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 molybdenum and rhenium process wastewater introduced into a POTW shall not exceed the following values:
PSNS for the Primary Molybdenum and Rhenium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of molybdenum sulfide leached | ||
Arsenic | 0.644 | 0.287 |
Lead | 0.130 | 0.060 |
Nickel | 0.255 | 0.171 |
Selenium | 0.380 | 0.171 |
Molybdenum | [Reserved] | [Reserved]. |
Ammonia (as N) | 61.720 | 27.130 |
Fluoride | 16.210 | 9.214 |
PSNS for the Primary Molybdenum and Rhenium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of molybdenum sulfide roasted | ||
Arsenic | 2.334 | 1.041 |
Lead | 0.470 | 0.218 |
Nickel | 0.924 | 0.621 |
Selenium | 1.377 | 0.621 |
Molybdenum | [Reserved] | [Reserved]. |
Ammonia (as N) | 223.800 | 98.390 |
Fluoride | 58.770 | 33.410 |
PSNS for the Primary Molybdenum and Rhenium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of molybdenum contained in molybdic oxide leached | ||
Arsenic | 16.100 | 7.182 |
Lead | 3.244 | 1.506 |
Nickel | 6.371 | 4.286 |
Selenium | 9.499 | 4.286 |
Molybdenum | [Reserved] | [Reserved]. |
Ammonia (as N) | 1,544.000 | 678.800 |
Fluoride | 405.400 | 230.500 |
PSNS for the Primary Molybdenum and Rhenium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of molybdenum metal powder produced | ||
Arsenic | 3.183 | 1.420 |
Lead | 0.641 | 0.298 |
Nickel | 1.260 | 0.847 |
Selenium | 1.878 | 0.847 |
Molybdenum | [Reserved] | [Reserved]. |
Ammonia (as N) | 305.300 | 134.200 |
Fluoride | 80.150 | 45.570 |
PSNS for the Primary Molybdenum and Rhenium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of molybdenum sulfide roasted | ||
Arsenic | 0.995 | 0.444 |
Lead | 0.201 | 0.093 |
Nickel | 0.394 | 0.265 |
Selenium | 0.587 | 0.265 |
Molybdenum | [Reserved] | [Reserved]. |
Ammonia (as N) | 95.440 | 41.960 |
Fluoride | 25.060 | 14.250 |
40 C.F.R. §421.216