Protection of Stratospheric Ozone: Phaseout of Chlorobromomethane Production and Consumption

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With this action, EPA is proposing to add chlorobromomethane (CBM) to the list of controlled substances subject to production and consumption controls in accordance with both the Montreal Protocol on Substances that Deplete the Ozone Layer (Protocol) and EPA's regulations under the Clean Air Act Amendments of 1990 (CAAA). Today's action proposes to create a new Group (Group VIII) of class I substances for CBM, and to designate the value of CBM's "ozone depleting potential" (ODP) as 0.12. In accordance with the Protocol, today's action proposes phasing out CBM production and consumption upon publication of the final rule with permitted exemptions. Today's action also proposes to restrict trade in CBM with countries who are not Parties to the Beijing Amendments to the Protocol.