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 274.004 - Compliance dates
Current through August 26, 2024
(1) Any existing source subject to this chapter which discharges to waters of the state shall achieve:
(2) Any new source subject to this chapter which discharges to waters of the state shall achieve NSPS at the commencement of discharge.
(3) Any existing source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSES according to the date in the following tables:
|
March 8, 1987 |
September 20, 1988 |
|
Bauxite refining |
Primary antimony |
|
Primary aluminum smelting |
Primary beryllium |
|
Secondary aluminum smelting |
Primary and secondary germanium and gallium |
|
Primary copper smelting |
Secondary indium |
|
Primary electrolytic copper refining |
Secondary mercury Primary molybdenum and |
|
Secondary copper |
rhenium |
|
Primary lead |
Secondary molybdenum and |
|
Primary zinc |
vanadium |
|
Metallurgical acid plants |
Primary nickel and cobalt |
|
Primary tungsten |
Secondary nickel |
|
Primary columbium-tanta-lum |
Primary precious metals and mercury |
|
Secondary silver |
Secondary precious metals |
|
Secondary lead |
Primary rare earth metals |
|
Secondary tantalum |
|
|
Secondary tin |
|
|
Primary and secondary titanium |
|
|
Secondary tungsten and cobalt |
|
|
Secondary uranium |
|
|
Primary zirconium and hafnium |
(4) Any new source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSNS at the commencement of discharge.
