CFR › Title 27 › Part 21 › §21.10927 CFR §21.109Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Distillation range. When 100 mL of gasoline are distilled, none shall distill below 90 °F. Not more than 5 mL shall be collected below 140 °F., and not less than 50 mL shall distill below 230 °F.(b)Odor. Characteristic odor.