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FEDERAL · 40 CFR

Part 421 — Nonferrous Metals Manufacturing Point Source Category

248 sections · Title 40: Protection of Environment

§ 421.1Applicability.
§ 421.2§ 421.2 [Reserved]
§ 421.3Monitoring and reporting requirements.
§ 421.4Compliance date for pretreatment standards for existing sources (PSES).
§ 421.5Removal allowances for pretreatment standards.
§ 421.10Applicability; description of the bauxite refining subcategory.
§ 421.11Specialized definitions.
§ 421.12Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.13Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.14§ 421.14 [Reserved]
§ 421.15Standards of performance for new sources.
§ 421.16Pretreatment standards for new sources.
§ 421.20Applicability: description of the primary aluminum smelting subcategory.
§ 421.21Specialized definitions.
§ 421.22Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.23Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.24Standards of performance for new sources.
§ 421.25§ 421.25 [Reserved]
§ 421.26Pretreatment standards for new sources.
§ 421.27§ 421.27 [Reserved]
§ 421.30Applicability: Description of the secondary aluminum smelting subcategory.
§ 421.31Specialized definitions.
§ 421.32Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.33Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.34Standards of performance for new sources.
§ 421.35Pretreatment standards for existing sources.
§ 421.36Pretreatment standards for new sources.
§ 421.37§ 421.37 [Reserved]
§ 421.40Applicability: Description of the primary copper smelting subcategory.
§ 421.41Specialized definitions.
§ 421.42Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.43Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.44Standards of performance for new sources.
§ 421.45§ 421.45 [Reserved]
§ 421.46Pretreatment standards for new sources.
§ 421.47§ 421.47 [Reserved]
§ 421.50Applicability: Description of the primary electrolytic copper refining subcategory.
§ 421.51Specialized definitions.
§ 421.52Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.53Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.54Standards of performance for new sources.
§ 421.55§ 421.55 [Reserved]
§ 421.56Pretreatment standards for new sources.
§ 421.57§ 421.57 [Reserved]
§ 421.60Applicability: Description of the secondary copper subcategory.
§ 421.61Specialized definitions.
§ 421.62Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.63Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.64Standards of performance for new sources.
§ 421.65Pretreatment standards for existing sources.
§ 421.66Pretreatment standards for new sources.
§ 421.67§ 421.67 [Reserved]
§ 421.70Applicability: Description of the primary lead subcategory.
§ 421.71Specialized definitions.
§ 421.72Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.73Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.74Standards of performance for new sources.
§ 421.75Pretreatment standards for existing sources.
§ 421.76Pretreatment standards for new sources.
§ 421.77§ 421.77 [Reserved]
§ 421.80Applicability: Description of the primary zinc subcategory.
§ 421.81Specialized definitions.
§ 421.82Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.83Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.84Standards of performance for new sources.
§ 421.85Pretreatment standards for existing sources.
§ 421.86Pretreatment standards for new sources.
§ 421.87§ 421.87 [Reserved]
§ 421.90Applicability: Description of the metallurgical acid plants subcategory.
§ 421.91Specialized definitions.
§ 421.92Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.93Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.94Standards of performance for new sources.
§ 421.95Pretreatment standards for existing sources.
§ 421.96Pretreatment standards for new sources.
§ 421.97§ 421.97 [Reserved]
§ 421.100Applicability: Description of the primary tungsten subcategory.
§ 421.101Specialized definitions.
§ 421.102Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.103Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.104Standards of performance for new sources.
§ 421.105Pretreatment standards for existing sources.
§ 421.106Pretreatment standards for new sources.
§ 421.107§ 421.107 [Reserved]
§ 421.110Applicability: Description of the primary columbium-tantalum subcategory.
§ 421.111Specialized definitions.
§ 421.112Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.113Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.114Standards of performance for new sources.
§ 421.115Pretreatment standards for existing sources.
§ 421.116Pretreatment standards for new sources.
§ 421.117§ 421.117 [Reserved]
§ 421.120Applicability: Description of the secondary silver subcategory.
§ 421.121Specialized definitions.
§ 421.122Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.123Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.124Standards of performance for new sources.
§ 421.125Pretreatment standards for existing sources.
§ 421.126Pretreatment standards for new sources.
§ 421.127§ 421.127 [Reserved]
§ 421.130Applicability: Description of the secondary lead subcategory.
§ 421.131Specialized definitions.
§ 421.132Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.133Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.134Standards of performance for new sources.
§ 421.135Pretreatment standards for existing sources.
§ 421.136Pretreatment standards for new sources.
§ 421.137§ 421.137 [Reserved]
§ 421.140Applicability: Description of the primary antimony subcategory.
§ 421.141Specialized definitions.
§ 421.142Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.143Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.144Standards of performance for new sources.
§ 421.145§ 421.145 [Reserved]
§ 421.146Pretreatment standards for new sources.
§ 421.147§ 421.147 [Reserved]
§ 421.150Applicability: Description of the primary beryllium subcategory.
§ 421.151Specialized definitions.
§ 421.152Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.153Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.154Standards of performance for new sources.
§ 421.155§ 421.155 [Reserved]
