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:
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 |
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 |
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 |
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 |
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 |
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.
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
40 C.F.R. §421.105