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

§ 421.223 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
Arsenic27.12012.097
Chromium7.2192.927
Lead5.4632.536
Nickel10.7317.219
Iron23.41311.902
Molybdenum[Reserved][Reserved]
Ammonia (as N)8078.0003551.000
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