Regulations last checked for updates: Oct 02, 2026

Title 40 - Protection of Environment last revised: Sep 29, 2026
All TitlesTitle 40Chapter IPart 63Subpart JJJAppendix - Table 6 to Subpart JJJ of Part 63—Known Organic HAP Emitted From the Production of Thermoplastic Products
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Appendix - Table 6 to Subpart JJJ of Part 63—Known Organic HAP Emitted From the Production of Thermoplastic Products
Thermoplastic product/Subcategory Organic HAP/chemical name
(CAS No.)
Acet-aldehyde (75-07-0) Acrylo-nitrile (107-13-1) 1,3 Buta-diene (106-99-0) 1,4-Dioxane (123-91-1) Ethylene Glycol (107-21-1) Methanol (67-56-1) Methyl metha-crylate (80-62-6) Styrene (100-42-5)
ABS latex ✔✔ ✔
ABS using a batch emulsion process ✔✔ ✔
ABS using a batch suspension process ✔✔ ✔
ABS using a continuous emulsion process ✔✔ ✔
ABS using a continuous mass process ✔✔ ✔
ASA/AMSAN ✔ ✔
EPS ✔
MABS ✔✔ ✔
MBS ✔ ✔✔
Nitrile resin ✔
PET using a batch dimethyl terephthalate process✔ ✔ ✔ ✔
PET using a batch terephthalic acid process✔ ✔ ✔
PET using a continuous dimethyl terephthalate process✔ ✔ ✔ ✔
PET using a continuous terephthalic acid process✔ ✔ ✔
PET using a continuous terephthalic acid high viscosity multiple end finisher process✔ ✔ ✔
Polystyrene resin using a batch process ✔
Polystyrene resin using a continuous process ✔
SAN using a batch process ✔ ✔
SAN using a continuous process ✔ ✔

CAS No. = Chemical Abstract Service Number.

ABS = Acrylonitrile butadiene styrene resin.

ASA/AMSAN = Acrylonitrile styrene resin/alpha methyl styrene acrylonitrile resin.

EPS = expandable polystyrene resin.

MABS = methyl methacrylate acrylonitrile butadiene styrene resin.

PET = poly(ethylene terephthalate) resin.

SAN = styrene acrylonitrile resin.

MBS = methyl methacrylate butadiene styrene resin.

[66 FR 36942, July 16, 2001]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.
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