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Subchapter LXIII — Zinc sulfate
NR 230.63   Applicability; description of the zinc sulfate subcategory.
NR 230.631   Specialized definitions.
NR 230.6315   Regulation of contaminated nonprocess wastewater.
NR 230.632   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.636   Pretreatment standards for new sources.
Subchapter LXIV — Cadmium pigments and salts
NR 230.64   Applicability; description of the cadmium pigments and salts subcategory.
NR 230.642   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.643   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.644   New source performance standards.
NR 230.645   Pretreatment standards for existing sources.
NR 230.646   Pretreatment standards for new sources.
NR 230.647   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Subchapter LXV — Cobalt salts
NR 230.65   Applicability; description of the cobalt salts subcategory.
NR 230.652   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.653   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.654   New source performance standards.
NR 230.655   Pretreatment standards for existing sources.
NR 230.656   Pretreatment standards for new sources.
NR 230.657   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Subchapter LXVI — Sodium chlorate
NR 230.66   Applicability; description of the sodium chlorate subcategory.
NR 230.662   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.663   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.664   New source performance standards.
NR 230.666   Pretreatment standards for new sources.
NR 230.667   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Subchapter LXVII — Zinc chloride
NR 230.67   Applicability; description of the zinc chloride subcategory.
NR 230.672   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.673   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.674   New source performance standards.
NR 230.675   Pretreatment standards for existing sources.
NR 230.676   Pretreatment standards for new sources.
NR 230.677   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
NR 230.001 NR 230.001Purpose. The purpose of this chapter is to establish effluent limitations, performance standards, and pretreatment standards for discharges of process wastes from the inorganic chemicals manufacturing point source category and its subcategories.
NR 230.001 History History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.002 NR 230.002Applicability. This chapter applies to any manufacturing operation which discharges or may discharge process wastewater pollutants to waters of the state or into a publicly owned treatment works and which produces any of the inorganic chemicals listed in table A: - See PDF for table PDF
NR 230.002 History History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.003 NR 230.003General definitions. The following definitions are applicable to the terms used in this chapter. Definitions of other terms and abbreviations are set forth in ss. NR 205.03, 205.04, and 211.03.
NR 230.003(1) (1) “Antimony" means the total antimony present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(2) (2) “Arsenic" means the total arsenic present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(3) (3) “Bitterns" means the saturated brine solution remaining after precipitation of sodium chloride in the solar evaporation process.
NR 230.003(4) (4) “Cadmium" means the total cadmium present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(5) (5) “Chlorine" means the total residual chlorine present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(6) (6) “Chromium" means the total chromium present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(7) (7) “Cobalt" means the total cobalt present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(8) (8) “Copper" means the total copper present in the process wastewater stream exiting the treatment system.
NR 230.003(9) (9) “Cyanide A" means cyanides amenable to chlorination as determined by the methods set forth in ch. NR 219, Table B, for parameter 24.
NR 230.003(10) (10) “Existing source" means any point source, except a new source as defined in sub. (13), from which pollutants may be discharged either into waters of the state or into a publicly owned treatment works.
NR 230.003(11) (11) “Lead" means the total lead present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(12) (12) “Mercury" means the total mercury present in the process wastewater stream exiting the mercury treatment system.
NR 230.003(13) (13) “New source" means any point source from which pollutants are or may be discharged directly to waters of the state or into a publicly owned treatment works and for which construction commenced after the date given in table B: - See PDF for table PDF
NR 230.003(14) (14) “Nickel" means the total nickel present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(15) (15) “Selenium" means the total selenium present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003(16) (16) “Zinc" means the total zinc present in the process wastewater stream exiting the wastewater treatment system.
NR 230.003 History History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.004 NR 230.004Compliance dates.
NR 230.004(1) (1) Any existing source subject to this chapter which discharges to waters of the state shall achieve:
NR 230.004(1)(a) (a) The effluent limitations representing BPT by July 1, 1977; and
NR 230.004(1)(b) (b) The effluent limitations representing BAT by July 1, 1984.
NR 230.004(2) (2) Any new source subject to this chapter which discharges to waters of the state shall achieve NSPS at the commencement of discharge.
NR 230.004(3) (3) Any existing source subject to the aluminum chloride, aluminum sulfate, potassium dichromate, ferric chloride, lead monoxide, silver nitrate, or sodium fluoride subcategory which discharges process wastewater pollutants to a POTW shall achieve PSES by July 20, 1980.
NR 230.004(4) (4) Any existing source subject to the copper salts, nickel salts, cadmium pigments and salts, cobalt salts, or zinc chloride subcategory which discharges process wastewater pollutants to a POTW shall achieve PSES by August 22, 1987, except for discharges from copper sulfate and nickel sulfate manufacturing operations.
NR 230.004(5) (5) Any existing source not subject to sub. (3) or (4) which discharges process wastewater pollutants to a POTW shall achieve PSES by June 29, 1985.
NR 230.004(6) (6) Any new source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSNS at the commencement of discharge.
NR 230.004 History History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
subch. I of ch. NR 230 Subchapter I — Aluminum chloride
NR 230.01 NR 230.01Applicability; description of the aluminum 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 aluminum chloride.
NR 230.01 History History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.015 NR 230.015Pretreatment 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 the pH of the discharge shall be within the range of 5.0 to 10.0.
NR 230.015 History History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
subch. II of ch. NR 230 Subchapter II — Aluminum sulfate
NR 230.02 NR 230.02Applicability; description of the aluminum 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 aluminum sulfate.
NR 230.02 History History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.022 NR 230.022Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.022(1)(1) Except as provided in 40 CFR125.30 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.
NR 230.022(2) (2) Except as provided in subs. (3), (4), and (5), process wastewater pollutants may not be discharged to waters of the state.
NR 230.022(3) (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 the precipitation attributable to the 10-year, 24-hour rainfall event, when such an event occurs.
NR 230.022(4) (4) During any calendar month, a process wastewater impoundment may discharge a volume equivalent to whatever is the greater of the following:
NR 230.022(4)(a) (a) The difference between the precipitation for that month which falls within the impoundment and the evaporation for that month; or
NR 230.022(4)(b) (b) The difference between the mean precipitation for that month which falls within the impoundment and the mean evaporation for that month as established for the impoundment's location by the national climatic center, national oceanic and atmospheric administration or as otherwise established if no monthly evaporation has been determined by the national climatic center.
NR 230.022(5) (5) Any process wastewater discharged according to sub. (3) shall comply with the following effluent limitations representing BPT: - See PDF for table PDF
NR 230.022 Note (1)Within the range of 6.0 to 9.0
NR 230.022 History History: Cr. Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.023 NR 230.023Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
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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.