StacksVerified U.S. regulatory reference

27 CFR §21.130-T

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (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. (1)A petroleum distillate coming straight from an atmospheric distillation unit without being cracked or reformed, or
    2. (2)A condensate coming directly from an oil/gas recovery operation.
  2. (b)API gravity. 72° minimum, 85° maximum.
  3. (c)Reid vapor pressure (PSI). 15 maximum.
  4. (d)Sulfur. 120 ppm maximum.
  5. (e)Benzene. 1.1 percent by volume maximum.
  6. (f)Distillation ( °F):
    1. (1)10 percent. 97 minimum, 158 maximum.
    2. (2)50 percent. 250 maximum.
    3. (3)Final boiling point. 437 maximum.