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NR 274.001   Purpose.
NR 274.002   Applicability.
NR 274.003   General definitions.
NR 274.004   Compliance dates.
NR 274.005   Removal allowances for pretreatment standards.
NR 274.006   General provisions.
Subchapter I — Bauxite Refining
NR 274.01   Applicability; description of the bauxite refining subcategory.
NR 274.011   Specialized definitions.
NR 274.012   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.013   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.014   New source performance standards.
NR 274.016   Pretreatment standards for new sources.
Subchapter II — Primary Aluminum Smelting
NR 274.02   Applicability; description of the primary aluminum smelting subcategory.
NR 274.021   Measurements not detecting benzo(a)pyrene.
NR 274.022   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.023   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.024   New source performance standards.
NR 274.026   Pretreatment standards for new sources.
Subchapter III — Secondary Aluminum Smelting
NR 274.03   Applicability; description of the secondary aluminum smelting subcategory.
NR 274.032   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.033   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.034   New source performance standards.
NR 274.035   Pretreatment standards for existing sources.
NR 274.036   Pretreatment standards for new sources.
Subchapter IV — Primary Copper Smelting
NR 274.04   Applicability; description of the primary copper smelting subcategory.
NR 274.041   Specialized definitions.
NR 274.0415   Combining waste streams.
NR 274.042   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.043   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.044   New source performance standards.
NR 274.046   Pretreatment standards for new sources.
Subchapter V — Primary Electrolytic Copper Refining
NR 274.05   Applicability; description of the primary electrolytic copper refining subcategory.
NR 274.052   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.053   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.054   New source performance standards.
NR 274.056   Pretreatment standards for new sources.
Subchapter VI — Secondary Copper
NR 274.06   Applicability; description of the secondary copper subcategory.
NR 274.061   Specialized definitions.
NR 274.062   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.063   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.064   New source performance standards.
NR 274.065   Pretreatment standards for existing sources.
NR 274.066   Pretreatment standards for new sources.
Subchapter VII — Primary Lead
NR 274.07   Applicability; description of the primary lead subcategory.
NR 274.072   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.073   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.074   New source performance standards.
NR 274.075   Pretreatment standards for existing sources.
NR 274.076   Pretreatment standards for new sources.
Subchapter VIII — Primary Zinc
NR 274.08   Applicability; description of the primary zinc subcategory.
NR 274.082   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.083   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.084   New source performance standards.
NR 274.085   Pretreatment standards for existing sources.
NR 274.086   Pretreatment standards for new sources.
Subchapter IX — Metallurgical Acid Plants
NR 274.09   Applicability; description of the metallurgical acid plants subcategory.
NR 274.092   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.093   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.094   New source performance standards.
NR 274.095   Pretreatment standards for existing sources.
NR 274.096   Pretreatment standards for new sources.
Subchapter X — Primary Tungsten
NR 274.10   Applicability; description of the primary tungsten subcategory.
NR 274.102   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.103   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.104   New source performance standards.
NR 274.105   Pretreatment standards for existing sources.
NR 274.106   Pretreatment standards for new sources.
Subchapter XI — Primary Columbium-Tantalum
NR 274.11   Applicability; description of the primary columbium-tantalum subcategory.
NR 274.112   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.113   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.114   New source performance standards.
NR 274.115   Pretreatment standards for existing sources.
NR 274.116   Pretreatment standards for new sources.
Subchapter XII — Secondary Silver
NR 274.12   Applicability; description of the secondary silver subcategory.
NR 274.122   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.123   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.124   New source performance standards.
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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.