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History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.113 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 may not discharge process wastewater pollutants to waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.114 New source performance standards. Any new source subject to this subchapter may not discharge process wastewater pollutants to waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.116 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 XII — Potassium dichromate
NR 230.12 Applicability; description of the potassium dichromate 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 potassium dichromate.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.122 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 may not discharge process wastewater pollutants to waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.123 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 may not discharge process wastewater pollutants to waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.124 New source performance standards. Any new source subject to this subchapter may not discharge process wastewater pollutants to waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.125 Pretreatment standards for existing sources. Except as provided in ss. NR 211.13 and 211.14, any new [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 PDF
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.126 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 may not discharge process wastewater pollutants into a POTW.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XIII — Potassium sulfate
NR 230.13 Applicability; description of the potassium sulfate 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 potassium sulfate.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.132 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 shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT.
(2) Except as provided in subs. (3), (4), and (5), process wastewater pollutants may not be discharged to waters of the state.
(3) If a process wastewater impoundment is designed, constructed, and operated to contain the precipitation from the 10-year, 24-hour rainfall event as established for the impoundment’s location by the national climatic center, national oceanic and atmospheric administration, the impoundment may discharge a volume of process wastewater equivalent to the volume of precipitation which falls within the impoundment in excess of that attributable to the 10-year, 24-hour rainfall event, when such an event occurs.
(4) During any calendar month, a process wastewater impoundment may discharge a volume equivalent to the greater of the following:
(a) The difference between the precipitation for that month which falls within the impoundment and the evaporation for that month;
(b) The difference between the mean precipitation for that month which falls within the impoundment and the mean evaporation for that month as established by the national climatic center, national oceanic and atmospheric administration for the impoundment’s location or as otherwise established if no monthly evaporation has been determined by the national climatic center.
(5) Any process wastewater discharged pursuant to sub. (4) shall comply with the following limitations:
- 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.
NR 230.133 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
(1) 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.
(2) Except as provided in sub. (3), process wastewater pollutants may not be discharged to waters of the state.
(3) If a process wastewater impoundment is designed, constructed, and operated to contain the precipitation from the 25-year, 24-hour rainfall event as established for the impoundment’s location by the national climatic center, national oceanic and atmospheric administration, the impoundment may discharge a volume of process wastewater equivalent to the volume of precipitation which falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such an event occurs.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.134 New source performance standards.
(1) Except as provided in sub. (2), any new source subject to this subchapter may not discharge process wastewater pollutants to waters of the state.
(2) If a process wastewater impoundment is designed, constructed, and operated to contain the precipitation from the 25-year, 24-hour rainfall event as established for the impoundment’s location by the national climatic center, national oceanic and atmospheric administration, the impoundment may discharge a volume of process wastewater equivalent to the volume of precipitation which falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such an event occurs.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.136 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 standards set forth in s. NR 230.134.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XIV — Sodium bicarbonate
NR 230.14 Applicability; description of the sodium bicarbonate 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 sodium bicarbonate.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.142 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.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.143 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 may not discharge process wastewater pollutants to waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.144 New source performance standards. Any new source subject to this subchapter may not discharge process wastewater pollutants to waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.146 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 XVI — Sodium chloride
NR 230.16 Applicability; description of the sodium 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 sodium chloride by the solution brine mining process and by the solar evaporation process.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.162 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
(1) Solar evaporation.
(a) Except as provided in 40 CFR 125.30 to 125.32 and par. (b), any existing point source subject to this subchapter which uses the solar evaporation procedure may not discharge process wastewater pollutants to waters of the state.
(b) If no additional pollutants are added to the bitterns during production of sodium chloride, unused bitterns may be returned to the body of water from which the process brine solution was originally withdrawn.
(2) Solution brine mining. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter which uses the solution brine mining process 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.
NR 230.163 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
(1) Solar evaporation.
(a) Except as provided in 40 CFR 125.30 to 125.32 and par. (b), any existing point source subject to this subchapter which uses the solar evaporation procedure may not discharge process wastewater pollutants to waters of the state.
(b) If no additional pollutants are added to the bitterns during production of sodium chloride, unused bitterns 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 230.164 New source performance standards.
(1) Solar evaporation.
(a) Except as provided in par. (b), any new source subject to this subchapter which uses the solar evaporation process may not discharge process wastewater pollutants to waters of the state.
(b) If no additional pollutants are added to the bitterns during production of sodium chloride, unused bitterns may be returned to the body of water from which the process brine solution was originally withdrawn.
(2) Solution brine mining. Any new source subject to this subchapter which uses the solution brine mining process may not discharge process wastewater pollutants to waters of the state.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.166 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 standards set forth in s. NR 230.164.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
Subchapter XVII — Sodium dichromate and sodium sulfate
NR 230.17 Applicability; description of the sodium dichromate and sodium sulfate 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 sodium dichromate and byproduct sodium sulfate.
History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.172 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.
NR 230.173 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 230.172 for total chromium, hexavalent chromium, and nickel.
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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.