NR 254.071 NR 254.071Specialized 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 254.072Effluent 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 PDF
NR 254.072 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.072 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.072 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.072 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.072 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.072 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.072 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.072 Note (1) Within the range of 6.0 to 9.0
NR 254.072 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.073 NR 254.073Effluent 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.074 NR 254.074New 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: - See PDF for table PDF
NR 254.074 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.074 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.074 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.074 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.074 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.074 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.074 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.074 Note (1) Within the range of 6.0 to 9.0
NR 254.074 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.075 NR 254.075Pretreatment 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.076 NR 254.076Pretreatment 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.077 NR 254.077Effluent 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
subch. VIII of ch. NR 254 Subchapter VIII — Salt Bath Descaling Subcategory
NR 254.08 NR 254.08Applicability; 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.081 NR 254.081Specialized 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.082 NR 254.082Effluent 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 PDF
NR 254.082 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.082 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.082 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.082 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.082 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.082 Note (1) Within the range of 6.0 to 9.0
NR 254.082 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.083 NR 254.083Effluent 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 PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF
NR 254.083 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.084 NR 254.084New 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.085 NR 254.085Pretreatment 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.086 NR 254.086Pretreatment 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.087 NR 254.087Effluent 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: - See PDF for table PDF
NR 254.087 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.087 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.087 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.087 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.087 Note (1) Within the range of 6.0 to 9.0 - See PDF for table PDF
NR 254.087 Note (1) Within the range of 6.0 to 9.0
NR 254.087 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
subch. IX of ch. NR 254 Subchapter IX — Acid Pickling Subcategory
NR 254.09 NR 254.09Applicability; 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 History History: Cr. Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.091 NR 254.091Specialized 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.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.