Regulations last checked for updates: Nov 23, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
All TitlesTitle 40Chapter IPart 63Subpart OOOAppendix - Table 2 to Subpart OOO of Part 63—Known Organic Hazardous Air Pollutants (HAP) From the Manufacture of Amino/Phenolic Resins
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Appendix - Table 2 to Subpart OOO of Part 63—Known Organic Hazardous Air Pollutants (HAP) From the Manufacture of Amino/Phenolic Resins
Organic HAP CAS Number Organic HAP subject to cooling tower monitoring requirements in § 63.1409 (Yes/No)
Column A Column B
Acrylamide79-06-1NoNo
Aniline62-53-3YesNo
Biphenyl92-52-4YesYes
Cresol and cresylic acid (mixed)1319-77-3YesNo
Cresol and cresylic acid (m-)108-39-4YesNo
Cresol and cresylic acid (o-)95-48-7YesNo
Cresol and cresylic acid (p-)106-44-5YesNo
Diethanolamine111-42-2NoNo
Dimethylformamide68-12-2NoNo
Ethylbenzene100-41-4YesYes
Ethylene glycol107-21-1NoNo
Formaldehyde50-00-0YesNo
Glycol ethers0NoNo
Methanol67-56-1YesYes
Methyl ethyl ketone78-93-3YesYes
Methyl isobutyl ketone108-10-1YesYes
Naphthalene91-20-3YesYes
Phenol108-95-2YesNo
Styrene100-42-5YesYes
Toluene108-88-3NoYes
Xylenes (NOS)1330-20-7YesYes
Xylene (m-)108-38-3YesYes
Xylene (o-)95-47-6YesYes
Xylene (p-)106-42-3YesYes

CAS No. = Chemical Abstract Registry Number.

authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.
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