Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XIX - Secondary Indium
Section NR 274.195 - Pretreatment standards for existing sources

Universal Citation: WI Admin Code ยง NR 274.195
Current through August 26, 2024

Except as provided in ss. NR 211.13 and 211.14, any new [existing] source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSES:

Table 19-3

Secondary Indium Displacement Supernatant

PSES

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of indium metal produced

Cadmium

2.105

0.929

Lead

2.600

1.238

Zinc

9.037

3.776

Indium

2.724

1.114

Table 19-4

Secondary Indium Spent Electrolyte

PSES

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of cathode indium produced

Cadmium

12.170

5.370

Lead

15.040

7.160

Zinc

52.270

21.840

Indium

15.750

6.444

Disclaimer: These regulations may not be the most recent version. Wisconsin may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.