Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
- Section NR 274.001 - Purpose
- Section NR 274.002 - Applicability
- Section NR 274.003 - General definitions
- Section NR 274.004 - Compliance dates
- Section NR 274.005 - Removal allowances for pretreatment standards
- Section NR 274.006 - General provisions
- Subchapter I - Bauxite Refining
- Subchapter II - Primary Aluminum Smelting
- Subchapter III - Secondary Aluminum Smelting
- Subchapter IV - Primary Copper Smelting
- Subchapter V - Primary Electrolytic Copper Refining
- Subchapter VI - Secondary Copper
- Subchapter VII - Primary Lead
- Subchapter VIII - Primary Zinc
- Subchapter IX - Metallurgical Acid Plants
- Subchapter X - Primary Tungsten
- Subchapter XI - Primary Columbium-Tantalum
- Subchapter XII - Secondary Silver
- Subchapter XIII - Secondary Lead
- Subchapter XIV - Primary Antimony
- Subchapter XV - Primary Beryllium
- Subchapter XVIII - Primary and Secondary Germanium and Gallium
- Subchapter XIX - Secondary Indium
- Subchapter XX - Secondary Mercury
- Subchapter XXI - Primary Molybdenum and Rhenium
- Subchapter XXIII - Primary Nickel and Cobalt
- Subchapter XXIV - Secondary Nickel
- Subchapter XXV - Primary Precious Metals and Mercury
- Subchapter XXVI - Secondary Precious Metals
- Subchapter XXVII - Primary Rare Earth Metals
- Subchapter XXVIII - Secondary Tantalum
- Subchapter XXIX - Secondary Tin
- Subchapter XXX - Primary and Secondary Titanium
- Subchapter XXXI - Secondary Tungsten and Cobalt
- Subchapter XXXII - Secondary Uranium
- Subchapter XXXIII - Primary Zirconium and Hafnium
Current through August 26, 2024
Chapter NR 274 as it existed on March 31, 1991 was repealed and a new chapter NR 274 was created effective April 1, 1991.
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