27 C.F.R. § 21.130.T — Straight run gasoline.
§ 21.130–T Straight run gasoline. (a) General. Straight run gasoline is a mixture consisting predominantly (greater than 60 percent by volume) of C 4, C 5 , C 6 , C 7 and/or C 8 hydrocarbons, and is either: (1) A petroleum distillate coming straight from an atmospheric distillation unit without being cracked or reformed, or (2) A condensate coming directly from an oil/gas recovery operation. (b) API gravity. 72° minimum, 85° maximum. (c) Reid vapor pressure (PSI). 15 maximum. (d) Sulfur. 120 ppm maximum. (e) Benzene. 1.1 percent by volume maximum. (f) Distillation ( °F): (1) 10 percent. 97 minimum, 158 maximum. (2) 50 percent. 250 maximum. (3) Final boiling point. 437 maximum. [T.D. TTB–140, 81 FR 59462, Aug. 30, 2016]