Wis. Admin. Code Department of Natural Resources NR 274.102

Current through October 28, 2024
Section NR 274.102 - 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 10-1

Primary Tungsten Tungstic Acid Rinse

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of tungstic acid produced

Lead

17.230

8.205

Zinc

59.900

25.030

Ammonia (as N)

5,469.000

2,404.000

Total suspended solids

1,682.000

800.000

pH

(1)

(1)

Table 10-2

Primary Tungsten Acid Leach 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 tungstic acid produced

Lead

15.040

7.162

Zinc

52.280

21.840

Ammonia (as N)

4,773.000

2,098.000

Total suspended solids

1,468.000

698.300

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-3

Primary Tungsten Alkali Leach Wash

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of sodium tungstate produced

Lead

0.000

0.000

Zinc

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 7.0 to 10.0 at all times.

Table 10-4

Primary Tungsten Alkali Leach Wash Condensate

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of sodium tungstate produced

Lead

8.057

3.837

Zinc

28.011

11.700

Ammonia (as N)

2,557.000

1,124.000

Total suspended solids

786.200

374.100

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-5

Primary Tungsten Ion-Exchange Raffinate Commingled With Other Process or Nonprocess Waters

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of ammonium tungstate produced

Lead

37.160

17.700

Zinc

129.200

53.970

Ammonia (as N)

11,790.000

5,185.000

Total suspended solids

3,627.000

1,726.800

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-6

Primary Tungsten Ion-Exchange Raffinate Not Commingled With Other Process or Nonprocess Waters

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of ammonium tungstate produced

Lead

37.160

17.700

Zinc

129.200

53.970

Ammonia (as N) (1)

11,790,000

5,185,000

Total suspended solids

3,627.000

1,726.800

pH

(2)

(2)

(1) Within the range of 7.0 to 10.0 at all times.

(1) The limitation for ammonia does not apply if the mother liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1,000 mg/l, this mother liquor or raffinate is treated by ammonia stripping, and this mother liquor or raffinate is not commingled with any other process or nonprocess waters prior to steam stripping for ammonia removal.

(2) Within the range of 7.0 to 10.0 at all times.

Table 10-7

Primary Tungsten Calcium Tungstate Precipitate Wash

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of calcium tungstate produced

Lead

31.000

14.760

Zinc

107.800

45.020

Ammonia (as N)

9,838.000

4,325.000

Total suspended solids

3,036.000

1,439.000

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-8

Primary Tungsten Crystallization and Drying of Ammonium Paratungstate

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of ammonium paratungstate produced

Lead

0.000

0.000

Zinc

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 7.0 to 10.0 at all times.

Table 10-9

Primary Tungsten Ammonium Paratungstate Conversion to Oxides 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 tungsten oxide produced

Lead

11.600

5.300

Zinc

40.320

16.380

Ammonia (as N)

3,681.000

1,618.000

Total suspended solids

1,132.000

538.500

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-10

Primary Tungsten Ammonium Paratungstate Conversion to Oxides Water of Formation

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of tungsten oxide produced

Lead

0.026

0.013

Zinc

0.092

0.038

Ammonia (as N)

8.398

3.692

Total suspended solids

2.583

1.229

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-11

Primary Tungsten Reduction to Tungsten 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 tungsten metal produced

Lead

12.940

6.161

Zinc

44.970

18.790

Ammonia (as N)

4,106.000

1,805.000

Total suspended solids

1,263.000

600.700

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-12

Primary Tungsten Reduction to Tungsten Water of Formation

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of tungsten metal produced

Lead

0.205

0.098

Zinc

0.714

0.298

Ammonia (as N)

65.190

28.660

Total suspended solids

20.050

9.536

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-13

Primary Tungsten Tungsten Powder Acid Leach and Wash

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/kg (pounds per million pounds) of tungsten metal produced

Lead

1.008

0.480

Zinc

3.504

1.464

Ammonia (as N)

319.900

140.700

Total suspended solids

98.400

46.800

pH

(1)

(1)

(1) Within the range of 7.0 to 10.0 at all times.

Table 10-14

Primary Tungsten Molybdenum Sulfide Precipitation 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 molybdenum sulfide precipitated

Lead

0.000

0.000

Zinc

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 7.0 to 10.0 at all times.

Wis. Admin. Code Department of Natural Resources NR 274.102

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