Regulations last checked for updates: Nov 23, 2024
Title 40 - Protection of Environment last revised: Nov 21, 2024
§ 421.100 - Applicability: Description of the primary tungsten subcategory.
The provisions of this subpart are applicable to discharges resulting from the production of tungsten at primary tungsten facilities.
[49 FR 8812, Mar. 8, 1984]
§ 421.101 - Specialized definitions.
For the purpose of this subpart the general information, abbreviations, and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.
[49 FR 8812, Mar. 8, 1984]
§ 421.102 - Effluent limitations guidelines 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 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:
(a) Subpart J—Tungstic Acid Rinse.
| 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 | 17.230 | 8.205
|
| Zinc | 59.900 | 25.030
|
| Ammonia (as N) | 5,469.000 | 2,404.00
|
| Total suspended solids | 1,682.000 | 800.000
|
| pH | (
1) | (
1)
|
(b) Subpart J—Acid Leach Wet Air Pollution Control.
| 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 | 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)
|
(c) Subpart J—Alkali Leach Wash.
| 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)
|
(d) Subpart J—Alkali Leach Wash Condensate.
| 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 | 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)
|
(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).
| 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 | 37.160 | 17.700
|
| Zinc | 129.200 | 53.970
|
| Ammonia (as N) | 11,790.000 | 5,185.000
|
| Total Suspended solids | 3,627.000 | 1,726.000
|
| pH | (
1) | (
1)
|
(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).
| 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 | 37.160 | 17.700
|
| Zinc | 129.200 | 53.970
|
| Ammonia (as N) (
2) | 11,790.000 | 5,185.000
|
| Total suspended solids | 3,627.000 | 1,726.000
|
| pH | (
1) | (
1)
|
(g) Subpart J—Calcium Tungstate Precipitate Wash.
| 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 | 31.000 | 14.760
|
| Zinc | 107.800 | 45.020
|
| Ammonia (as N) | 9,838.000 | 4,325.000
|
| Total suspended solids | 3,026.000 | 1,439.000
|
| pH | (
1) | (
1)
|
(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.
| 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)
|
(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.
| 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 | 11.600 | 5.523
|
| Zinc | 40.320 | 16.850
|
| Ammonia (as N) | 3,681.000 | 1,618.000
|
| Total suspended solids | 1,132.000 | 538.500
|
| pH | (
1) | (
1)
|
(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
| 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 | 0.026 | 0.013
|
| Zinc | 0.092 | 0.038
|
| Ammonia (as N) | 8.398 | 3.692
|
| Total suspended solids | 2.583 | 1.229
|
| pH | (
1) | (
1)
|
(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| 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)
|
(l) Subpart J—Reduction to Tungsten Water of Formation.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tungsten metal produced
|
| Lead | .205 | .098
|
| Zinc | .714 | .298
|
| Ammonia (as N) | 65.190 | 28.660
|
| Total suspended solids | 20.050 | 9.536
|
| pH | (
1) | (
1)
|
(m) Subpart J—Tungsten Powder Acid Leach and Wash.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tungsten metal produced
|
| Lead | 1.008 | 0.48
|
| Zinc | 3.504 | 1.464
|
| Ammonia (as N) | 319.900 | 140.700
|
| Total suspended solids | 98.400 | 46.800
|
| pH | (
1) | (
1)
|
(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tungsten metal produced
|
| Lead | .000 | .000
|
| Zinc | .000 | .000
|
| Ammonia (as N) | .000 | .000
|
| Total suspended solids | .000 | .000
|
| pH | (
1) | (
1)
|
§ 421.103 - Effluent limitations guidelines 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 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:
(a) Subpart J—Tungstic Acid Rinse.
| 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 |
(b) Subpart J—Acid Leach Wet Air Pollution Control.
| 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 |
(c) Subpart J—Alkali Leach Wash.
| 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 |
(d) Subpart J—Alkali Leach Wash Condensate.
| 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 |
(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).
| 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 |
(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).
| 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)
1 | 11,790.000 | 5,185.000
|
(g) Subpart J—Calcium Tungstate Precipitate Wash.
| Pollutant or pollutant property
| Maximum for any one 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 |
(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.
| Pollutant or pollutant property
| Maximum for any one 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 |
(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds 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 |
(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
| Pollutant or pollutant property
| Maximum for any one 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 |
(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per/million pounds) of tungsten metal produced
|
| Lead | 0.862 | 0.400
|
| Zinc | 3.142 | 1.294
|
| Ammonia (as N) | 410.600 | 180.500 |
(l) Subpart J—Reduction to Tungsten Water of Formation.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| 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 |
(m) Subpart J—Tungsten Powder Acid Leach and Wash.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| 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 |
(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tungsten metal produced
|
| Lead | 0.000 | 0.000
|
| Zinc | 0.000 | 0.000
|
| Ammonia (as N) | 0.000 | 0.000 |
§ 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.
| 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)
|
(b) Subpart J—Acid Leach Wet Air Pollution
| 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)
|
(c) Subpart J—Alkali Leach Wash.
| 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)
|
(d) Subpart J—Alkali Leach Wash Condensate.
| 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)
|
(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).
| 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)
|
(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).
| 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)
|
(g) Subpart J—Calcium Tungstate Precipitate Wash.
| 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)
|
(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.
| 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)
|
(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.
| 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)
|
(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
| 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)
|
(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.
| 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)
|
(l) Subpart J—Reduction to Tungsten Water of Formation.
| 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)
|
(m) Subpart J—Tungsten Power Acid Leach and Wash.
| 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)
|
(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
| 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)
|
§ 421.105 - Pretreatment standards for existing sources.
