Wis. Admin. Code Department of Natural Resources NR 274.083

Current through October 28, 2024
Section NR 274.083 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BAT:

Table 8-2

Primary Zinc Zinc Reduction Furnace Wet Air Pollution Control

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of zinc reduced

Cadmium

0.334

0.134

Copper

2.135

1.018

Lead

0.467

0.217

Zinc

1.702

0.701

Table 8-3

Primary Zinc Preleach of Zinc Concentrates

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of concentrate leached

Cadmium

0.180

0.072

Copper

1.153

0.550

Lead

0.252

0.117

Zinc

0.919

0.378

Table 8-4

Primary Zinc Leaching Wet Air Pollution Control

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of zinc processed through leaching

Cadmium

0.000

0.000

Copper

0.000

0.000

Lead

0.000

0.000

Zinc

0.000

0.000

Table 8-5

Primary Zinc Electrolyte Bleed Wastewater

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of zinc cast

Cadmium

0.086

0.035

Copper

0.553

0.264

Lead

0.121

0.056

Zinc

0.441

0.182

Table 8-6

Primary Zinc Electrolyte Bleed Wastewater

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Cadmium

0.150

0.060

Copper

0.961

0.458

Lead

0.210

0.098

Zinc

0.766

0.315

Table 8-7

Primary Zinc Cathode and Anode Wash Wastewater

BAT Effluent Limitations

Maximum for 1 day

any Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of zinc cast

Cadmium

0.051

0.021

Copper

0.329

0.157

Lead

0.072

0.033

Zinc

0.262

0.108

Table 8-8

Primary Zinc Casting Wet Air Pollution Control

BAT Effluent Limitations

Maximum for 1 day

any Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of zinc cast

Cadmium

0.036

0.014

Copper

0.232

0.110

Lead

0.051

0.024

Zinc

0.185

0.076

Table 8-9

Primary Zinc Cadmium Plant Wastewater

BAT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of cadmium produced

Cadmium

1.234

0.494

Copper

7.899

3.765

Lead

1.728

0.802

Zinc

6.295

2.592

Wis. Admin. Code Department of Natural Resources NR 274.083

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