40-B Formula To every 100 gallons of ethyl alcohol, U.S.P. add: One sixteenth avoirdupois ounce Bitrex N.F. and 1/8 gallon of tert-Butyl Alcohol Proofs 190 Proof | 200 Proof Shipping Containers Tankers 500g SST Tote 55g Lined Drum 5g Pail 1g Can