Title 40, Part 421 — Nonferrous Metals Manufacturing Point Source Category
248 sections
Section 421.1
Applicability.
Section 421.2
[Reserved]
Section 421.3
Monitoring and reporting requirements.
Section 421.4
Compliance date for pretreatment standards for existing sources (PSES).
Section 421.5
Removal allowances for pretreatment standards.
Section 421.10
Applicability; description of the bauxite refining subcategory.
Section 421.11
Specialized definitions.
Section 421.12
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.13
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.14
[Reserved]
Section 421.15
Standards of performance for new sources.
Section 421.16
Pretreatment standards for new sources.
Section 421.20
Applicability: description of the primary aluminum smelting subcategory.
Section 421.21
Specialized definitions.
Section 421.22
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.23
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.24
Standards of performance for new sources.
Section 421.25
[Reserved]
Section 421.26
Pretreatment standards for new sources.
Section 421.27
[Reserved]
Section 421.30
Applicability: Description of the secondary aluminum smelting subcategory.
Section 421.31
Specialized definitions.
Section 421.32
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.33
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.34
Standards of performance for new sources.
Section 421.35
Pretreatment standards for existing sources.
Section 421.36
Pretreatment standards for new sources.
Section 421.37
[Reserved]
Section 421.40
Applicability: Description of the primary copper smelting subcategory.
Section 421.41
Specialized definitions.
Section 421.42
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.43
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.44
Standards of performance for new sources.
Section 421.45
[Reserved]
Section 421.46
Pretreatment standards for new sources.
Section 421.47
[Reserved]
Section 421.50
Applicability: Description of the primary electrolytic copper refining subcategory.
Section 421.51
Specialized definitions.
Section 421.52
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.53
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.54
Standards of performance for new sources.
Section 421.55
[Reserved]
Section 421.56
Pretreatment standards for new sources.
Section 421.57
[Reserved]
Section 421.60
Applicability: Description of the secondary copper subcategory.
Section 421.61
Specialized definitions.
Section 421.62
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.63
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.64
Standards of performance for new sources.
Section 421.65
Pretreatment standards for existing sources.
Section 421.66
Pretreatment standards for new sources.
Section 421.67
[Reserved]
Section 421.70
Applicability: Description of the primary lead subcategory.
Section 421.71
Specialized definitions.
Section 421.72
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.73
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.74
Standards of performance for new sources.
Section 421.75
Pretreatment standards for existing sources.
Section 421.76
Pretreatment standards for new sources.
Section 421.77
[Reserved]
Section 421.80
Applicability: Description of the primary zinc subcategory.
Section 421.81
Specialized definitions.
Section 421.82
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.83
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.84
Standards of performance for new sources.
Section 421.85
Pretreatment standards for existing sources.
Section 421.86
Pretreatment standards for new sources.
Section 421.87
[Reserved]
Section 421.90
Applicability: Description of the metallurgical acid plants subcategory.
Section 421.91
Specialized definitions.
Section 421.92
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.93
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.94
Standards of performance for new sources.
Section 421.95
Pretreatment standards for existing sources.
Section 421.96
Pretreatment standards for new sources.
Section 421.97
[Reserved]
Section 421.100
Applicability: Description of the primary tungsten subcategory.
Section 421.101
Specialized definitions.
Section 421.102
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.103
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.104
Standards of performance for new sources.
Section 421.105
Pretreatment standards for existing sources.
Section 421.106
Pretreatment standards for new sources.
Section 421.107
[Reserved]
Section 421.110
Applicability: Description of the primary columbium-tantalum subcategory.
Section 421.111
Specialized definitions.
Section 421.112
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.113
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.114
Standards of performance for new sources.
Section 421.115
Pretreatment standards for existing sources.
Section 421.116
Pretreatment standards for new sources.
Section 421.117
[Reserved]
Section 421.120
Applicability: Description of the secondary silver subcategory.
Section 421.121
Specialized definitions.
Section 421.122
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.123
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.124
Standards of performance for new sources.
Section 421.125
Pretreatment standards for existing sources.
Section 421.126
Pretreatment standards for new sources.
Section 421.127
[Reserved]
Section 421.130
Applicability: Description of the secondary lead subcategory.
Section 421.131
Specialized definitions.
Section 421.132
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.133
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.134
Standards of performance for new sources.
Section 421.135
Pretreatment standards for existing sources.
Section 421.136
Pretreatment standards for new sources.
Section 421.137
[Reserved]
Section 421.140
Applicability: Description of the primary antimony subcategory.
Section 421.141
Specialized definitions.
Section 421.142
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.143
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.144
Standards of performance for new sources.
Section 421.145
[Reserved]
Section 421.146
Pretreatment standards for new sources.
Section 421.147
[Reserved]
Section 421.150
Applicability: Description of the primary beryllium subcategory.
Section 421.151
Specialized definitions.
Section 421.152
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.153
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.154
Standards of performance for new sources.
Section 421.155
[Reserved]
Section 421.156
Pretreatment standards for new sources.
Section 421.157
[Reserved]
Section 421.180
Applicability: Description of the primary and secondary germanium and gallium subcategory.
Section 421.181
Specialized definitions.
