Subchapter IL — Oxygen and nitrogen
NR 230.49 Applicability; description of the oxygen and nitrogen subcategory.
NR 230.492 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Subchapter L — Potassium chloride
NR 230.50 Applicability; description of the potassium chloride subcategory.
NR 230.502 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.506 Pretreatment standards for new sources.
Subchapter LI — Potassium iodide
NR 230.51 Applicability; description of the potassium iodide subcategory.
NR 230.512 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Subchapter LIII — Silver nitrate
NR 230.53 Applicability; description of the silver nitrate subcategory.
NR 230.532 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.535 Pretreatment standards for existing sources.
Subchapter LIV — Sodium bisulfite
NR 230.54 Applicability; description of the sodium bisulfite subcategory.
NR 230.542 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.543 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.544 New source performance standards.
NR 230.546 Pretreatment standards for new sources.
NR 230.547 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
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.
