Wisconsin Legislature: subch. I of ch. NR 253

NR 253.03(14)(14) “Heat treatment” means the application of heat to or the removal of heat from a workpiece to change the physical properties of the metal.

NR 253.03(15)(15) “Miscellaneous waste stream” means hydrotesting, sawing, surface milling, and maintenance wastestreams when they are related to the forming of copper.

NR 253.03(16)(16) “New source”, as defined for new source performance standards and pretreatment standards for new sources, means any point source for which construction commenced after November 12, 1982 and from which pollutants are or may be discharged directly to the waters of the state or to a publicly owned treatment works.

NR 253.03(17)(17) “Off kilogram” and “off pound” mean the mass of copper or copper alloy removed from a forming or ancillary operation at the end of a process cycle for transfer to a different machine or process.

NR 253.03(18)(18) “Pickling bath” means a chemical bath, other than an alkaline cleaning bath, through which a workpiece is processed.

NR 253.03(19)(19) “Pickling fume scrubber” means an air pollution control device which removes particulates and fumes from air above a pickling bath by entraining the pollutants in water.

NR 253.03(20)(20) “Pickling rinse” means a rinse, other than an alkaline cleaning rinse, through which a workpiece is processed. A rinse consisting of a series of rinse tanks is considered as a single rinse.

NR 253.03(21)(21) “Pickling rinse for forged parts” means a rinse, other than an alkaline cleaning rinse, through which forged parts are processed. A rinse consisting of a series of tanks is considered as a single rinse.

NR 253.03(22)(22) “Precious metals” means gold, platinum, palladium, silver, and their alloys when the alloy contains 30% or greater percent by weight of precious metals.

NR 253.03(23)(23) “Primary forming operation” means hot rolling, cold rolling, drawing, extrusion, and forging of copper and copper alloys.

NR 253.03(24)(24) “Rolling” means reducing the thickness or diameter of a workpiece by passing it between rollers.

NR 253.03(25)(25) “Solution heat treatment” means introducing a workpiece into a quench bath for purposes of heat treatment.

NR 253.03(26)(26) “Spent lubricant” means water or an oil and water mixture which has been used in forming operations to reduce friction, heat, and wear and which is discharged.

NR 253.03(27)(27) “Surface coating” means the process of coating a copper workpiece, as well as the associated surface washing and flattening.

NR 253.03(28)(28) “Total toxic organics” and “TTO” mean the sum of the masses or concentrations of each of the following organic compounds which is found at a concentration greater than 0.010 mg/l:
anthracene
benzene
chloroform
2,6-dinitrotoluene
ethylbenzene
methylene chloride
naphthalene
N-nitrosodiphenylamine
phenanthrene
toluene
1,1,1-trichloroethane
trichlorethylene.

NR 253.03(29)(29) “Tumbling or burnishing” means polishing, deburring, removing sharp corners, and generally smoothing parts for both cosmetic and functional purposes and washing the finished parts and cleaning the abrasive media.

NR 253.03 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 253.04NR 253.04 Monitoring and reporting requirements. The following special monitoring and reporting requirements apply to all facilities subject to this chapter:

NR 253.04(1)(1) The “monthly average” regulatory values shall be the basis for the monthly average discharge in direct discharge permits and for pretreatment standards. Compliance with the monthly discharge limit is required regardless of the number of samples analyzed and averaged.

NR 253.04(2)(2) As an alternate monitoring procedure for TTO, indirect dischargers may monitor for oil and grease and meet the alternate monitoring standards for oil and grease established for PSES and PSNS. Any indirect discharger meeting the alternate monitoring standards shall be considered to meet the TTO standard.

NR 253.04 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 253.05NR 253.05 Compliance dates.

NR 253.05(1)(1) Any existing source subject to this chapter which discharges to waters of the state shall achieve:

NR 253.05(1)(a)(a) The effluent limitations representing BPT by July 1, 1977; and

NR 253.05(1)(b)(b) The effluent limitations representing BAT by July 1, 1984.

NR 253.05(2)(2) Any new source subject to this chapter which discharges to waters of the state shall achieve NSPS at the commencement of discharge.

NR 253.05(3)(3) Any existing source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSES by August 15, 1986.

NR 253.05(4)(4) Any new source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSNS at the commencement of discharge.

NR 253.05 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

subch. I of ch. NR 253Subchapter I — The Copper Forming Subcategory

NR 253.10NR 253.10 Applicability; description of the copper forming subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the forming of copper and copper alloys except beryllium copper alloys.

NR 253.10 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 253.11NR 253.11 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 to 125.32, any existing source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BPT: