Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 5 to Subpart U of Part 63: Table 5 to Subpart U of Part 63—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.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
Subpart U—National Emission Standards for Hazardous Air Pollutant Emissions: Group I Polymers and Resins

[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.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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