(a) General. Straight run gasoline is a mixture consisting predominantly (greater than 60 percent by volume) of C4, C5, C6, C7 and/or C8 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]