Wis. Admin. Code Department of Natural Resources NR 274.004

Current through October 28, 2024

Section NR 274.004 - Compliance dates

(1) Any existing source subject to this chapter which discharges to waters of the state shall achieve:

(a) The effluent limitations representing BPT by July 1, 1977; and

(b) The effluent limitations representing BAT by July 1, 1984.

(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.

Wis. Admin. Code Department of Natural Resources NR 274.004

Cr. Register, March, 1991, No. 423, eff. 4-1-91.