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Subchapter XXII — Titanium dioxide
NR 230.22   Applicability; description of the titanium dioxide subcategory.
NR 230.222   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.223   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.224   New source performance standards.
NR 230.226   Pretreatment standards for new sources.
NR 230.227   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Subchapter XXIII — Aluminum fluoride
NR 230.23   Applicability; description of the aluminum fluoride subcategory.
NR 230.232   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.233   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.234   New source performance standards.
NR 230.237   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Subchapter XXIV — Ammonium chloride
NR 230.24   Applicability; description of the ammonium chloride subcategory.
NR 230.241   Specialized definitions.
NR 230.2415   Regulation of contaminated nonprocess wastewater.
NR 230.242   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Subchapter XXVII — Borax
NR 230.27   Applicability; description of the borax subcategory.
NR 230.272   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.276   Pretreatment standards for new sources.
Subchapter XXVIII — Boric acid
NR 230.28   Applicability; description of the boric acid subcategory.
NR 230.282   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Subchapter XXIX — Bromine
NR 230.29   Applicability; description of the bromine subcategory.
NR 230.292   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.296   Pretreatment standards for new sources.
Subchapter XXX — Calcium carbonate
NR 230.30   Applicability; description of the calcium carbonate subcategory.
NR 230.302   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Subchapter XXXI — Calcium hydroxide
NR 230.31   Applicability; description of the calcium hydroxide subcategory.
NR 230.311   Specialized definitions.
NR 230.312   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.316   Pretreatment standards for new sources.
Subchapter XXXIII — Carbon monoxide and byproduct hydrogen
NR 230.33   Applicability; description of the carbon monoxide and byproduct hydrogen subcategory.
NR 230.332   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Subchapter XXXIV - Chrome pigments
NR 230.34   Applicability; description of the chrome pigments subcategory.
NR 230.342   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.343   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.344   New source performance standards.
NR 230.345   Pretreatment standards for existing sources.
NR 230.346   Pretreatment standards for new sources.
NR 230.347   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Subchapter XXXV — Chromic acid
NR 230.35   Applicability; description of the chromic acid subcategory.
NR 230.352   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.356   Pretreatment standards for new sources.
Subchapter XXXVI — Copper salts
NR 230.36   Applicability; description of the copper salts subcategory.
NR 230.362   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.363   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.364   New source performance standards.
NR 230.365   Pretreatment standards for existing sources.
NR 230.366   Pretreatment standards for new sources.
NR 230.367   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Subchapter XXXVIII — Ferric chloride
NR 230.38   Applicability; description of the ferric chloride subcategory.
NR 230.381   Specialized definitions.
NR 230.3815   Regulation of contaminated nonprocess wastewater.
NR 230.382   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.385   Pretreatment standards for existing sources.
NR 230.386   Pretreatment standards for new sources.
Subchapter XL — Fluorine
NR 230.40   Applicability; description of the fluorine subcategory.
NR 230.401   Specialized definitions.
NR 230.4015   Regulation of contaminated nonprocess wastewater.
NR 230.402   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.406   Pretreatment standards for new sources.
Subchapter XLI — Hydrogen
NR 230.41   Applicability; description of the hydrogen subcategory.
NR 230.411   Specialized definitions.
NR 230.412   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Subchapter XLII — Hydrogen cyanide
NR 230.42   Applicability; description of the hydrogen cyanide subcategory.
NR 230.422   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.423   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 230.424   New source performance standards.
NR 230.426   Pretreatment standards for new sources.
NR 230.427   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Subchapter XLIII — Iodine
NR 230.43   Applicability; description of the iodine subcategory.
NR 230.431   Specialized definitions.
NR 230.432   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 230.436   Pretreatment standards for new sources.
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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.