40 CFR Part 59, Table 2B
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Bin | Average boiling point * (degrees F) | Criteria | Reactivity factor (g O3/g VOC) |
|---|---|---|---|
| 1 | 80-205 | Alkanes (<2% Aromatics) | 1.42 |
| 2 | 80-205 | N- & Iso-Alkanes (≥90% and <2% Aromatics) | 1.31 |
| 3 | 80-205 | Cyclo-Alkanes (≥90% and <2% Aromatics) | 1.63 |
| 4 | 80-205 | Alkanes (2 to <8% Aromatics) | 1.47 |
| 5 | 80-205 | Alkanes (8 to 22% Aromatics) | 1.56 |
| 6 | >205-340 | Alkanes (<2% Aromatics) | 1.17 |
| 7 | >205-340 | N- & Iso-Alkanes (≥90% and <2% Aromatics) | 1.03 |
| 8 | >205-340 | Cyclo-Alkanes (≥90% and <2% Aromatics) | 1.44 |
| 9 | >205-340 | Alkanes (2 to <8% Aromatics) | 1.44 |
| 10 | >205-340 | Alkanes (8 to 22% Aromatics) | 1.98 |
| 11 | >340-460 | Alkanes (<2% Aromatics) | 0.7 |
| 12 | >340-460 | N- & Iso-Alkanes (≥90% and <2% Aromatics | 0.62 |
| 13 | >340-460 | Cyclo-Alkanes (≥90% and <2% Aromatics) | 0.86 |
| 14 | >340-460 | Alkanes (2 to <8% Aromatics) | 0.99 |
| 15 | >340-460 | Alkanes (8 to 22% Aromatics) | 1.57 |
| 16 | >460-580 | Alkanes (<2% Aromatics) | 0.52 |
| 17 | >460-580 | N- & Iso-Alkanes (≥90% and <2% Aromatics) | 0.48 |
| 18 | >460-580 | Cyclo-Alkanes (≥90% and <2% Aromatics) | 0.6 |
| 19 | >460-580 | Alkanes (2 to <8% Aromatics) | 0.66 |
| 20 | >460-580 | Alkanes (8 to 22% Aromatics) | 0.95 |
[77 FR 14286, Mar. 9, 2012, as amended at 90 FR 5710, Jan. 17, 2025]