Section 421.182
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.183
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.184
Standards of performance for new sources.
Section 421.185
Pretreatment standards for existing sources.
Section 421.186
Pretreatment standards for new sources.
Section 421.187
[Reserved]
Section 421.190
Applicability: Description of the secondary indium subcategory.
Section 421.191
Specialized definitions.
Section 421.192-421.193
§§ 421.192-421.193 [Reserved]
Section 421.194
Standards of performance for new sources.
Section 421.195
Pretreatment standards for existing sources.
Section 421.196
Pretreatment standards for new sources.
Section 421.197
[Reserved]
Section 421.200
Applicability: Description of the secondary mercury subcategory.
Section 421.201
Specialized definitions.
Section 421.202-421.203
§§ 421.202-421.203 [Reserved]
Section 421.204
Standards of performance for new sources.
Section 421.205
[Reserved]
Section 421.206
Pretreatment standards for new sources.
Section 421.207
[Reserved]
Section 421.210
Applicability: Description of the primary molybdenum and rhenium subcategory.
Section 421.211
Specialized definitions.
Section 421.212
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.213
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.214
Standards of performance for new sources.
Section 421.215
[Reserved]
Section 421.216
Pretreatment standards for new sources.
Section 421.217
[Reserved]
Section 421.220
Applicability: Description of the secondary molybdenum and vanadium subcategory.
Section 421.221
Specialized definitions.
Section 421.222
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.223
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.224
Standards of performance for new sources.
Section 421.225
[Reserved]
Section 421.226
Pretreatment standards for new sources.
Section 421.227
[Reserved]
Section 421.230
Applicability: Description of the primary nickel and cobalt subcategory.
Section 421.231
Specialized definitions.
Section 421.232
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.233
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.234
Standards of performance for new sources.
Section 421.235
[Reserved]
Section 421.236
Pretreatment standards for new sources.
Section 421.237
[Reserved]
Section 421.240
Applicability: Description of the secondary nickel subcategory.
Section 421.241
Specialized definitions.
Section 421.242-421.243
§§ 421.242-421.243 [Reserved]
Section 421.244
Standards of performance for new sources.
Section 421.245
Pretreatment standards for existing sources.
Section 421.246
Pretreatment standards for new sources.
Section 421.247
[Reserved]
Section 421.250
Applicability: Description of the primary precious metals and mercury subcategory.
Section 421.251
Specialized definitions.
Section 421.252
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.253
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.254
Standards of performance for new sources.
Section 421.255
[Reserved]
Section 421.256
Pretreatment standards for new sources.
Section 421.257
[Reserved]
Section 421.260
Applicability: Description of the secondary precious metals subcategory.
Section 421.261
Specialized definitions.
Section 421.262
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.263
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.264
Standards of performance for new sources.
Section 421.265
Pretreatment standards for existing sources.
Section 421.266
Pretreatment standards for new sources.
Section 421.267
[Reserved]
Section 421.270
Applicability: Description of the primary rare earth metals subcategory.
Section 421.271
Specialized definitions.
Section 421.272-421.273
§§ 421.272-421.273 [Reserved]
Section 421.274
Standards of performance for new sources.
Section 421.275
Pretreatment standards for existing sources.
Section 421.276
Pretreatment standards for new sources.
Section 421.277
[Reserved]
Section 421.280
Applicability: Description of the secondary tantalum subcategory.
Section 421.281
Specialized definitions.
Section 421.282
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.283
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.284
Standards of performance for new sources.
Section 421.285
[Reserved]
Section 421.286
Pretreatment standards for new sources.
Section 421.287
[Reserved]
Section 421.290
Applicability: Description of the secondary tin subcategory.
Section 421.291
Specialized definitions.
Section 421.292
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.293
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.294
Standards of performance for new sources.
Section 421.295
Pretreatment standards for existing sources.
Section 421.296
Pretreatment standards for new sources.
Section 421.297
[Reserved]
Section 421.300
Applicability: Description of the primary and secondary titanium subcategory.
Section 421.301
Specialized definitions.
Section 421.302
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.303
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.304
Standards of performance for new sources.
Section 421.305
Pretreatment standards for existing sources.
Section 421.306
Pretreatment standards for new sources.
Section 421.307
[Reserved]
Section 421.310
Applicability: Description of the secondary tungsten and cobalt subcategory.
Section 421.311
Specialized definitions.
Section 421.312
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.313
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.314
Standards of performance for new sources.
Section 421.315
Pretreatment standards for existing sources.
Section 421.316
Pretreatment standards for new sources.
Section 421.317
[Reserved]
Section 421.320
Applicability: Description of the secondary uranium subcategory.
Section 421.321
Specialized definitions.
Section 421.322
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.323
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.324
Standards of performance for new sources.
Section 421.325
[Reserved]
Section 421.326
Pretreatment standards for new sources.
Section 421.327
[Reserved]
Section 421.330
Applicability: Description of the primary zirconium and hafnium subcategory.
Section 421.331
Specialized definitions.
Section 421.332
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Section 421.333
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Section 421.334
Standards of performance for new sources.
Section 421.335
[Reserved]
Section 421.336
Pretreatment standards for new sources.
Section 421.337
[Reserved]