EPA's First Solvent Rule Stokes Fight Over Chemical Law's Intent

Opening salvos from several parties in a lawsuit opposing the EPA’s methylene chloride regulation mark a second front in the fight over lawmakers’ intent in 2016 when they substantially amended the primary US commercial chemicals law.

Industry groups and and the Sierra Club filed separate opening briefs on Wednesday challenging specific mandates—or the lack thereof—in the Environmental Protection Agency’s rule.

They also challenged the agency’s interpretation of the 2016 Toxic Substances Control Act amendments, making arguments likely to be repeated in future litigation over other chemical control rules. The revised law included a first-ever requirement that the EPA begin ...

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