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§21.24 Formula No. 20.
(a) Formula. To every 100 gallons of ethyl alcohol of not less than 195 proof add:
A total of 2.0 gallons of either unleaded gasoline, rubber hydrocarbon solvent, kerosene, or deodorized kerosene; or any combination of these.
(b) Authorized use. Restricted to fuel use, comparable to specially denatured alcohol “Use Code No.” 611, 612, 613, 620, and 630.