| A | B | C | D | E | |
|---|---|---|---|---|---|
| 1 | Draft Cleaner Air Oregon TAC Speciation for Gasoline | ||||
| 2 | Prepared for distribution 11/14/2023, CF | ||||
| 4 | CASRN | Toxic Air Contaminant (TAC) | HAP | TAC Vapor Weight Fraction | |
| 5 | 526-73-8 | 1,2,3-Trimethylbenzene | 0.00007058 | ||
| 6 | 95-63-6 | 1,2,4-Trimethylbenzene | 0.00039799 | ||
| 7 | 108-67-8 | 1,3,5-Trimethylbenzene | 0.00015565 | ||
| 8 | 540-84-1 | 2,2,4-Trimethylpentane | Y | 0.01543471 | |
| 9 | 91-57-6 | 2-Methyl naphthalene | Y | 0.00000183 | |
| 10 | 71-43-2 | Benzene | Y | 0.00549442 | |
| 11 | 110-82-7 | Cyclohexane | 0.00452826 | ||
| 12 | 100-41-4 | Ethyl benzene | Y | 0.00141423 | |
| 13 | 110-54-3 | Hexane | Y | 0.02169322 | |
| 14 | 78-79-5 | Isoprene, except from vegetative emission sources | 0.00026761 | ||
| 15 | 98-82-8 | Isopropylbenzene (cumene) | Y | 0.00004279 | |
| 16 | 108-38-3 | m-Xylene | Y | 0.00267533 | |
| 17 | 91-20-3 | Naphthalene | Y | 0.00000597 | |
| 18 | 95-47-6 | o-Xylene | Y | 0.00125055 | |
| 19 | 106-42-3 | p-Xylene | Y | 0.00116709 | |
| 20 | 108-88-3 | Toluene | Y | 0.013467 | |
| 22 | Source: California Air Resources Board Speciation Profiles, highest weight fraction for each TAC from from Profile 691 ("Headspace vapors E10 summer gasoline fuel") and Profile 695 ("Headspace vapors E10 winter gasoline fuel"). | ||||
| 23 | https://ww2.arb.ca.gov/speciation-profiles-used-carb-modeling | ||||
| 25 | Profile 691: | https://www.arb.ca.gov/ei/speciate/profilereference/headspacee10_og691.pdf?_ga=2.268862007.758220910.1660859414-1997574997.1643846064 | |||
| 26 | Profile 695: | https://www.arb.ca.gov/ei/speciate/profilereference/headspacee10w-og695.pdf?_ga=2.268862007.758220910.1660859414-1997574997.1643846064 | |||