Wis. Admin. Code Department of Natural Resources NR 274.322

Current through October 28, 2024
Section NR 274.322 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

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 BPT:

Table 32-1

Secondary Uranium Refinery Sump Filtrate

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of uranium processed in the refinery

Chromium

32.270

13.200

Copper

139.300

73.340

Nickel

140.800

93.140

Fluoride

2,567.000

1,459.000

Total suspended solids

3,007.000

1,430.000

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 32-2

Secondary Uranium Slag Leach Reslurry

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of uranium processed in the refinery

Chromium

2.009

0.822

Copper

8.675

4.566

Nickel

8.767

5.799

Fluoride

159.800

90.860

Total suspended solids

187.200

89.040

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 32-3

Secondary Uranium Solvent Extraction Raffinate Filtrate

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of uranium processed in the refinery

Chromium

2.802

1.146

Copper

12.100

6.369

Nickel

12.230

8.089

Fluoride

222.900

126.700

Total suspended solids

261.100

124.200

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 32-4

Secondary Uranium Digestion Wet Air Pollution Control

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of uranium processed in the refinery

Chromium

0.000

0.000

Copper

0.000

0.000

Nickel

0.000

0.000

Fluoride

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 32-5

Secondary Uranium Evaporation and Denitration Wet Air Pollution Control

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of uranium trioxide produced

Chromium

0.000

0.000

Copper

0.000

0.000

Nickel

0.000

0.000

Fluoride

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 32-6

Secondary Uranium Hypofluorination Alkaline Scrubber

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of uranium tetrafluoride produced

Chromium

0.009

0.004

Copper

0.038

0.020

Nickel

0.038

0.025

Fluoride

0.070

0.398

Total suspended solids

0.820

0.390

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 32-7

Secondary Uranium Hypofluorination Water Scrubber

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of uranium tetrafluoride produced

Chromium

0.000

0.000

Copper

0.000

0.000

Nickel

0.000

0.000

Fluoride

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 32-8

Secondary Uranium Magnesium Reduction and Casting Floor Wash

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds)

of uranium produced by magnesium

reduction

Chromium

0.013

0.005

Copper

0.057

0.030

Nickel

0.058

0.038

Fluoride

1.056

0.599

Total suspended solids

1.234

0.587

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Table 32-9

Secondary Uranium Laundry Wastewater

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of uranium produced by magnesium reduction

Chromium

0.084

0.035

Copper

0.365

0.192

Nickel

0.369

0.244

Fluoride

6.720

3.821

Total suspended solids

7.872

3.744

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times.

Wis. Admin. Code Department of Natural Resources NR 274.322

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