NR 274.186 Pretreatment standards for new sources. Subchapter XIX — Secondary Indium
NR 274.19 Applicability; description of the secondary indium subcategory. NR 274.194 New source performance standards. NR 274.195 Pretreatment standards for existing sources. NR 274.196 Pretreatment standards for new sources. Subchapter XX — Secondary Mercury
NR 274.20 Applicability; description of the secondary mercury subcategory. NR 274.204 New source performance standards. NR 274.206 Pretreatment standards for new sources. Subchapter XXI — Primary Molybdenum and Rhenium
NR 274.21 Applicability; description of the primary molybdenum and rhenium subcategory. NR 274.212 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. NR 274.213 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. NR 274.214 New source performance standards. NR 274.216 Pretreatment standards for new sources. Subchapter XXIII — Primary Nickel and Cobalt
NR 274.23 Applicability; description of the primary nickel and cobalt subcategory. NR 274.232 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. NR 274.233 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. NR 274.234 New source performance standards. NR 274.236 Pretreatment standards for new sources. Subchapter XXIV — Secondary Nickel
NR 274.24 Applicability; description of the secondary nickel subcategory. 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 NoteNote: 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 274.001NR 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.
