Section NR 262.02 - General definitionsIn addition to the definitions set forth in 40 CFR Part 401, the following definitions apply to this chapter:
(1) "Area coated" means the area of basis material covered by each coating of enamel.(2) "Area processed" means the total basis material area exposed to processing solutions.(3) "Basis material" means the metal part or base onto which porcelain enamel is applied.(4) "Coating operations" means all of the operations associated with preparation and application of the vitreous coating. Usually this includes ballmilling, slip transport, application of slip to the work pieces, cleaning and recovery of faulty parts, and firing (fusing) of the enamel coat.(5) "Control authority" means the publicly owned treatment works if it has an approved pretreatment program; in the absence of such a program, the state.(6) "Existing source" means any source that is not a new source.(7) "Metal preparation" means any and all of the metal processing steps preparatory to applying the enamel slip. Usually this includes cleaning, pickling and applying a nickel flash or chemical coating.(8) "New source," as defined for PSES and PSNS, means any building, structure, facility, or installation from which there is or may be a discharge of pollutants, the construction of which commenced after April 27, 1984.(9) "New source," as defined for BPT, BAT, BCT, and NSPS, means any point source the construction of which commenced after October 21, 1985.(10) "Porcelain enameling" means the entire process of applying a fused vitreous enamel coating to a metal basis material. Usually this includes metal preparation and coating operations.(11) "Precious metal" means gold, silver, or platinum group metals and the principal alloys of those metals.Wis. Admin. Code Department of Natural Resources § NR 262.02
Cr. Register, October, 1986, No. 370, eff. 11-1-86.