Wisconsin Legislature: NR 254.082 Note

NR 254.074 Note(1) Within the range of 6.0 to 9.0

NR 254.074 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.075NR 254.075 Pretreatment standards for existing sources. Any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 254.075 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.076NR 254.076 Pretreatment standards for new sources. Any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 254.076 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.077NR 254.077 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. The BCT effluent limitations are identical to the limitations set forth in s. NR 254.072.

NR 254.077 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

subch. VIII of ch. NR 254Subchapter VIII — Salt Bath Descaling Subcategory

NR 254.08NR 254.08 Applicability; description of the salt bath descaling subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from oxidizing and reducing salt bath descaling operations.

NR 254.08 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.081NR 254.081 Specialized definitions. The following definitions are applicable to the terms used in this subchapter:

NR 254.081(1)(1) “Batch” means descaling operations in which the products are processed in discrete batches.

NR 254.081(2)(2) “Continuous” means descaling operations that remove surface scale from sheet or wire products in continuous processes.

NR 254.081(3)(3) “Oxidizing salt bath descaling” means the removal of scale from semi-finished steel products by the action of molten salt baths other than those containing sodium hydride.

NR 254.081(4)(4) “Pipe and tube batch” means descaling operations that remove surface scale from pipe and tube products in batch processes.

NR 254.081(5)(5) “Reducing salt bath descaling” means the removal of scale from semi-finished steel products by the action of molten salt baths containing sodium hydride.

NR 254.081(6)(6) “Rod and wire batch” means descaling operations that remove surface scale from rod and wire products in batch processes.

NR 254.081(7)(7) “Sheet and plate batch” means descaling operations that remove surface scale from sheet and plate products in batch processes.

NR 254.081 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.082NR 254.082 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 point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:

NR 254.082 Note(1) Within the range of 6.0 to 9.0

NR 254.082 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.083NR 254.083 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 application of BAT:

NR 254.083 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.084NR 254.084 New source performance standards. The discharge of wastewater pollutants from any new source subject to this subchapter may not exceed the limitations set forth in s. NR 254.082.

NR 254.084 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.085NR 254.085 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 limitations set forth in s. NR 254.083.

NR 254.085 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.086NR 254.086 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 limitations set forth in s. NR 254.083.

NR 254.086 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.087NR 254.087 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. 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 application of BCT:

NR 254.087 Note(1) Within the range of 6.0 to 9.0

NR 254.087 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

subch. IX of ch. NR 254Subchapter IX — Acid Pickling Subcategory

NR 254.09NR 254.09 Applicability; description of the acid pickling subcategory. This subcategory applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from sulfuric acid, hydrochloric acid, or combination acid pickling operations.

NR 254.09 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.091NR 254.091 Specialized definitions. The following definitions are applicable to the terms used in this subchapter:

NR 254.091(1)(1) “Acid recovery” means sulfuric acid pickling operations that include processes for recovering the unreacted acid from spent pickling solutions.

NR 254.091(2)(2) “Acid regeneration” means hydrochloric acid pickling operations that include processes for regenerating acid from spent pickling solutions.

NR 254.091(3)(3) “Bar, billet, and bloom” means acid pickling operations that pickle bar, billet, or bloom products.

NR 254.091(4)(4) “Batch” means pickling operations which process steel products such as coiled wire, rods, and tubes in discrete batches or bundles.

NR 254.091(5)(5) “Combination acid pickling” means operations in which steel products are immersed in solutions of more than one acid to chemically remove oxides and scale and the associated rinsing operations.

NR 254.091(6)(6) “Continuous” means pickling operations other than batch operations.

NR 254.091(7)(7) “Fume scrubber” means pollution control devices used to remove and clean fumes originating in the pickling operations.

NR 254.091(8)(8) “Hydrochloric acid pickling” means operations in which steel products are immersed in hydrochloric acid solutions to chemically remove oxides and scale and the associated rinsing operations.

NR 254.091(9)(9) “Neutralization” means acid pickling operations that do not include acid recovery or acid regeneration.

NR 254.091(10)(10) “Pipe, tube, and other” means acid pickling operations that pickle pipes, tubes, or any steel product other than a rod, wire, coil, bar, billet, bloom, strip, sheet, or plate.

NR 254.091(11)(11) “Rod, wire, and coil” means acid pickling operations that pickle rod, wire, or coiled rod and wire products.

NR 254.091(12)(12) “Spent acid solution” means solutions of steel pickling acids which have been used in the pickling process and are discharged or removed.

NR 254.091(13)(13) “Strip, sheet, and plate” means acid pickling operations that pickle strip, sheet, or plate products.

NR 254.091(14)(14) “Sulfuric acid pickling” means operations in which steel products are immersed in sulfuric acid solutions to chemically remove oxides and scale and the associated rinsing operations.

NR 254.091 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.092NR 254.092 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 point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT: