40 CFR Appendix Table 6 to Subpart KKKK of Part 63, Default Organic HAP Mass Fraction for Solvents and Solvent Blends

Table 6 to Subpart KKKK of Part 63 - Default Organic HAP Mass Fraction for Solvents and Solvent Blends

You may use the mass fraction values in the following table for solvent blends for which you do not have test data or manufacturer's formulation data.

Solvent/solvent blend CAS. No. Average
organic HAP mass fraction
Typical organic HAP, percent by mass
1. Toluene 108-88-3 1.0 Toluene.
2. Xylene(s) 1330-20-7 1.0 Xylenes, ethylbenzene.
3. Hexane 110-54-3 0.5 n-hexane.
4. n-Hexane 110-54-3 1.0 n-hexane.
5. Ethylbenzene 100-41-4 1.0 Ethylbenzene.
6. Aliphatic 140 0 None.
7. Aromatic 100 0.02 1% Xylene, 1% cumene.
8. Aromatic 150 0.09 Naphthalene.
9. Aromatic naphtha 64742-95-6 0.02 1% Xylene, 1% cumene.
10. Aromatic solvent 64742-94-5 0.1 Naphthalene.
11. Exempt mineral spirits 8032-32-4 0 None.
12. Ligroines (VM & P) 8032-32-4 0 None.
13. Lactol spirits 64742-89-6 0.15 Toluene.
14. Low aromatic white spirit 64742-82-1 0 None.
15. Mineral spirits 64742-88-7 0.01 Xylenes.
16. Hydrotreated naphtha 64742-48-9 0 None.
17. Hydrotreated light distillate 64742-47-8 0.001 Toluene.
18. Stoddard solvent 8052-41-3 0.01 Xylenes.
19. Super high-flash naphtha 64742-95-6 0.05 Xylenes.
20. Varsol ® solvent 8052-49-3 0.01 0.5% Xylenes, 0.5% ethylbenzene.
21. VM & P naphtha 64742-89-8 0.06 3% Toluene, 3% xylene.
22. Petroleum distillate mixture 68477-31-6 0.08 4% Naphthalene, 4% biphenyl.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code

Title 40 published on 10-May-2017 04:28

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

  • 2017-05-11; vol. 82 # 90 - Thursday, May 11, 2017
    1. 82 FR 21927 - Delegation of New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants for the States of Arizona and Nevada
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule.
      This rule is effective on July 10, 2017 without further notice, unless EPA receives adverse comments by June 12, 2017. If we receive such comments, we will publish a timely withdrawal in the Federal Register to notify the public that this direct final rule will not take effect.
      40 CFR Parts 60, 61 and 63

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