EPA is announcing that the period for providing public comments on the 18 April 2016, proposed "Protection of Stratospheric Ozone: Proposed New Listings of Substitutes; Changes of Listing Status; and Reinterpretation of Unacceptability for Closed Cell Foam Products under the SNAP Program; and Revision of CAA Section 608 Venting Prohibition for Propane" is being extended by 14 days. The public comment period for the proposed rule will now close on 16 June 2016. POC is Chenise Farquharson, Stratospheric Protection Division, Office of Atmospheric Programs (Mail Code 6205 T), EPA, 1200 Pennsylvania Ave. NW., Washington, DC 20460; tel: 202-564-7768; email: Farquharson.chenise@epa.gov (Federal Register; 18 May 2016 [Proposed Rules], pages 31222-31223).