Wis. Admin. Code Department of Natural Resources § NR 274.332 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Current through March 28, 2022

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 33-1

Primary Zirconium and Hafnium Sand Drying 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 zirconium dioxide and hafnium

dioxide produced

Chromium

0.250

0.102

Cyanide

0.165

0.068

Lead

0.239

0.114

Nickel

1.091

0.721

Ammonia (as N)

75.710

33.280

Total suspended solids

23.290

11.080

pH

(1)

(1)

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

Table 33-2

Primary Zirconium and Hafnium Sand Chlorination Off-Gas 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 zirconium dioxide and hafnium

dioxide produced

Chromium

19.130

7.825

Cyanide

12.610

5.216

Lead

18.260

8.694

Nickel

83.460

55.210

Ammonia (as N)

5,795.000

2,547.000

Total suspended solids

1,782.000

847.700

pH

(1)

(1)

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

Table 33-3

Primary Zirconium and Hafnium Sand Chlorination Area-Vent 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 zirconium dioxide and hafnium

dioxide produced

Chromium

3.751

1.534

Cyanide

2.472

1.023

Lead

3.580

1.705

Nickel

16.370

10.830

Ammonia (as N)

1,136.000

449.500

Total suspended solids

349.500

166.200

pH

(1)

(1)

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

Table 33-4

Primary Zirconium and Hafnium Silicon Tetrachloride Purification 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 zirconium dioxide and hafnium

dioxide produced

Chromium

3.299

1.350

Cyanide

2.174

0.900

Lead

3.149

1.500

Nickel

14.400

9.522

Ammonia (as N)

999.500

439.400

Total suspended solids

307.400

146.200

pH

(1)

(1)

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

Table 33-5

Primary Zirconium and Hafnium Feed Make Up 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 zirconium dioxide and hafnium

dioxide produced

Chromium

2.501

1.023

Cyanide

1.648

0.682

Lead

2.387

1.137

Nickel

10.910

7.217

Ammonia (as N)

757.500

333.000

Total suspended solids

233.000

110.800

pH

(1)

(1)

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

Table 33-6

Primary Zirconium and Hafnium Iron Extraction Steam Stripper Bottoms

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds)

of zirconium dioxide and hafnium

dioxide produced

Chromium

0.987

0.404

Cyanide

0.651

0.269

Lead

0.942

0.449

Nickel

4.308

2.850

Ammonia (as N)

299.100

131.500

Total suspended solids

92.000

43.760

pH

(1)

(1)

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

Table 33-7

Primary Zirconium and Hafnium Zirconium Filtrate

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds)

of zirconium dioxide and hafnium

dioxide produced

Chromium

17.070

6.982

Cyanide

11.250

4.655

Lead

16.290

7.758

Nickel

74.480

49.260

Ammonia (as N)

5,171.000

2,273.000

Total suspended solids

1,590.000

756.400

pH

(1)

(1)

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

Table 33-8

Primary Zirconium and Hafnium Hafnium Filtrate

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds)

of zirconium dioxide and hafnium

dioxide produced

Chromium

0.000

0.000

Cyanide

0.000

0.000

Lead

0.000

0.000

Nickel

0.000

0.000

Ammonia (as N)

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 33-9

Primary Zirconium and Hafnium Calcining Caustic 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 zirconium dioxide and hafnium

dioxide produced

Chromium

3.959

1.619

Cyanide

2.609

1.080

Lead

3.799

1.799

Nickel

17.270

11.430

Ammonia (as N)

1,199.000

527.200

Total suspended solids

368.900

175.400

pH

(1)

(1)

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

Table 33-10

Primary Zirconium and Hafnium Pure Chlorination 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 zirconium dioxide and hafnium

dioxide produced

Chromium

16.860

6.897

Cyanide

11.110

4.598

Lead

16.090

7.663

Nickel

73.570

48.660

Ammonia (as N)

5,108.000

2,245.000

Total suspended solids

1,571.000

747.200

pH

(1)

(1)

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

Table 33-11

Primary Zirconium and Hafnium Reduction Area Vent 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 zirconium dioxide and hafnium

dioxide produced

Chromium

1.622

0.663

Cyanide

1.069

0.442

Lead

1.548

0.737

Nickel

7.077

4.681

Ammonia (as N)

491.300

216.000

Total suspended solids

151.100

71.880

pH

(1)

(1)

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

Table 33-12

Primary Zirconium and Hafnium Magnesium Recovery Off-Gas 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 zirconium dioxide and hafnium

dioxide produced

Chromium

9.123

3.732

Cyanide

6.013

2.488

Lead

8.708

4.147

Nickel

39.810

26.330

Ammonia (as N)

2,764.000

1,215.000

Total suspended solids

850.100

404.300

pH

(1)

(1)

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

Table 33-13

Primary Zirconium and Hafnium Magnesium Recovery Area-Vent 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 zirconium dioxide and hafnium

dioxide produced

Chromium

5.068

2.073

Cyanide

3.340

1.382

Lead

4.838

2.304

Nickel

22.110

14.630

Ammonia (as N)

1,535.000

675.000

Total suspended solids

472.200

224.600

pH

(1)

(1)

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

Table 33-14

Primary Zirconium and Hafnium Zirconium Chip Crushing 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 zirconium dioxide and hafnium

dioxide produced

Chromium

0.000

0.000

Cyanide

0.000

0.000

Lead

0.000

0.000

Nickel

0.000

0.000

Ammonia (as N)

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 33-15

Primary Zirconium and Hafnium Acid Leachate From Zirconium Metal Production

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of

zirconium dioxide and hafnium dioxide

produced

Chromium

12.970

5.304

Cyanide

8.545

3.536

Lead

12.380

5.893

Nickel

56.570

37.420

Ammonia (as N)

3,928.000

1,727.000

Total suspended

solids

1,208.000

574.600

pH

(1)

(1)

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

Table 33-16

Primary Zirconium and Hafnium Acid Leachate From Zirconium Alloy Production

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds)

of zirconium dioxide and hafnium

dioxide produced

Chromium

6.939

2.839

Cyanide

4.574

1.893

Lead

6.624

3.154

Nickel

30.280

20.030

Ammonia (as N)

2,102.000

924.200

Total suspended solids

646.600

307.600

pH

(1)

(1)

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

Table 33-17

Primary Zirconium and Hafnium Leaching Rinse Waters From Zirconium Metal Production

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds)

of zirconium dioxide and hafnium

dioxide produced

Chromium

25.930

10.610

Cyanide

17.090

7.072

Lead

24.750

11.790

Nickel

113.200

74.840

Ammonia (as N)

7,856.000

3,453.000

Total suspended solids

2,416.000

1,149.000

pH

(1)

(1)

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

Table 33-18

Primary Zirconium and Hafnium Leaching Rinse Waters From Zirconium Alloy Production

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds)

of zirconium dioxide and hafnium

dioxide produced

Chromium

0.347

0.142

Cyanide

0.299

0.095

Lead

0.331

0.158

Nickel

1.515

1.002

Ammonia (as N)

105.200

46.240

Total suspended solids

32.350

15.390

pH

(1)

(1)

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

Notes

Wis. Admin. Code Department of Natural Resources § NR 274.332
Cr. Register, March, 1991, No. 423, eff. 4-1-91.

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