Wisconsin Legislature: NR 254.047

NR 254.035 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.036 NR 254.036 Pretreatment standards for new sources. Except as provided in s. NR 211.13, a new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSNS: - See PDF for table

NR 254.036 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

subch. IV of ch. NR 254 Subchapter IV — Steelmaking Subcategory

NR 254.04 NR 254.04 Applicability; description of the steelmaking subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from steelmaking operations conducted in basic oxygen, open hearth, and electric arc furnaces.

NR 254.04 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.041 NR 254.041 Specialized definitions. The following definitions are applicable to the terms used in the steelmaking subcategory:

NR 254.041(1) (1) “Basic oxygen furnace steelmaking” means the production of steel from any combination of molten iron, steel scrap, and fluxes in refractory lined furnaces by adding oxygen.

NR 254.041(2) (2) “Electric arc furnace steelmaking” means the production of steel principally from steel scrap and fluxes in refractory lined furnaces by passing an electric current through the scrap or steel bath.

NR 254.041(3) (3) “Open combustion” means basic oxygen furnace steel making wet air cleaning systems which are designed to allow excess air to enter the air pollution control system for the purpose of combusting the carbon monoxide furnace gases.

NR 254.041(4) (4) “Open hearth furnace steelmaking” means the production of steel from any combination of molten iron, steel scrap, and fluxes in refractory lined fuel fired furnaces equipped with regenerative chambers to recover heat from the flue and combustion gases.

NR 254.041(5) (5) “Semi-wet” means steelmaking air cleaning systems that use water for the sole purpose of conditioning the temperature and humidity of furnace gases such that the gases may be cleaned in dry air pollution control systems.

NR 254.041(6) (6) “Suppressed combustion” means basic oxygen furnace steelmaking wet air cleaning systems which are designed to limit or suppress the combustion of carbon monoxide in furnace gases by restricting the amount of excess air entering the air pollution control system.

NR 254.041(7) (7) “Wet” means steelmaking air cleaning systems that primarily use water for furnace gas cleaning.

NR 254.041 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.042 NR 254.042 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. Semi-wet basic oxygen furnace steelmaking operations and semi-wet electric arc furnace steelmaking operations may not discharge process wastewater pollutants to waters of the state. - See PDF for table

NR 254.042 Note (1) Within the range of 6.0 to 9.0 - See PDF for table

NR 254.042 Note (1) Within the range of 6.0 to 9.0

NR 254.042 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.043 NR 254.043 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. Semi-wet basic oxygen furnace steelmaking operations and semi-wet electric arc furnace steelmaking operations may not discharge process wastewater pollutants to waters of the state. - See PDF for table

- See PDF for table

NR 254.043 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.044 NR 254.044 New source performance standards. The discharge of wastewater pollutants from any new source subject to this subchapter may not exceed the following standards: - See PDF for table

NR 254.044 Note (1) Within the range of 6.0 to 9.0 - See PDF for table

NR 254.044 Note (1) Within the range of 6.0 to 9.0

NR 254.044 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.045 NR 254.045 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 PSES: - See PDF for table

- See PDF for table

NR 254.045 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.046 NR 254.046 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 PSNS: - See PDF for table

- See PDF for table

NR 254.046 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.047 NR 254.047 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. Semi-wet basic oxygen furnace steelmaking operations and semi-wet electric arc furnace operations may not discharge process wastewater pollutants to waters of the state.

NR 254.047 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

subch. V of ch. NR 254 Subchapter V — Vacuum Degassing Subcategory

NR 254.05 NR 254.05 Applicability; description of the vacuum degassing subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from vacuum degassing operations conducted by applying a vacuum to molten steel.

NR 254.05 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.052 NR 254.052 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: - See PDF for table

NR 254.052 Note (1) Within the range of 6.0 to 9.0

NR 254.052 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.053 NR 254.053 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: - See PDF for table

NR 254.053 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.054 NR 254.054 New source performance standards. The discharge of wastewater pollutants from any new source subject to this subchapter may not exceed the following standards: - See PDF for table

NR 254.054 Note (1) Within the range of 6.0 to 9.0

NR 254.054 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.055 NR 254.055 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 PSES: - See PDF for table

NR 254.055 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.056 NR 254.056 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: - See PDF for table

NR 254.056 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

subch. VI of ch. NR 254 Subchapter VI — Continuous Casting Subcategory

NR 254.06 NR 254.06 Applicability; description of the continuous casting subcategory. This subcategory applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the continuous casting of molten steel into intermediate or semifinished steel products through water cooled molds.

NR 254.06 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.062 NR 254.062 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: - See PDF for table

NR 254.062 Note (1) Within the range of 6.0 to 9.0

NR 254.062 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.063 NR 254.063 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: - See PDF for table

NR 254.063 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.064 NR 254.064 New source performance standards. The discharge of process wastewater pollutants from any new source subject to this subchapter may not exceed the following standards: - See PDF for table

NR 254.064 Note (1) Within the range of 6.0 to 9.0

NR 254.064 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.

NR 254.065 NR 254.065 Pretreatment standards for existing sources. Except as provided in ss. NR 211.13 and 211.14, any existing source subject to the continuous casting subcategory which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSES: - See PDF for table

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

NR 254.066 NR 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: - See PDF for table

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

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

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

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

NR 254.072 NR 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: - See PDF for table