27 C.F.R. § 21.55 Formula No. 28–A.
Title 27 - Alcohol, Tobacco Products and Firearms
(a) Formula. To every 100 gallons of alcohol add:
One gallon or any combination totaling 1 gallon of either gasoline, unleaded gasoline, heptane, or rubber hydrocarbon solvent. (b) Authorized uses. (1) As a fuel:
611. Automobile and supplementary fuels. 612. Airplane and supplementary fuels. 613. Rocket and jet fuels. 620. Proprietary heating fuels. 630. Other fuel uses. (2) Miscellaneous uses:
812. Product development and pilot plant uses (own use only).
Title 27: Alcohol, Tobacco and Firearms
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart D—Specially Denatured Spirits Formulas and Authorized Uses
§ 21.55 Formula No. 28–A.
