Subchapter LV — Sodium fluoride
NR 230.55 Applicability; description of the sodium fluoride subcategory.
NR 230.551 Specialized definitions.
NR 230.5515 Regulation of contaminated nonprocess wastewater.
NR 230.552 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.555 Pretreatment standards for existing sources.
NR 230.556 Pretreatment standards for new sources.
Subchapter LX — Stannic oxide
NR 230.60 Applicability; description of the stannic oxide subcategory.
NR 230.601 Specialized definitions.
NR 230.6015 Regulation of contaminated nonprocess wastewater.
NR 230.602 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.606 Pretreatment standards for new sources.
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 230.001 Purpose. 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 230.002 Applicability. 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 
NR 230.002 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90.
NR 230.003
NR 230.003 General 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 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(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(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.
NR 230.01
NR 230.01 Applicability; 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 230.015 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
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.
