§ 468.02 Specialized definitions.

In addition to the definitions set forth in 40 CFR part 401 and the chemical analysis methods in 40 CFR part 136, the following definitions apply to this part:

(a) The term “alkaline cleaning bath” shall mean a bath consisting of an alkaline cleaning solution through which a workpiece is processed.

(b) The term “alkaline cleaning rinse” shall mean a rinse following an alkaline cleaning bath through which a workpiece is processed. A rinse consisting of a series of rinse tanks is considered as a single rinse.

(c) The term “ancillary operation” shall mean any operation associated with a primary forming operation. These ancillary operations include surface and heat treatment, hydrotesting, sawing, and surface coating.

(d) The term “annealing with oil” shall mean the use of oil to quench a workpiece as it passes from an annealing furnace.

(e) The term “annealing with water” shall mean the use of a water spray or bath, of which water is the major constituent, to quench a workpiece as it passes from an annealing furnace.