NR 254.121
NR 254.121
Specialized definitions. The following definitions are applicable to the terms used in this subchapter:
NR 254.121(1)
(1) “Fume scrubber” means wet air pollution control devices used to remove and clean fumes originating from hot coating operations.
NR 254.121(2)
(2) “Galvanizing” means coating steel products with zinc by the hot dip process including the immersion of the steel product in a molten bath of zinc metal, along with the related preceding and subsequent operations.
NR 254.121(3)
(3) “Other coatings” means coating steel products with metals other than zinc or terne metal by the hot dip process including the immersion of the steel product in a molten bath of metal, along with the related preceding and subsequent operations.
NR 254.121(4)
(4) “Strip, sheet, and miscellaneous products” means steel products other than wire products and fasteners.
NR 254.121(5)
(5) “Terne coating” means coating steel products with terne metal by the hot dip process including the immersion of the steel product in a molten bath of lead and tin, along with the related preceding and subsequent operations.
NR 254.121(6)
(6) “Wire products and fasteners” means steel wire, products manufactured from steel wire, and steel fasteners manufactured from steel wire or other steel shapes.
NR 254.121 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.122
NR 254.122
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 the application of BPT:
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See PDF for table 
NR 254.122 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
NR 254.122 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
NR 254.122 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
NR 254.122 Note
(2) Within the range of 6.0 to 9.0
NR 254.122 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.123
NR 254.123 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 the application of BAT:
-
See PDF for table NR 254.123 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
-
See PDF for table NR 254.123 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
-
See PDF for table NR 254.123 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
NR 254.123 Note
(2) Within the range of 6.0 to 9.0
NR 254.123 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.124
NR 254.124
New source performance standards. The discharge of wastewater pollutants from any new source subject to this subchapter may not exceed the following standards:
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See PDF for table NR 254.124 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
NR 254.124 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
NR 254.124 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
NR 254.124 Note
(2) Within the range of 6.0 to 9.0
NR 254.124 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.125
NR 254.125
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 standards set forth in
s. NR 254.123.
NR 254.125 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.126
NR 254.126
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 NR 254.126 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
-
See PDF for table NR 254.126 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
-
See PDF for table NR 254.126 Note
(1) The limitations for hexavalent chromium apply to galvanizing operations which discharge wastewaters from the chromate rinse step.
NR 254.126 Note
(2)Within the range of 6.0 to 9.0
NR 254.126 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.127
NR 254.127
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:
-
See PDF for table NR 254.127 Note
(1) Within the range of 6.0 to 9.0
NR 254.127 History
History: Cr.
Register, May, 1989, No. 401, eff. 6-1-89.
NR 254.127 Note
Note: The Wisconsin administrative code corresponds to the code of federal regulations as cross referenced in the following table:
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See PDF for table
