§ 307.3100. General Provisions

§ 307.3101. Bauxite Refining

§ 307.3102. Primary Aluminum Smelting

§ 307.3103. Secondary Aluminum Smelting

§ 307.3104. Primary Copper Smelting

§ 307.3105. Primary Electrolytic Copper Refining

§ 307.3106. Secondary Copper

§ 307.3107. Primary Lead

§ 307.3108. Primary Zinc

§ 307.3109. Metallurgical Acid Plants

§ 307.3110. Primary Tungsten

§ 307.3111. Primary Columbium-Tantalum

§ 307.3112. Secondary Silver

§ 307.3113. Secondary Lead

§ 307.3114. Primary Antimony

§ 307.3115. Primary Beryllium

§ 307.3116. Primary and Secondary Germanium and Gallium

§ 307.3117. Secondary Indium

§ 307.3118. Secondary Mercury

§ 307.3119. Primary Molybdenum and Rhenium

§ 307.3120. Secondary Molybdenum and Vanadium

§ 307.3121. Primary Nickel and Cobalt

§ 307.3122. Secondary Nickel

§ 307.3123. Primary Precious Metals and Mercury

§ 307.3124. Secondary Precious Metals

§ 307.3125. Primary Rare Earth Metals

§ 307.3126. Secondary Tantalum

§ 307.3127. Secondary Tin

§ 307.3128. Primary and Secondary Titanium

§ 307.3129. Secondary Tungsten and Cobalt

§ 307.3130. Secondary Uranium

§ 307.3131. Primary Zirconium and Hafnium