40 CFR 421.104: Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Subpart J—Tungstic Acid Rinse.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead 11.490 5.333

Zinc 41.850 17.230

Ammonia (as N) 5,469.000 2,404.000

Total suspended solids 615.400 492.300

pH (1) (1)

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

(b) Subpart J—Acid Leach Wet Air Pollution

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead 1.003 0.466

Zinc 3.653 1.504

Ammonia (as N) 477.400 209.900

Total suspended solids 53.720 42.970

pH (1) (1)

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

(c) Subpart J—Alkali Leach Wash.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of sodium tungstate (as W) 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.

(d) Subpart J—Alkali Leach Wash Condensate.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead 5.372 2.494

Zinc 19.570 8.057

Ammonia (as N) 2,557.000 1,124.000

Total suspended solids 287.800 229.600

pH (1) (1)

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

(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead 24.780 11.500

Zinc 90.240 37.160

Ammonia (as N) 11,790.000 5,185.000

Total suspended solids 1,327.000 1,062.000

pH (1) (1)

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

(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead 24.780 11.500

Zinc 90.240 37.160

Ammonia (as N) (2) 11,790.000 5,185.000

Total suspended solids 1,327.000 1,062.000

pH (1) (1)

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

2 The new source standard for this pollutant does not apply if (a) the mother liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1000 mg/l; (b) this mother liquor or raffinate is treated by ammonia steam stripping; and (c) such mother liquor or raffinate is not commingled with any other process or nonprocess waters prior to steam stripping for ammonia removal.

(g) Subpart J—Calcium Tungstate Precipitate Wash.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead 20.670 9.594

Zinc 75.280 31.000

Ammonia (as N) 9,838.000 4,325.000

Total suspended solids 1,107.000 885.600

pH (1) (1)

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

(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of ammonium paratungstate (as W) 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.

(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pound per million pounds) of tungstic oxide (as W) produced

Lead 0.773 0.359

Zinc 2.817 1.160

Ammonia (as N) 368.200 161.900

Total suspended solids 41.430 33.150

pH (1) (1)

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

(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of tungstic oxide (as W) produced

Lead 0.018 0.008

Zinc 0.064 0.026

Ammonia (as N) 8.398 3.692

Total suspended solids 0.945 0.756

pH (1) (1)

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

(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead .862 .400

Zinc 3.142 1.294

Ammonia (as N) 410.600 180.500

Total suspended solids 46.200 36.960

pH (1) (1)

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

(l) Subpart J—Reduction to Tungsten Water of Formation.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead .137 .064

Zinc .499 .205

Ammonia (as N) 65.190 28.660

Total suspended solids 7.335 5.868

pH (1) (1)

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

(m) Subpart J—Tungsten Power Acid Leach and Wash.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead .672 .312

Zinc 2.448 1.008

Ammonia (as N) 319.900 140.700

Total suspended solids 36.000 28.800

pH (1) (1)

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

(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

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

Lead .00 .000

Zinc .000 .000

Ammonia (as N) .000 .000

Total suspended solids .000 .000

pH (1) (1)

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