Regulation & law · 28/11/2018Updated: 10/17/2026 · 1 min read

EPA Revises VOC Definition to Exclude HFO-1336mzz-Z

The U.S. Environmental Protection Agency (EPA) has finalized a rule to revise its definition of volatile organic compounds (VOCs) to exclude cis-1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzz-Z), a chemical compound that does not significantly contribute to ozone formation.