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) Leach Tailings. BAT Limitations for the Secondary Molybdenum and Vanadium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of technical grade molybdenum plus vanadium plus pure grade molybdenum produced Arsenic 27.120 12.097 Chromium 7.219 2.927 Lead 5.463 2.536 Nickel 10.731 7.219 Iron 23.413 11.902 Molybdenum [Reserved] [Reserved] Ammonia (as N) 8078.000 3551.000 (b) Molybdenum filtrate solvent extraction raffinate. BAT Limitations for the Secondary Molybdenum and Vanadium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of technical grade molybdenum plus vanadium plus pure grade molybdenum produced Arsenic 80.952 36.108 Chronium 21.548 8.736 Lead 16.306 7.571 Nickel 32.031 21.548 Iron 69.887 35.526 Molybdenum [Reserved] [Reserved] Ammonia (as N) 24114.000 10600.000 (c) Vanadium decomposition wet air pollution control. BAT Limitations for the Secondary Molybdenum and Vanadium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of vanadium produced by decomposition Arsenic 0.000 0.000 Chromium 0.000 0.000 Lead 0.000 0.000 Nickel 0.000 0.000 Iron 0.000 0.000 Molybdenum 0.000 0.000 Ammonia (as N) 0.000 0.000 (d) Molybdenum drying wet air pollution control. BAT Limitations for the Secondary Molybdenum and Vanadium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum produced Arsenic 0.000 0.000 Chromium 0.000 0.000 Lead 0.000 0.000 Nickel 0.000 0.000 Iron 0.000 0.000 Molybdenum 0.000 0.000 Ammonia (as N) 0.000 0.000 (e) Pure Grade Molybdenum. BAT Limitations for the Secondary Molybdenum and Vanadium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of pure molybdenum produced Arsenic 32.359 14.434 Chromium 8.614 3.492 Lead 6.518 3.026 Nickel 12.804 8.614 Iron 27.936 14.201 Molybdenum [Reserved] [Reserved] Ammonia (as N) 9638.000 4237.000 [50 FR 38357, Sept. 20, 1985, as amended at 55 FR 31703, 31704, Aug. 3, 1990]