Ninth Circuit Approves the FWS Polar Bear Critical Habitat Designation

On Monday, the 9th Circuit reversed a district court decision that rejected the critical habitat designated by the Fish and Wildlife Service for protection of the polar bear, polar-bear-cub-on-momwhich was listed as threatened in 2008.  The case is largely a straightforward application of accepted Endangered Species Act principles, but does make a few important points.

As the 9th Circuit pointed out, the district court’s logic was flawed. … More

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