April 23, 2018 - EPA is proposing to add HFO-1336mzz-Z to the list of compounds excluded from the regulatory definition of volatile organic compounds or VOC. Some VOC contribute significantly to the formation of ground-level ozone which can cause serious respiratory illnesses.

• Fact Sheet (PDF)(3 pp, 59 K, 04/23/2018)
• Proposed Rule (PDF)(30 pp, 230 K, 04/23/2018)