UL Subject 793
Standard for Automatically Operated Roof Vents for Smoke and Heat (CSDS Proposal, 7/15/2011)
standard by Underwriters Laboratories, 07/15/2011
UL Subject 213
Standard for Rubber Gasketed Fittings for Fire-Protection Service (CSDS Proposal, 7/8/2011)
standard by Underwriters Laboratories, 07/08/2011