Environmentalists See TSCA ‘Threshold’ Policy Aiding Fenceline Protections

Environmentalists are welcoming as a “huge victory” EPA’s termination of a long-standing policy against modeling some “small” chemical releases during TSCA new-chemical reviews, saying the move will bolster protections for fenceline communities, even as industry is raising concerns that the agency moved too quickly and without public input. EPA’s reversal of the Clinton-era Toxic Substances Control Act (TSCA) “threshold of toxicological concern” (TTC) policy for pre-manufacture notice (PMN) reviews “will take very few resources, but have potentially huge positive benefits...