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Table 6 to Subpart FFFFF of Part 63—List of Polycyclic Aromatic Hydrocarbons

List of Polycyclic Aromatic Hydrocarbons

CorpusDaily eCFR
Displayed edition2026-04-27
Last updated2026-04-27

Table 6 to Subpart FFFFF of Part 63—List of Polycyclic Aromatic Hydrocarbons

As stated in § 63.7825(x), you must demonstrate compliance with each polycyclic aromatic hydrocarbon emission limit that applies to you by calculating the sum of the emissions of each polycyclic aromatic hydrocarbon in the following table:

Pollutant nameCAS No.
Acenaphthene83-32-9
Acenaphthylene208-96-8
Anthracene120-12-7
Benz[a]anthracene56-55-3
Benzo[a]pyrene50-32-8
Benzo[b]fluoranthene205-99-2
Benzo[g,h,i]perylene191-24-2
Benzo[k]fluoranthene207-08-9
Chrysene218-01-9
Dibenz[a,h]anthracene53-70-3
Fluoranthene206-44-0
Fluorene86-73-7
Indeno (1,2,3-cd) pyrene193-39-5
Naphthalene91-20-3
Phenanthrene85-01-8
Perylene198-55-0
Pyrene129-00-0

[89 FR 23335, Apr. 3, 2024]