40 CFR Appendix Table 1 to Subpart XX of Part 63, Hazardous Air Pollutants

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There are 23 Updates appearing in the Federal Register for 40 CFR Part 63. View below or at eCFR (GPOAccess)
Table 1 to Subpart XX of Part 63 - Hazardous Air Pollutants
Hazardous air pollutant CAS No.
Benzene 71432
1,3-Butadiene 106990
Cumene 98828
Ethyl benzene 100414
Hexane 110543
Naphthalene 91203
Styrene 100425
Toluene 108883
o-Xylene 95476
m-Xylene 108383
p-Xylene 106423

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United States Code

Title 40 published on 2015-08-22

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 63 after this date.

  • 2017-01-18; vol. 82 # 11 - Wednesday, January 18, 2017
    1. 82 FR 5401 - National Emission Standards for Hazardous Air Pollutants: Ferroalloys Production
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule; notice of final action on reconsideration.
      This final action is effective on January 18, 2017. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register as of January 18, 2017.
      40 CFR Part 63

Title 40 published on 2015-08-22.

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2017-01-18; vol. 82 # 11 - Wednesday, January 18, 2017
    1. 82 FR 5401 - National Emission Standards for Hazardous Air Pollutants: Ferroalloys Production
      GPO FDSys: XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule; notice of final action on reconsideration.
      This final action is effective on January 18, 2017. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register as of January 18, 2017.
      40 CFR Part 63