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Electronic Code of Federal Regulations

e-CFR data is current as of December 4, 2019

Title 40Chapter ISubchapter CPart 63Subpart VVVV → Appendix


Title 40: Protection of Environment
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)
Subpart VVVV—National Emission Standards for Hazardous Air Pollutants for Boat Manufacturing


Table 5 to Subpart VVVV of Part 63—Default Organic HAP Contents of Solvents and Solvent Blends

As specified in §63.5758(a)(6), when detailed organic HAP content data for solvent blends are not available, you may use the values in the following table:

Solvent/solvent blend CAS No. Average organic HAP content, percent by mass Typical organic HAP, percent by mass
1. Toluene108-88-3100Toluene.
2. Xylene(s)1330-20-7100Xylenes, ethylbenzene.
3. Hexane110-54-350n-hexane.
4. n-hexane110-54-3100n-hexane.
5. Ethylbenzene100-41-4100Ethylbenzene.
6. Aliphatic 1400None.
7. Aromatic 10021% xylene, 1% cumene.
8. Aromatic 1509Naphthalene.
9. Aromatic naptha64742-95-621% xylene, 1% cumene.
10. Aromatic solvent64742-94-510Naphthalene.
11. Exempt mineral spirits8032-32-40None.
12. Ligroines (VM & P)8032-32-40None.
13. Lactol spirits64742-89-615Toluene.
14. Low aromatic white spirit64742-82-10None.
15. Mineral spirits64742-88-71Xylenes.
16. Hydrotreated naphtha64742-48-90None.
17. Hydrotreated light distillate64742-47-80.1Toluene.
18. Stoddard solvent8052-41-31Xylenes.
19. Super high-flash naphtha64742-95-65Xylenes.
20. Varol® solvent8052-49-310.5% xylenes, 0.5% ethyl benzene.
21. VM & P naphtha64742-89-863% toluene, 3% xylene.
22. Petroleum distillate mixture68477-31-684% naphthalene, 4% biphenyl.

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