40 CFR 421.103 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

§ 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
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.
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.
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
[49 FR 8812, Mar. 8, 1984, as amended at 53 FR 1708, Jan. 21, 1988]

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