7 C.F.R. §§ 160.8–160.10

The designation “steam distilled wood turpentine” shall refer to the kind of spirits of turpentine obtained by steam distillation from the oleoresinous component of wood whether in the presence of the wood or after extraction from the wood, and commonly known prior to the passage of the act as wood turpentine, steam distilled turpentine, steam distilled wood turpentine, or S. D. wood turpentine.

The designation “destructively distilled wood turpentine” shall refer to the kind of spirits of turpentine prepared from the distillate obtained in the destructive distillation (carbonization) of wood, and commonly known prior to the passage of the act as destructively distilled wood turpentine or D.D. wood turpentine.

The designation “sulphate wood turpentine” shall refer to the kind of spirits of turpentine prepared from the condensates that are recovered in the sulphate process of cooking wood pulp, and commonly known as sulphate turpentine or sulphate wood turpentine.