Industry Seeks To Ease Rules On Solvents Used To Make HFC Alternatives

Chemical manufacturers are pressing EPA not to impose strict toxics rules on a key solvent used to make refrigerants with a lower global warming potential (GWP) than hydrofluorocarbons (HFCs), which the agency is sharply phasing down as part of a congressionally mandated climate mitigation program. At issue is EPA’s risk evaluations and potential future standards for carbon tetrachloride (CCl4) and other halogenated solvents under the Toxic Substances Control Act (TSCA). The chemical sector is pressing EPA to narrow its evaluation...