NR 257.03(12)(12) “Forging” means the exertion of pressure on dies or rolls surrounding heated aluminum stock to force the stock to change shape and, when dies are used, to take the shape of the die. NR 257.03(13)(13) “Heat treatment” means the application of heat of specified temperature and duration to change the physical properties of the metal. NR 257.03(14)(14) “Hot water seal” means a water bath heated to approximately 180° F used to seal the surface coating on formed aluminum which has been anodized and coated. NR 257.03(15)(15) “lb/million off-lbs” means pounds of pollutant introduced into the wastestream per million pounds of aluminum or aluminum alloy removed from a forming or ancillary operation at the end of a process cycle for transfer to a different machine or process. NR 257.03(16)(16) “mg/off-kg” means milligrams of pollutant introduced into the wastestream per kilogram of aluminum or aluminum alloy removed from a forming or ancillary operation at the end of a process cycle for transfer to a different machine or process. NR 257.03(17)(17) “Neat oil” means an oil used as a lubricant with few or no added impurities. NR 257.03(18)(18) “New source” means any point source for which construction commenced after November 22, 1982 and from which pollutants may be discharged either directly into waters of the state or into a publicly owned treatment works. NR 257.03(19)(19) “Rolling” means the reduction in thickness or diameter of a workpiece by passing it between rollers lubricated with either neat oils or emulsions. NR 257.03(20)(20) “Stationary casting” means the pouring of molten aluminum into molds and allowing the metal to air cool. NR 257.03(21)(21) “TTO” means the sum of the masses or concentrations of each of the following toxic organic compounds which is found in the discharge at a concentration greater than 0.010 mg/l: NR 257.03(22)(22) “Wet scrubber” means an air pollution control device used to remove particulates and fumes from air by entraining the pollutants in a water spray. NR 257.03 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.04NR 257.04 Monitoring and reporting requirements. The following special monitoring and reporting requirements apply to all facilities subject to this chapter: NR 257.04(1)(1) Analyses for cyanide are not required when both of the following conditions are met: NR 257.04(1)(a)(a) The first wastewater sample of the calendar year has been analyzed and found to contain less than 0.07 mg/1. NR 257.04(1)(b)(b) The owner or operator of the aluminum forming facility certifies in writing to the department or control authority that cyanide is not and will not be used in the aluminum forming process. NR 257.04(2)(2) As an alternative pretreatment monitoring procedure, the POTW user may measure and limit oil and grease to the levels shown in the pretreatment standards in lieu of measuring and regulating TTO. NR 257.04(3)(3) Compliance with the maximum monthly average effluent limitations and pretreatment standards is required regardless of the number of samples analyzed and averaged. The maximum monthly average effluent limitations and pretreatment standards shall be the basis for monthly average discharge limits in direct discharge permits and for pretreatment standards. NR 257.04 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.05(1)(1) Any existing source subject to this chapter which discharges to waters of the state shall achieve; NR 257.05(1)(a)(a) The effluent limitations representing BPT by July 1, 1977; and NR 257.05(1)(b)(b) The effluent limitations representing BAT by July 1, 1984. NR 257.05(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 257.05(3)(3) Any existing source subject to this chapter which discharges process wastewater pollutants to a POTW shall achieve PSES by October 24, 1986. NR 257.05(4)(4) Any new source subject to this chapter which discharges process wastewater pollutants to a POTW shall achieve PSNS at the commencement of discharge. NR 257.05 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.06NR 257.06 Removal allowances for pretreatment standards. Removal allowances for pretreatment standards pursuant to s. NR 211.13 may be granted for the toxic metals limited by this chapter when the toxic metals are used as indicator pollutants. NR 257.06 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.10NR 257.10 Applicability; description of the rolling with neat oils subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from core and ancillary rolling with neat oils operations. NR 257.10 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.11NR 257.11 Specialized definitions. In addition to the definitions set forth in s. NR 257.03, the following definitions apply to the terms used in this subchapter: NR 257.11(1)(1) “Ancillary operation” means any operation which is not a core operation but which is performed on-site following or preceding the rolling operation, such as continuous rod casting, continuous sheet casting, solution heat treatment, and cleaning or etching. NR 257.11(2)(2) “Core operation” means rolling using neat oils, roll grinding, sawing, annealing, stationary casting, homogenizing, artificial aging, degreasing, and stamping. NR 257.11 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.12NR 257.12 Effluent limitations representing the degree of effluent reduction attainable by application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BPT: 1Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
NR 257.12 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.13NR 257.13 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BAT: NR 257.13 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.14NR 257.14 New source performance standards. Any new source subject to this subchapter shall achieve the following performance standards: 1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1Within the range of 7.0 to 10 at all times.
NR 257.14 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.15NR 257.15 Pretreatment standards for existing sources. Except as provided in ss. NR 211.13 and 211.14, any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following pretreatment standards for existing sources: NR 257.15 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.16NR 257.16 Pretreatment standards for new sources. Except as provided in s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following pretreatment standards for new sources: NR 257.16 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.20NR 257.20 Applicability; description of the rolling with emulsions subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from core and ancillary rolling with emulsions operations. NR 257.20 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.21NR 257.21 Specialized definitions. In addition to the definitions set forth in s. NR 257.03, the following definitions apply to the terms used in this subchapter: NR 257.21(1)(1) “Ancillary operation” means any operation which is not a core operation but which is performed on-site following or preceding the rolling operation, such as direct chill casting, solution heat treatment, cleaning or etching, and degassing. NR 257.21(2)(2) “Core operation” means rolling using emulsions, roll grinding, stationary casting, homogenizing, artificial aging, annealing, and sawing. NR 257.21 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.22NR 257.22 Effluent limitations representing the degree of effluent reduction attainable by application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BPT: 1 Within the range of 7.0 to 10 at all times.
1 The pH shall be maintained within the range of 7.0 to 10.0 at all times, except for those situations when this waste stream is discharged separately and without commingling with any other wastewater, in which case the pH shall be within the range of 6.0 to 10.0 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1Within the range of 7.0 to 10 at all times.
NR 257.22 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.23NR 257.23 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BAT: NR 257.23 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.24NR 257.24 New source performance standards. Any new source subject to this subchapter shall achieve the following performance standards: 1 Within the range of 7.0 to 10 at all times.
1 The pH shall be maintained within the range of 7.0 to 10.0 at all times, except for those situations when this waste stream is discharged separately and without commingling with any other wastewater, in which case the pH shall be within the range of 6.0 to 10.0 at all times.
1Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
1 Within the range of 7.0 to 10 at all times.
NR 257.24 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.25NR 257.25 Pretreatment standards for existing sources. Except as provided in ss. NR 211.13 and 211.14, any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following pretreatment standards for existing sources NR 257.25 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89. NR 257.26NR 257.26 Pretreatment standards for new sources. Except as provided in s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following pretreatment standards for new sources: NR 257.26 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89.
