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NR 274.244   New source performance standards.
NR 274.245   Pretreatment standards for existing sources.
NR 274.246   Pretreatment standards for new sources.
Subchapter XXV — Primary Precious Metals and Mercury
NR 274.25   Applicability; description of the primary precious metals and mercury subcategory.
NR 274.252   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.253   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.254   New source performance standards.
NR 274.256   Pretreatment standards for new sources.
Subchapter XXVI — Secondary Precious Metals
NR 274.26   Applicability; description of the secondary precious metals subcategory.
NR 274.261   Specialized definition.
NR 274.262   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.263   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.264   New source performance standards.
NR 274.265   Pretreatment standards for existing sources.
NR 274.266   Pretreatment standards for new sources.
Subchapter XXVII — Primary Rare Earth Metals
NR 274.27   Applicability; description of the primary rare earth metals subcategory.
NR 274.271   Specialized definitions.
NR 274.274   New source performance standards.
NR 274.275   Pretreatment standards for existing sources.
NR 274.276   Pretreatment standards for new sources.
Subchapter XXVIII — Secondary Tantalum
NR 274.28   Applicability; description of the secondary tantalum subcategory.
NR 274.282   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.283   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.284   New source performance standards.
NR 274.286   Pretreatment standards for new sources.
Subchapter XXIX — Secondary Tin
NR 274.29   Applicability; description of the secondary tin subcategory.
NR 274.292   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.293   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.294   New source performance standards.
NR 274.295   Pretreatment standards for existing sources.
NR 274.296   Pretreatment standards for new sources.
Subchapter XXX — Primary and Secondary Titanium
NR 274.30   Applicability; description of the primary and secondary titanium subcategory.
NR 274.302   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.303   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.304   New source performance standards.
NR 274.305   Pretreatment standards for existing sources.
NR 274.306   Pretreatment standards for new sources.
Subchapter XXXI — Secondary Tungsten and Cobalt
NR 274.31   Applicability; description of the secondary tungsten and cobalt subcategory.
NR 274.312   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.313   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.314   New source performance standards.
NR 274.315   Pretreatment standards for existing sources.
NR 274.316   Pretreatment standards for new sources.
Subchapter XXXII — Secondary Uranium
NR 274.32   Applicability; description of the secondary uranium subcategory.
NR 274.322   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.323   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.324   New source performance standards.
NR 274.326   Pretreatment standards for new sources.
Subchapter XXXIII — Primary Zirconium and Hafnium
NR 274.33   Applicability; description of the primary zirconium and hafnium subcategory.
NR 274.332   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.333   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.334   New source performance standards.
NR 274.336   Pretreatment standards for new sources.
Ch. NR 274 Note Note: Chapter NR 274 as it existed on March 31, 1991 was repealed and a new chapter NR 274 was created effective April 1, 1991.
NR 274.001 NR 274.001 Purpose. The purpose of this chapter is to establish effluent limitations, performance standards, and pretreatment standards for discharges of process wastes from the nonferrous metals manufacturing point source category and its subcategories.
NR 274.001 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.002 NR 274.002 Applicability. This chapter applies to facilities which produce primary metals from ore concentrates and recover secondary metals from recycle wastes and which discharge or may discharge pollutants to waters of the state or which introduce or may introduce pollutants into a publicly owned treatment works. The applicability of this chapter to alloying or casting of nonferrous metals is limited to alloying or casting of hot metals directly from the nonferrous metals manufacturing process without cooling. Remelting followed by alloying or cooling is regulated by aluminum forming, 40 CFR Part 467, nonferrous metals forming, 40 CFR Part 471, or metal molding and casting, ch. NR 256.
NR 274.002 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.003 NR 274.003 General definitions. In addition to the definitions set forth in ss. NR 205.03, 205.04, and 211.03, the following definitions are applicable to the terms used in this chapter:
NR 274.003(1) (1) “Existing source” means any point source, except a new source as defined in sub. (2), from which pollutants may be discharged either into waters of the state or into a publicly owned treatment works.
NR 274.003(2) (2) “New source,” as defined for purposes of new source performance standards and pretreatment standards for new sources, 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 the following table: - See PDF for table PDF
NR 274.003(3) (3) “Primary” means the manufacture of a metal from ore concentrates or other virgin materials.
NR 274.003(4) (4) “Secondary” means the manufacture of a metal from scrap or other recycled materials.
NR 274.003 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.004 NR 274.004 Compliance dates.
NR 274.004(1)(1) Any existing source subject to this chapter which discharges to waters of the state shall achieve:
NR 274.004(1)(a) (a) The effluent limitations representing BPT by July 1, 1977; and
NR 274.004(1)(b) (b) The effluent limitations representing BAT by July 1, 1984.
NR 274.004(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 274.004(3) (3) Any existing source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSES according to the date in the following tables: - See PDF for table PDF
NR 274.004(4) (4) Any new source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSNS at the commencement of discharge.
NR 274.004 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.005 NR 274.005 Removal allowances for pretreatment standards. Removal allowances according to 40 CFR 403.7(a) may be granted for the toxic metals limited in ch. NR 274 when the toxic metals are used as indicator pollutants.
NR 274.005 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.006 NR 274.006 General provisions.
NR 274.006(1) (1) The monthly average regulatory values shall be the basis for the monthly average discharge in direct discharge permits and for pretreatment standards.
NR 274.006(2) (2) Compliance with the monthly discharge limit is required regardless of the number of samples analyzed and averaged.
subch. I of ch. NR 274 Subchapter I — Bauxite Refining
NR 274.01 NR 274.01 Applicability; description of the bauxite refining subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the refining of bauxite to alumina by the Bayer process and by the combination process.
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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.