Wis. Admin. Code Department of Natural Resources NR 274.302

Current through October 28, 2024
Section NR 274.302 - 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 30-1

Primary and Secondary Titanium 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 titanium tetrachloride produced

Chromium

0.412

0.168

Lead

0.393

0.187

Nickel

1.797

1.187

Titanium

0.880

0.384

Oil and grease

18.720

11.230

Total suspended solids

38.380

18.250

pH

(1)

(1)

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

Table 30-2

Primary and Secondary Titanium 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 titanium tetrachloride produced

Chromium

0.458

0.187

Lead

0.437

0.208

Nickel

1.997

1.321

Titanium

0.978

0.426

Oil and grease

20.800

12.480

Total suspended solids

42.640

20.280

pH

(1)

(1)

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

Table 30-3

Primary and Secondary Titanium Titanium Tetrachloride Handling 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 titanium tetrachloride handled

Chromium

0.082

0.034

Lead

0.079

0.037

Nickel

0.359

0.237

Titanium

0.176

0.077

Oil and grease

3.740

2.244

Total suspended solids

7.667

3.647

pH

(1)

(1)

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

Table 30-4

Primary and Secondary Titanium Reduction Area 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 titanium produced

Chromium

18.170

7.435

Lead

17.350

8.261

Nickel

79.300

52.450

Titanium

38.820

16.930

Oil and grease

826.100

495.600

Total suspended solids

1,693.000

805.400

pH

(1)

(1)

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

Table 30-5

Primary and Secondary Titanium Melt Cell 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 titanium produced

Chromium

9.352

3.826

Lead

8.927

4.251

Nickel

40.810

26.990

Titanium

19.980

8.714

Oil and grease

425.100

255.000

Total suspended solids

871.400

414.500

pH

(1)

(1)

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

Table 30-6

Primary and Secondary Titanium Chlorine Liquefaction 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 titanium produced

Chromium

130.900

53.560

Lead

125.000

59.510

Nickel

571.300

377.900

Titanium

279.700

122.000

Oil and grease

5,951.000

3,571.000

Total suspended solids

12,200.000

5,702.000

pH

(1)

(1)

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

Table 30-7

Primary and Secondary Titanium Sodium Reduction Container Reconditioning Wash Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Chromium

0.564

0.231

Lead

0.538

0.256

Nickel

2.461

1.628

Titanium

1.205

0.526

Oil and grease

25.640

15.380

Total suspended solids

52.560

25.000

pH

(1)

(1)

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

Table 30-8

Primary and Secondary Titanium Chip Crushing Wet Air Pollutant Control

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Chromium

10.090

4.126

Lead

9.627

4.584

Nickel

44.010

29.110

Titanium

21.550

9.398

Oil and grease

458.400

275.100

Total suspended solids

939.800

447.000

pH

(1)

(1)

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

Table 30-9

Primary and Secondary Titanium Acid Leachate and Rinse Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Chromium

5.210

2.131

Lead

4.973

2.368

Nickel

22.730

15.040

Titanium

11.130

4.854

Oil and grease

236.800

142.100

Total suspended solids

485.400

230.900

pH

(1)

(1)

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

Table 30-10

Primary and Secondary Titanium Sponge Crushing and Screening 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 titanium produced

Chromium

2.847

1.165

Lead

2.717

1.294

Nickel

12.420

8.217

Titanium

6.082

2.653

Oil and grease

129.400

77.640

Total suspended solids

265.300

126.200

pH

(1)

(1)

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

Table 30-11

Primary and Secondary Titanium Acid Pickle and Wash Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of titanium pickled

Chromium

0.027

0.011

Lead

0.026

0.012

Nickel

0.117

0.077

Titanium

0.057

0.025

Oil and grease

1.220

0.732

Total suspended solids

2.501

1.190

pH

(1)

(1)

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

Table 30-12

Primary and Secondary Titanium Scrap Milling 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 titanium milled

Chromium

0.995

0.407

Lead

0.950

0.452

Nickel

4.341

2.871

Titanium

2.125

0.927

Oil and grease

45.220

27.130

Total suspended solids

92.700

44.090

pH

(1)

(1)

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

Table 30-13

Primary and Secondary Titanium Scrap Detergent Wash Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of scrap washed

Chromium

7.948

3.252

Lead

7.587

3.613

Nickel

34.680

22.940

Titanium

16.980

7.406

Oil and grease

361.300

216.800

Total suspended solids

740.600

352.300

pH

(1)

(1)

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

Table 30-14

Primary and Secondary Titanium Casting Crucible Wash Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Chromium

0.210

0.086

Lead

0.200

0.095

Nickel

0.916

0.606

Titanium

0.448

0.196

Oil and grease

9.540

5.724

Total suspended solids

19.560

9.302

pH

(1)

(1)

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

Table 30-15

Primary and Secondary Titanium Casting Contact Cooling Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Chromium

321.100

131.400

Lead

306.500

145.900

Nickel

1,401.000

926.800

Titanium

685.900

299.200

Oil and grease

14,590.000

8,757.000

Total suspended solids

29,920.000

14,230.000

pH

(1)

(1)

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

Wis. Admin. Code Department of Natural Resources NR 274.302

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