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.
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.
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.
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 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 254.073 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 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.074
NR 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:
-
See PDF for table 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 254.075
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 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.076
NR 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 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.077
NR 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 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.08
NR 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 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.081
NR 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 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.082
NR 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:
-
See PDF for table
