Wisconsin Legislature: NR 254.073

NR 254.065 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.066NR 254.066 Pretreatment standards for new sources. Any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSNS:

NR 254.066 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

subch. VII of ch. NR 254Subchapter VII — Hot Forming Subcategory

NR 254.07NR 254.07 Applicability; description of hot forming subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from hot forming operations conducted in primary, section, flat, and pipe and tube mills.

NR 254.07 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.071NR 254.071 Specialized definitions. The following definitions are applicable to the terms used in this subchapter:

NR 254.071(1)(1) “Carbon hot forming operation” means hot forming operations which produce a majority, on a tonnage basis, of carbon steel products.

NR 254.071(2)(2) “Carbon steel” means steel products other than specialty steel products.

NR 254.071(3)(3) “Hot forming” means steel operations in which solidified heated steel is shaped by rolls.

NR 254.071(4)(4) “Hot strip and sheet mill” means steel hot forming operations that produce flat hot-rolled products other than plates.

NR 254.071(5)(5) “Pipe and tube mill” means steel hot forming operations that produce butt welded or seamless tubular products.

NR 254.071(6)(6) “Plate mill” means steel hot forming operations that produce flat hot rolled products which are either between 8 and 48 inches wide and over 0.23 inches thick or greater than 48 inches wide and over 0.18 inches thick.

NR 254.071(7)(7) “Primary mill” means the first hot forming steel operations performed on solidified steel after it is removed from the ingot mold, such as steel hot forming operations that reduce ingots to blooms or slabs by passing the ingots between rotating steel rolls.

NR 254.071(8)(8) “Scarfing” means steel surface conditioning operations in which flames generated by the combustion of oxygen and fuel are used to remove surface metal imperfections from slabs, billets, or blooms.

NR 254.071(9)(9) “Section mill” means steel hot forming operations that produce finished and semifinished steel products other than the products of flat, pipe and tube, plate, and hot strip and sheet mills.

NR 254.071(10)(10) “Specialty hot forming operation” means all hot forming operations other than carbon hot forming operations.

NR 254.071(11)(11) “Specialty steel” means steel products containing alloying elements, such as aluminum, chromium, cobalt, columbium, molybdenum, nickel, titanium, tungsten, vanadium, or zirconium, which are added to enhance the properties of the steel product when individual alloying elements exceed 3% or the total of all alloying elements exceeds 5%.

NR 254.071 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.072NR 254.072 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 254.072 Note(1) Within the range of 6.0 to 9.0

NR 254.072 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.073NR 254.073 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. The effluent limitations set forth in s. NR 254.072 represent BAT.

NR 254.073 HistoryHistory: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.074NR 254.074 New source performance standards. The discharge of process wastewater pollutants from any new source subject to the hot forming subchapter may not exceed the following standards:

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.