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
