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(1) Within the range of 6.0 to 9.0
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XXIV — Ammonium chloride
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.241 Specialized definitions. The following definitions apply to the terms used in this subchapter:
(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.
(2) “Incidental contact” means contact resulting from:
(a) Rainfall runoff;
(b) Accidental spills;
(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
(d) Discharges from safety showers and related personal safety equipment.
(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.
(4) “Process wastewater pollutants” means pollutants present in the process wastewater.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.242 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
(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.
(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 PDF
(1) Within the range of 6.0 to 9.0
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XXVII — Borax
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XXVIII — Boric acid
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.282 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
(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.
(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 PDF
(1) Within the range of 6.0 to 9.0
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XXIX — Bromine
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XXX — Calcium carbonate
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
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 PDF
(1) Within the range of 6.0 to 9.0
- See PDF for table PDF
(1) Within the range of 6.0 to 9.0
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XXXI — Calcium hydroxide
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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.311 Specialized definitions. The following definitions apply to the terms used in this subchapter:
(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.
(2) “Incidental contact” means contact resulting from:
(a) Rainfall runoff;
(b) Accidental spills;
(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
(d) Discharges from safety showers and related personal safety equipment.
(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.
(4) “Process wastewater pollutants” means pollutants present in the process wastewater.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.312 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 into waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.316 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 may not discharge process wastewater pollutants into a POTW.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XXXIII — Carbon monoxide and byproduct hydrogen
NR 230.33 Applicability; description of the carbon monoxide and byproduct hydrogen 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 carbon monoxide and byproduct hydrogen by the reforming process.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.332 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 PDF
(1) Within the range of 6.0 to 9.0
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XXXIV - Chrome pigments
NR 230.34 Applicability; description of the chrome pigments 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 chrome yellow, chrome orange, molybdate chrome orange, anhydrous and hydrous chromium oxide, chrome green, and zinc yellow.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.342 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:
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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.