- 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. Toluene | 108-88-3 | 100 | Toluene. | 2. Xylene(s) | 1330-20-7 | 100 | Xylenes, ethylbenzene. | 3. Hexane | 110-54-3 | 50 | n-hexane. | 4. n-hexane | 110-54-3 | 100 | n-hexane. | 5. Ethylbenzene | 100-41-4 | 100 | Ethylbenzene. | 6. Aliphatic 140 | 0 | None. | 7. Aromatic 100 | 2 | 1% xylene, 1% cumene. | 8. Aromatic 150 | 9 | Naphthalene. | 9. Aromatic naptha | 64742-95-6 | 2 | 1% xylene, 1% cumene. | 10. Aromatic solvent | 64742-94-5 | 10 | 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 | 15 | Toluene. | 14. Low aromatic white spirit | 64742-82-1 | 0 | None. | 15. Mineral spirits | 64742-88-7 | 1 | Xylenes. | 16. Hydrotreated naphtha | 64742-48-9 | 0 | None. | 17. Hydrotreated light distillate | 64742-47-8 | 0.1 | Toluene. | 18. Stoddard solvent | 8052-41-3 | 1 | Xylenes. | 19. Super high-flash naphtha | 64742-95-6 | 5 | Xylenes. | 20. Varol ® solvent | 8052-49-3 | 1 | 0.5% xylenes, 0.5% ethyl benzene. | 21. VM & P naphtha | 64742-89-8 | 6 | 3% toluene, 3% xylene. | 22. Petroleum distillate mixture | 68477-31-6 | 8 | 4% naphthalene, 4% biphenyl. |
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