Current through Vol. 39, No. 14, April 01, 2022
Characteristics. Gasoline must be essentially free of undissolved
water, sediment, and suspended matter, and must be suitable for use as a fuel
in a spark ignition, internal combustion engine. It must be clear and bright at
the ambient temperature or 70°F, whichever is higher
The minimum value for (R+M)/2 for
unleaded motor fuel.
The minimum value for (R+M)/2 stated in this
subsection applies to all unleaded fuel sold in the State of Oklahoma.
The measuring devices must be labeled as
follows and the motor fuel dispensed must meet or exceed the stated value
corresponding to the stated grade. At a minimum, labeling of measuring devices
for unleaded product grade must state as follows:
(A) West of 99 degrees west longitude,
In addition to the labeling requirements
of (1), labels may read as follows:
of 99 degrees west longitude
(i) Unlead or
Unleaded or Unleaded Regular: 87 or 88
(ii) Unleaded Plus or Mid-Grade Unleaded or
Mid-Grade UL: 89 or 90
Premium Unleaded or Super Unleaded or Premium UL or Super UL: 91 and above.
West of 99 degrees
(i) Unlead or Unleaded or
Unleaded Regular: 86 or 87
Unleaded Plus or Mid-Grade Unleaded or Mid-Grade UL: 88 or 89
(iii) Premium Unleaded or Super Unleaded or
Premium UL or Super UL: 90 and above.
(3) Any labeling of measuring devices for
grade(s) of products other than those described in (1) and (2) above require an
application to the Director of the Petroleum Storage Tank
content. The gum content of gasoline must not exceed 5 milligrams per
Additives. Ethanol, MtBE or TAME added to gasoline as a component
must not exceed concentrations permitted by the United States Environmental
Any other type, grade, or mixture of gasoline must be certified pursuant
to the provisions of Subchapter 5 of this Chapter
Okla. Admin. Code
Amended at 9 Ok Reg
2329, eff 6-25-92; Amended at 10 Ok Reg 4245, eff 8-12-93; Amended at 13 Ok Reg
2405, eff 7-1-96; Amended at 18 Ok Reg 1052, eff
Register, Volume 32, Issue 23, August 17, 2015, eff.