Collapse to view only § 421.101 - Specialized definitions.
- § 421.100 - Applicability: Description of the primary tungsten subcategory.
- § 421.101 - Specialized definitions.
- § 421.102 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 421.103 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 421.104 - Standards of performance for new sources.
- § 421.105 - Pretreatment standards for existing sources.
- § 421.106 - Pretreatment standards for new sources.
- § 421.107 - [Reserved]
§ 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.
§ 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.
§ 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.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
(b) Subpart J—Acid Leach Wet Air Pollution Control.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
(c) Subpart J—Alkali Leach Wash.
BPT Effluent Limitations
| 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.
BPT Effluent Limitations
| 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) |
|---|
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).
BPT Effluent Limitations
| 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) |
|---|
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).
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
2 The effluent limitation guideline 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.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.
BPT Effluent Limitations
| 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.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
(l) Subpart J—Reduction to Tungsten Water of Formation.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
(m) Subpart J—Tungsten Powder Acid Leach and Wash.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
BPT Effluent Limitations
| 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) |
|---|
1 Within the range of 7.0 to 10.0 at all times.
§ 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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).
BAT Effluent Limitations
| 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).
BAT Effluent Limitations
| 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 |
|---|
1 The effluent limitation for this pollutant does not apply if a) the motor liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1000 mg/1; 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
BAT Effluent Limitations
| 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.
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) |
|---|
1Within 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) |
|---|
1Within 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) |
|---|
1Within 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) |
|---|
1Within the range of 7.0 to 10.0 at all times.
§ 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.
PSES
| 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.
PSES
| 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.
PSES
| 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.
PSES
| 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).
PSES
| 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).
PSES
| 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 |
|---|
1 The pretreatment 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.
PSES
| 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.
PSES
| 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.
PSES
| 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.
PSES
| 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.
PSES
| 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.
PSES
| 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.
PSES
| 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 |
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(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
PSES
| 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 |
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§ 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.
PSNS
| 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 |
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(b) Subpart J—Acid Leach Wet Air Pollution Control.
PSNS
| 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 |
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(c) Subpart J—Alkali Leach Wash.
PSNS
| 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 |
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(d) Subpart J—Alkali Leach Wash Condensate.
PSNS
| 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 |
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(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).
PSNS
| 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 |
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(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).
PSNS
| 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 |
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1 The pretreatment 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.
PSNS
| 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 |
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(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.
PSNS
| 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 |
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(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.
PSNS
| 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 |
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(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
PSNS
| 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 |
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(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.
PSNS
| 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 |
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(l) Subpart J—Reduction to Tungsten Water of Formation.
PSNS
| 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 |
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(m) Subpart J—Tungsten Powder Acid Leach and Wash.
PSNS
| 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 |
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(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
PSNS
| 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 |
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