Known Organic HAP Emitted From the Production of Elastomer Products

[Known organic HAP emitted from the production of elastomer products] Organic HAP/Chemical name (CAS No.) Elastomer product/subcategory BR EPI EPR HYP NEO NBL NBR PBR/SBRS PSR SBL SBRE Acrylonitrile (107131) X X 1,3 Butadiene (106990) X X X X X Carbon Disulfide X X X X X Carbon Tetrachloride (56235) X Chlorobenzene (108907) X Chloroform (67663) X Chloroprene (126998) X Epichlorohydrin (106898) X Ethylbenzene (100414) X X Ethylene Dichloride (107062) X Ethylene Oxide (75218) X X Formaldehyde (50000) X X Hexane (110543) X X X Methanol (67561) X X Methyl Chloride (74873) X X Propylene Oxide (75569) X Styrene (100425) X X X Toluene (108883) X X X X Xylenes (1330207) X Xylene (m-) (108383) X Xylene (o-) (95476) X Xylene (p-) (106423) X CAS No. = Chemical Abstract Service Number. BR = Butyl Rubber. EPI = Epichlorohydrin Rubber. EPR = Ethylene Propylene Rubber. HYP = Hypalon TM . NEO = Neoprene. NBL = Nitrile Butadiene Latex. NBR = Nitrile Butadiene Rubber. PBR/SBRS = Polybutadiene and Styrene Butadiene Rubber by Solution. PSR = Polysulfide Rubber. SBL = Styrene Butadiene Latex. SBRE = Styrene Butadiene Rubber by Emulsion. [76 FR 22594, Apr. 21, 2011]