NR 230.22
NR 230.22 Applicability; description of the titanium dioxide subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of titanium dioxide by the sulfate process, the chloride process, and the chloride-ilmenite process.
NR 230.22 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.222
NR 230.222 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:
-
See PDF for table 
NR 230.222 Note
(1) Within the range of 6.0 to 9.0
NR 230.222 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.223
NR 230.223 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 limitations set forth in
s. NR 230.222 for chromium and nickel.
NR 230.223 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.224
NR 230.224 New source performance standards. Any new source subject to this subchapter shall achieve the following NSPS:
-
See PDF for table NR 230.224 Note
(1) Within the range of 6.0 to 9.0
NR 230.224 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.226
NR 230.226 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 shall achieve the following PSNS:
-
See PDF for table NR 230.226 Note
(1) When a POTW finds that mass limitations are necessary, the PSNS shall be the standards set forth in s.
NR 230.224 for chromium, iron, and nickel. -
See PDF for table NR 230.226 Note
(1) When a POTW finds that mass limitations are necessary, the PSNS shall be the standards set forth in s.
NR 230.224 for chromium, iron, and nickel. -
See PDF for table NR 230.226 Note
(1) When a POTW finds that mass limitations are necessary, the PSNS shall be the standards set forth in s.
NR 230.224 for chromium, iron, and nickel.
NR 230.226 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.227
NR 230.227 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 limitations set forth in
s. NR 230.222 for TSS and pH.
NR 230.227 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.23
NR 230.23 Applicability; description of the aluminum fluoride subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of aluminum fluoride by the dry process in which partially dehydrated alumina hydrate is reacted with hydrofluoric acid gas.
NR 230.23 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.232
NR 230.232 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:
-
See PDF for table NR 230.232 Note
(1) Within the range of 6.0 to 9.0
NR 230.232 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.233
NR 230.233 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 limitations set forth in
s. NR 230.232 for fluoride, chromium, and nickel.
NR 230.233 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.234
NR 230.234 New source performance standards. Any new source subject to this subchapter shall achieve the standards set forth in
s. NR 230.232.
NR 230.234 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.237
NR 230.237 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 limitations set forth in
s. NR 230.232 for TSS and pH.
NR 230.237 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.24
NR 230.24 Applicability; description of the ammonium chloride subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of ammonium chloride by the reaction of anhydrous ammonia with hydrogen chloride gas and by the recovery process from Solvay process wastes.
NR 230.24 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.241
NR 230.241 Specialized definitions. The following definitions apply to the terms used in this subchapter:
NR 230.241(1)
(1) “Contaminated nonprocess wastewater" means any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, byproduct, or waste product.
NR 230.241(2)
(2) “Incidental contact" means contact resulting from:
NR 230.241(2)(c)
(c) Accidental leaks which are caused by failure of process equipment and which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and
NR 230.241(2)(d)
(d) Discharges from safety showers and related personal safety equipment.
NR 230.241(3)
(3) “Process wastewater" means any water which, during manufacturing or processing, comes into contact with or results from the production or use of any raw material, intermediate product, finished product, byproduct, or waste product, except for contaminated nonprocess wastewater.
NR 230.241(4)
(4) “Process wastewater pollutants" means pollutants present in the process wastewater.
NR 230.241 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.2415
NR 230.2415 Regulation of contaminated nonprocess wastewater. Contaminated nonprocess wastewater shall be regulated as process wastewater unless all reasonable measures have been taken to prevent, reduce, and control incidental contact and to mitigate the effects of incidental contact after it has occurred.
NR 230.2415 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.242
NR 230.242 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. NR 230.242(1)(1) Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter which reacts anhydrous ammonia with hydrogen gas may not discharge process wastewater pollutants to waters of the state.
NR 230.242(2)
(2) Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter which uses the recovery process from Solvay process wastes shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BPT:
-
See PDF for table NR 230.242 Note
(1) Within the range of 6.0 to 9.0
NR 230.242 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.27
NR 230.27 Applicability; description of the borax subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of borax by the ore mining process and by the Trona process.
NR 230.27 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.272
NR 230.272 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 may not discharge process wastewater pollutants to waters of the state, but residual brine and depleted liquor may be returned to the body of water from which the process brine solution was originally drawn.
NR 230.272 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.276
NR 230.276 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 230.272.
NR 230.276 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.28
NR 230.28 Applicability; description of the boric acid subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of boric acid from either ore mined borax or borax produced by the Trona process.
NR 230.28 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.282
NR 230.282 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. NR 230.282(1)(1) Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter which uses borax made by the Trona process may not discharge process wastewater pollutants into waters of the state, but residual brine and depleted liquor may be returned to the body of water from which the process brine solution was originally withdrawn.
NR 230.282(2)
(2) Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter which uses ore mined borax shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BPT:
-
See PDF for table NR 230.282 Note
(1) Within the range of 6.0 to 9.0
NR 230.282 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.29
NR 230.29 Applicability; description of the bromine subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of bromine by the brine mining process and by the Trona process.
NR 230.29 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.292
NR 230.292 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 may not discharge process wastewater pollutants to waters of the state, but residual brine and depleted liquor may be returned to the body of water from which the process brine solution was originally withdrawn.
NR 230.292 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.296
NR 230.296 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 230.292.
NR 230.296 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.30
NR 230.30 Applicability; description of the calcium carbonate subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of calcium carbonate by the milk of lime process and by the recovery process from Solvay process wastes.
NR 230.30 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.302
NR 230.302 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:
-
See PDF for table NR 230.302 Note
(1) Within the range of 6.0 to 9.0
NR 230.302 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.31
NR 230.31 Applicability; description of the calcium hydroxide subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of calcium hydroxide by the lime slaking process.
NR 230.31 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.311
NR 230.311 Specialized definitions. The following definitions apply to the terms used in this subchapter:
NR 230.311(1)
(1) “Contaminated nonprocess wastewater" means any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, byproduct, or waste product, if all reasonable measures have been taken to prevent, reduce, and control incidental contact and to mitigate the effects of incidental contact after it has occurred.
NR 230.311(2)
(2) “Incidental contact" means contact resulting from:
