Wis. Admin. Code Department of Natural Resources NR 274.103

Current through November 25, 2024
Section NR 274.103 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

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 10-15

Primary Tungsten Tungstic Acid Rinse

BAT 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

11.490

5.333

Zinc

41.850

17.230

Ammonia (as N)

5,469.000

2,404.000

Table 10-16

Primary Tungsten Acid Leach 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 tungstic acid produced

Lead

1.003

0.466

Zinc

3.653

1.504

Ammonia (as N)

477.400

209.900

Table 10-17

Primary Tungsten Alkali Leach Wash

BAT 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

Table 10-18

Primary Tungsten Alkali Leach Wash Condensate

BAT 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

5.372

2.494

Zinc

19.570

8.057

Ammonia (as N)

2,557.000

1,124.000

Table 10-19

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

BAT 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

24.780

11.500

Zinc

90.240

37.160

Ammonia (as N)

11,790.000

5,185.000

Table 10-20

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

BAT 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

24.780

11.500

Zinc

90.240

37.160

Ammonia (as N)

11,790.000

5,185.000

(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.

Table 10-21

Primary Tungsten Calcium Tungstate Precipitate Wash

BAT 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

20.670

9.594

Zinc

75.280

31.000

Ammonia (as N)

9,838.000

4,325.000

Table 10-22

Primary Tungsten Crystallization and Drying of Ammonium Paratungstate

BAT 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

Table 10-23

Primary Tungsten Ammonium Paratungstate Conversion to Oxides 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 tungsten oxide produced

Lead

0.773

0.359

Zinc

2.817

1.160

Ammonia (as N)

368.200

161.900

Table 10-24

Primary Tungsten Ammonium Paratungstate Conversion to Oxides Water of Formation

BAT 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

0.018

0.008

Zinc

0.064

0.026

Ammonia (as N)

8.398

3.692

Table 10-25

Primary Tungsten Reduction to Tungsten 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 tungsten metal produced

Lead

0.862

0.406

Zinc

3.142

1.294

Ammonia (as N)

410.600

180.500

Table 10-26

Primary Tungsten Reduction to Tungsten Water of Formation

BAT 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

0.137

0.064

Zinc

0.499

0.205

Ammonia (as N)

65.190

28.660

Table 10-27

Primary Tungsten Tungsten Powder Acid Leach and Wash

BAT 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

0.672

0.312

Zinc

2.448

1.008

Ammonia (as N)

319.900

140.700

Table 10-28

Primary Tungsten Molybdenum Sulfide Precipitation 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 molybdenum sulfide precipitated

Lead

0.000

0.000

Zinc

0.000

0.000

Ammonia (as N)

0.000

0.000

Wis. Admin. Code Department of Natural Resources NR 274.103

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