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 (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 [49 FR 8812, Mar. 8, 1984, as amended at 53 FR 1711, Jan. 21, 1988]