§ 421.156Pretreatment standards for new sources.
§ 421.157§ 421.157 [Reserved]
§ 421.180Applicability: Description of the primary and secondary germanium and gallium subcategory.
§ 421.181Specialized definitions.
§ 421.182Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.183Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.184Standards of performance for new sources.
§ 421.185Pretreatment standards for existing sources.
§ 421.186Pretreatment standards for new sources.
§ 421.187§ 421.187 [Reserved]
§ 421.190Applicability: Description of the secondary indium subcategory.
§ 421.191Specialized definitions.
§ 421.192-421.193§§ 421.192-421.193 [Reserved]
§ 421.194Standards of performance for new sources.
§ 421.195Pretreatment standards for existing sources.
§ 421.196Pretreatment standards for new sources.
§ 421.197§ 421.197 [Reserved]
§ 421.200Applicability: Description of the secondary mercury subcategory.
§ 421.201Specialized definitions.
§ 421.202-421.203§§ 421.202-421.203 [Reserved]
§ 421.204Standards of performance for new sources.
§ 421.205§ 421.205 [Reserved]
§ 421.206Pretreatment standards for new sources.
§ 421.207§ 421.207 [Reserved]
§ 421.210Applicability: Description of the primary molybdenum and rhenium subcategory.
§ 421.211Specialized definitions.
§ 421.212Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.213Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.214Standards of performance for new sources.
§ 421.215§ 421.215 [Reserved]
§ 421.216Pretreatment standards for new sources.
§ 421.217§ 421.217 [Reserved]
§ 421.220Applicability: Description of the secondary molybdenum and vanadium subcategory.
§ 421.221Specialized definitions.
§ 421.222Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.223Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.224Standards of performance for new sources.
§ 421.225§ 421.225 [Reserved]
§ 421.226Pretreatment standards for new sources.
§ 421.227§ 421.227 [Reserved]
§ 421.230Applicability: Description of the primary nickel and cobalt subcategory.
§ 421.231Specialized definitions.
§ 421.232Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.233Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.234Standards of performance for new sources.
§ 421.235§ 421.235 [Reserved]
§ 421.236Pretreatment standards for new sources.
§ 421.237§ 421.237 [Reserved]
§ 421.240Applicability: Description of the secondary nickel subcategory.
§ 421.241Specialized definitions.
§ 421.242-421.243§§ 421.242-421.243 [Reserved]
§ 421.244Standards of performance for new sources.
§ 421.245Pretreatment standards for existing sources.
§ 421.246Pretreatment standards for new sources.
§ 421.247§ 421.247 [Reserved]
§ 421.250Applicability: Description of the primary precious metals and mercury subcategory.
§ 421.251Specialized definitions.
§ 421.252Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.253Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.254Standards of performance for new sources.
§ 421.255§ 421.255 [Reserved]
§ 421.256Pretreatment standards for new sources.
§ 421.257§ 421.257 [Reserved]
§ 421.260Applicability: Description of the secondary precious metals subcategory.
§ 421.261Specialized definitions.
§ 421.262Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.263Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.264Standards of performance for new sources.
§ 421.265Pretreatment standards for existing sources.
§ 421.266Pretreatment standards for new sources.
§ 421.267§ 421.267 [Reserved]
§ 421.270Applicability: Description of the primary rare earth metals subcategory.
§ 421.271Specialized definitions.
§ 421.272-421.273§§ 421.272-421.273 [Reserved]
§ 421.274Standards of performance for new sources.
§ 421.275Pretreatment standards for existing sources.
§ 421.276Pretreatment standards for new sources.
§ 421.277§ 421.277 [Reserved]
§ 421.280Applicability: Description of the secondary tantalum subcategory.
§ 421.281Specialized definitions.
§ 421.282Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.283Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.284Standards of performance for new sources.
§ 421.285§ 421.285 [Reserved]
§ 421.286Pretreatment standards for new sources.
§ 421.287§ 421.287 [Reserved]
§ 421.290Applicability: Description of the secondary tin subcategory.
§ 421.291Specialized definitions.
§ 421.292Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.293Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.294Standards of performance for new sources.
§ 421.295Pretreatment standards for existing sources.
§ 421.296Pretreatment standards for new sources.
§ 421.297§ 421.297 [Reserved]
§ 421.300Applicability: Description of the primary and secondary titanium subcategory.
§ 421.301Specialized definitions.
§ 421.302Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.303Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.304Standards of performance for new sources.
§ 421.305Pretreatment standards for existing sources.
§ 421.306Pretreatment standards for new sources.
§ 421.307§ 421.307 [Reserved]
§ 421.310Applicability: Description of the secondary tungsten and cobalt subcategory.
§ 421.311Specialized definitions.
§ 421.312Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.313Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.314Standards of performance for new sources.
§ 421.315Pretreatment standards for existing sources.
§ 421.316Pretreatment standards for new sources.
§ 421.317§ 421.317 [Reserved]
§ 421.320Applicability: Description of the secondary uranium subcategory.
§ 421.321Specialized definitions.
§ 421.322Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.323Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.324Standards of performance for new sources.
§ 421.325§ 421.325 [Reserved]
§ 421.326Pretreatment standards for new sources.
§ 421.327§ 421.327 [Reserved]
§ 421.330Applicability: Description of the primary zirconium and hafnium subcategory.
§ 421.331Specialized definitions.
§ 421.332Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.333Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.334Standards of performance for new sources.
§ 421.335§ 421.335 [Reserved]
§ 421.336Pretreatment standards for new sources.
§ 421.337§ 421.337 [Reserved]