Three federal appeals judges focused their questions Oct. 12 on the proof chemical makers must offer the EPA to justify shielding the identity of compounds they make from public view.
The queries from the judges’ on the U.S. Court of Appeals for the District of Columbia Circuit came in the first environmental group lawsuit challenging one of the Environmental Protection Agency’s three core rules implementing an amended chemicals law. The challengers argued procedures in the EPA’s rule could conceal too many chemical identities, contrary to the public interest.
The Environmental Defense Fund challenged a 2017 EPA chemicals rule, ...