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Energy & environment · 08/02/2023Updated: 10/16/2026 · 1 min read

EPA Revises VOC Definition to Exempt HFO-1336mzz(E)

Summary

The U.S. Environmental Protection Agency has finalized a rule excluding trans-1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzz(E)) from the regulatory definition of volatile organic compounds (VOC) due to its negligible contribution to ozone formation.

Original source language: Federal Register — Environmental Protection AgencyOpen original release →

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