Wis. Admin. Code Department of Natural Resources § NR 274.333 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

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 BAT:

Table 33-19

Primary Zirconium and Hafnium Sand Drying 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

zirconium dioxide and hafnium dioxide

produced

Chromium

0.210

0.085

Cyanide

0.114

0.045

Lead

0.159

0.074

Nickel

0.312

0.210

Ammonia (as N)

75.710

33.280

Table 33-20

Primary Zirconium and Hafnium Sand Chlorination Off-Gas 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

zirconium dioxide and hafnium dioxide

produced

Chromium

16.080

6.521

Cyanide

8.694

3.478

Lead

12.170

5.651

Nickel

23.910

16.080

Ammonia (as N)

5,795.000

2,547.000

Table 33-21

Primary Zirconium and Hafnium Sand Chlorination Area-Vent 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

zirconium dioxide and hafnium dioxide

produced

Chromium

3.154

1.279

Cyanide

1.705

0.682

Lead

2.387

1.108

Nickel

4.688

3.154

Ammonia (as N)

1,136.000

499.500

Table 33-22

Primary Zirconium and Hafnium Silicon Tetrachloride Purification 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

zirconium dioxide and hafnium dioxide

produced

Chromium

2.774

1.125

Cyanide

1.500

0.600

Lead

2.099

0.975

Nickel

4.124

2.774

Ammonia (as N)

999.500

439.400

Table 33-23

Primary Zirconium and Hafnium Feed Make Up 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

zirconium dioxide and hafnium dioxide

produced

Chromium

2.103

0.852

Cyanide

1.137

0.455

Lead

1.591

0.739

Nickel

3.126

2.103

Ammonia (as N)

757.500

333.000

Table 33-24

Primary Zirconium and Hafnium Iron Extraction Steam Stripper Bottoms

BAT 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

0.830

0.337

Cyanide

0.449

0.180

Lead

0.628

0.292

Nickel

1.234

0.830

Ammonia (as N)

299.100

131.500

Table 33-25

Primary Zirconium and Hafnium Zirconium Filtrat

BAT 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

14.350

5.819

Cyanide

7.758

3.103

Lead

10.860

5.043

Nickel

21.330

14.350

Ammonia (as N)

5,171.000

2,273.000

Table 33-26

Primary Zirconium and Hafnium Hafnium Filtrate

BAT 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

Table 33-27

Primary Zirconium and Hafnium Calcining Caustic 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

zirconium dioxide and hafnium dioxide

produced

Chromium

3.329

1.350

Cyanide

1.799

0.720

Lead

2.519

1.170

Nickel

14.948

3.329

Ammonia (as N)

1,199.000

527.200

Table 33-28

Primary Zirconium and Hafnium Pure Chlorination 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

zirconium dioxide and hafnium dioxide

produced

Chromium

14.180

5.748

Cyanide

7.663

3.065

Lead

10.730

4.981

Nickel

21.070

14.180

Ammonia (as N)

5,108.000

2,245.000

Table 33-29

Primary Zirconium and Hafnium Reduction Area Vent 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

zirconium dioxide and hafnium dioxide

produced

Chromium

1.364

0.553

Cyanide

0.737

0.295

Lead

1.032

0.479

Nickel

2.027

1.364

Ammonia (as N)

491.300

216.000

Table 33-30

Primary Zirconium and Hafnium Magnesium Recovery Off-Gas 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

zirconium dioxide and hafnium dioxide

produced

Chromium

7.671

3.110

Cyanide

4.147

1.659

Lead

5.805

2.695

Nickel

11.400

7.671

Ammonia (as N)

2,764.000

1,215.000

Table 33-31

Primary Zirconium and Hafnium Magnesium Recovery Area-Vent 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

zirconium dioxide and hafnium dioxide

produced

Chromium

4.262

1.728

Cyanide

2.304

0.921

Lead

3.225

1.497

Nickel

26.335

4.262

Ammonia (as N)

1,535.000

675.000

Table 33-32

Primary Zirconium and Hafnium Zirconium Chip Crushing 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

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

Table 33-33

Primary Zirconium and Hafnium Acid Leachate From Zirconium Metal Production

BAT 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

10.900

4.420

Cyanide

5.893

2.357

Lead

8.250

3.831

Nickel

16.210

10.900

Ammonia (as N)

3,928.000

1,674.000

Table 33-34

Primary Zirconium and Hafnium Acid Leachate From Zirconium Alloy Production

BAT 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

5.835

2.366

Cyanide

3.154

1.262

Lead

4.416

2.050

Nickel

8.674

5.835

Ammonia (as N)

2,102.000

895.000

Table 33-35

Primary Zirconium and Hafnium Leaching Rinse Waters From Zirconium Metal Production

BAT 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

21.810

8.840

Cyanide

11.790

4.715

Lead

16.500

7.661

Nickel

32.410

21.810

Ammonia (as N)

7,856.000

3,453.000

Table 33-36

Primary Zirconium and Hafnium Leaching Rinse Waters From Zirconium Alloy Production

BAT 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

0.292

0.118

Cyanide

0.158

0.063

Lead

0.221

0.103

Nickel

1.434

0.292

Ammonia (as N)

105.200

46.240

Notes

Wis. Admin. Code Department of Natural Resources § NR 274.333
Cr. Register, March, 1991, No. 423, eff. 4-1-91.

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