Part 421—Nonferrous Metals Manufacturing Point Source Category

1. CFR
2. ›
3. Title 40
4. ›
5. Chapter I
6. ›
7. Part 421

Contents

• A
  Subpart A—Bauxite Refining Subcategory Sections 421.10–421.16
• AA
  Subpart AA—Secondary Tin Subcategory Sections 421.290–421.297
• AB
  Subpart AB—Primary and Secondary Titanium Subcategory Sections 421.300–421.307
• AC
  Subpart AC—Secondary Tungsten and Cobalt Subcategory Sections 421.310–421.317
• AD
  Subpart AD—Secondary Uranium Subcategory Sections 421.320–421.327
• AE
  Subpart AE—Primary Zirconium and Hafnium Subcategory Sections 421.330–421.337
• B
  Subpart B—Primary Aluminum Smelting Subcategory Sections 421.20–421.27
• C
  Subpart C—Secondary Aluminum Smelting Subcategory Sections 421.30–421.37
• D
  Subpart D—Primary Copper Smelting Subcategory Sections 421.40–421.47
• E
  Subpart E—Primary Electrolytic Copper Refining Subcategory Sections 421.50–421.57
• F
  Subpart F—Secondary Copper Subcategory Sections 421.60–421.67
• G
  Subpart G—Primary Lead Subcategory Sections 421.70–421.77
• General Provisions
  General Provisions Sections 421.1–421.5
• H
  Subpart H—Primary Zinc Subcategory Sections 421.80–421.87
• I
  Subpart I—Metallurgical Acid Plants Subcategory Sections 421.90–421.97
• J
  Subpart J—Primary Tungsten Subcategory Sections 421.100–421.107
• K
  Subpart K—Primary Columbium-Tantalum Subcategory Sections 421.110–421.117
• L
  Subpart L—Secondary Silver Subcategory Sections 421.120–421.127
• M
  Subpart M—Secondary Lead Subcategory Sections 421.130–421.137
• N
  Subpart N—Primary Antimony Subcategory Sections 421.140–421.147
• O
  Subpart O—Primary Beryllium Subcategory Sections 421.150–421.157
• P
  Subpart P—Primary and Secondary Germanium and Gallium Subcategory Sections 421.180–421.187
• Q
  Subpart Q—Secondary Indium Subcategory Sections 421.190–421.197
• R
  Subpart R—Secondary Mercury Subcategory Sections 421.200–421.207
• S
  Subpart S—Primary Molybdenum and Rhenium Subcategory Sections 421.210–421.217
• T
  Subpart T—Secondary Molybdenum and Vanadium Subcategory Sections 421.220–421.227
• U
  Subpart U—Primary Nickel and Cobalt Subcategory Sections 421.230–421.237
• V
  Subpart V—Secondary Nickel Subcategory Sections 421.240–421.247
• W
  Subpart W—Primary Precious Metals and Mercury Subcategory Sections 421.250–421.257
• X
  Subpart X—Secondary Precious Metals Subcategory Sections 421.260–421.267
• Y
  Subpart Y—Primary Rare Earth Metals Subcategory Sections 421.270–421.277
• Z
  Subpart Z—Secondary Tantalum Subcategory Sections 421.280–421.287