27 C.F.R. § 21.55
Formula No. 28-A
(a) Formula. To every 100 gallons of alcohol add:
(b) Authorized uses. (1) As a fuel:
(2) Miscellaneous uses:
(a) Formula. To every 100 gallons of alcohol add:
(b) Authorized uses. (1) As a fuel:
(2) Miscellaneous uses: