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May 1, 2018

Federal Register | The Daily Journal of the United States Government on May 1st,2018.


subscription results for Tuesday, May 1st, 2018 1 matching document

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Environmental Protection Agency

Proposed Rule

Air Quality State Implementation Plans; Approvals and Promulgations:

Definition of Volatile Organic Compounds���Exclusion of cis-1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzz-Z)
Abstract: The Environmental Protection Agency (EPA) is proposing to revise the regulatory definition of volatile organic compounds (VOC) under the Clean Air Act (CAA). This action proposes to add cis- 1,1,1,4,4,4-hexafluorobut-2-ene (also known as HFO-1336mzz-Z; CAS number 692-49-9) to the list of compounds excluded from the regulatory definition of VOC on the basis that this compound makes a negligible contribution to tropospheric ozone (O<INF>3</INF>) formation.