"Proof spirits" means that alcoholic liquor which contains one-half of its volume of pure ethyl alcohol of a specific gravity of 0.7939 at 60 degrees Fahrenheit, referred to water at 60 degrees Fahrenheit as unity.
Ca. Bus. and Prof'l. Code § 23032
"Proof spirits" means that alcoholic liquor which contains one-half of its volume of pure ethyl alcohol of a specific gravity of 0.7939 at 60 degrees Fahrenheit, referred to water at 60 degrees Fahrenheit as unity.
Ca. Bus. and Prof'l. Code § 23032