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Table 2B to Subpart E of Part 59—Reactivity Factors for Aliphatic Hydrocarbon Solvent Mixtures

Reactivity Factors for Aliphatic Hydrocarbon Solvent Mixtures

  1. CFR
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  3. Title 40
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  5. Chapter I
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  7. Part 59
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  9. Subpart E
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  11. Appendix Table 2B to Subpart E of Part 59
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Displayed edition2026-05-14
Last updated2026-05-14

Table 2B to Subpart E of Part 59—Reactivity Factors for Aliphatic Hydrocarbon Solvent Mixtures

BinAverage

boiling point *

(degrees F)		CriteriaReactivity

factor

(g O3/g VOC)
180-205Alkanes (<2% Aromatics)1.42
280-205N- & Iso-Alkanes (≥90% and <2% Aromatics)1.31
380-205Cyclo-Alkanes (≥90% and <2% Aromatics)1.63
480-205Alkanes (2 to <8% Aromatics)1.47
580-205Alkanes (8 to 22% Aromatics)1.56
6>205-340Alkanes (<2% Aromatics)1.17
7>205-340N- & Iso-Alkanes (≥90% and <2% Aromatics)1.03
8>205-340Cyclo-Alkanes (≥90% and <2% Aromatics)1.44
9>205-340Alkanes (2 to <8% Aromatics)1.44
10>205-340Alkanes (8 to 22% Aromatics)1.98
11>340-460Alkanes (<2% Aromatics)0.70
12>340-460N- & Iso-Alkanes (≥90% and <2% Aromatics0.62
13>340-460Cyclo-Alkanes (≥90% and <2% Aromatics)0.86
14>340-460Alkanes (2 to <8% Aromatics)0.99
15>340-460Alkanes (8 to 22% Aromatics)1.57
16>460-580Alkanes (<2% Aromatics)0.52
17>460-580N- & Iso-Alkanes (≥90% and <2% Aromatics)0.48
18>460-580Cyclo-Alkanes (≥90% and <2% Aromatics)0.60
19>460-580Alkanes (2 to <8% Aromatics)0.66
20>460-580Alkanes (8 to 22% Aromatics)0.95

[77 FR 14286, Mar. 9, 2012, as amended at 90 FR 5710, Jan. 17, 2025]