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in primary tungsten process wastewater introduced into a POTW shall not exceed the following values:
(a) Subpart J—Tungstic Acid Rinse.
| 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 |
(b) Subpart J—Acid Leach Wet Air Pollution Control.
| 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 |
(c) Subpart J—Alkali Leach Wash.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tungstate (as W) produced
|
| Lead | 0.000 | 0.000
|
| Zinc | 0.000 | 0.000
|
| Ammonia (as N) | 0.000 | 0.000 |
(d) Subpart J—Alkali Leach Wash Condensate.
| 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 |
(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tungstate (as W) produced
|
| Lead | 24.780 | 11.500
|
| Zinc | 90.240 | 37.160
|
| Ammonia (as N) | 11,790.000 | 5,185.000 |
(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).
| 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)
1 | 11,790.000 | 5,185.000
|
(g) Subpart J—Calcium Tungstate Precipitate Wash.
| 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 |
(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.
| 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 |
(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.
| 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 | 0.773 | 0.359
|
| Zinc | 2.817 | 1.160
|
| Ammonia (as N) | 368.200 | 161.900 |
(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
| 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 |
(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.
| 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 |
(l) Subpart J—Reduction to Tungsten Water of Formation.
| 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 |
(m) Subpart J—Tungsten Powder Acid Leach and Wash.
| 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 |
(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds of tungsten metal produced
|
| Lead | 0.000 | 0.000
|
| Zinc | 0.000 | 0.000
|
| Ammonia (as N) | 0.000 | 0.000 |
§ 421.106 - Pretreatment standards for new sources.
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary tungsten process wastewater introduced into a POTW shall not exceed the following values:
(a) Subpart J—Tungstic Acid Rinse.
| 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 |
(b) Subpart J—Acid Leach Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) of tungstic acid (as W) produced
|
| Lead | 1.003 | 0.466
|
| Zinc | 3.653 | 1.504
|
| Ammonia (as N) | 477.400 | 209.900 |
(c) Subpart J—Alkali Leach Wash.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) of sodium tungstate (as W) produced
|
| Lead | 0.000 | 0.000
|
| Zinc | 0.000 | 0.000
|
| Ammonia (as N) | 0.000 | 0.000 |
(d) Subpart J—Alkali Leach Wash Condensate.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) 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 |
(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) 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 |
(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) of ammonium tungstate (as W) produced
|
| Lead | 24.780 | 11.500
|
| Zinc | 90.240 | 37.160
|
| Ammonia (as N)(
1) | 11,790.000 | 5,185.000
|
(g) Subpart J—Calcium Tungstate Precipitate Wash.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) 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 |
(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) of ammonium paratungstate (as W) produced
|
| Lead | 0.000 | 0.000
|
| Zinc | 0.000 | 0.000
|
| Ammonia (as N) | 0.000 | 0.000 |
(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) of tungstic oxide (as W) produced
|
| Lead | 0.773 | 0.359
|
| Zinc | 2.817 | 1.160
|
| Ammonia (as N) | 368.200 | 161.900 |
(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) of tungstic oxide (as W) produced
|
| Lead | 0.018 | 0.008
|
| Zinc | 0.064 | 0.026
|
| Ammonia (as N) | 8.398 | 3.692 |
(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million) of tungsten metal produced
|
| Lead | .862 | .400
|
| Zinc | 3.142 | 1.294
|
| Ammonia (as N) | 410.600 | 180.500 |
(l) Subpart J—Reduction to Tungsten Water of Formation.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (lb/ million lbs) of tungsten metal produced
|
| Lead | .137 | .064
|
| Zinc | .499 | .205
|
| Ammonia (as N) | 65.190 | 28.660 |
(m) Subpart J—Tungsten Powder Acid Leach and Wash.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| | mg/kg (parts per million) of tungsten metal produced
|
| Lead | .672 | .312
|
| Zinc | 2.448 | 1.008
|
| Ammonia (as N) | 319.900 | 140.700 |
(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
| Pollutant or pollutant property
| Maximum for any one day
| Maximum for monthly average
|
|---|
| mg/kg (parts per million) of tungsten metal produced
|
| Lead | 0.000 | 0.000
|
| Zinc | 0.000 | 0.000
|
| Ammonia (as N) | 0.000 | 0.000 |
§ 421.107 - [Reserved]
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”);
33 U.S.C. 1311,
1314,
c,
e,
and, 1316 (b) and
c, 1317 (b) and
c,
1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4
source: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.
cite as: 40 CFR 421.102