Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

§ 421.322 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

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 practiacable technology currently available:

(a) Refinery sump filtrate.

BPT Limitations for the Secondary Uranium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of uranium processed in the refinery
Chromium32.27013.200
Copper139.30073.340
Nickel140.80093.140
Fluoride2,567.0001,459.000
Total suspended solids3,007.0001,430.000
pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Slag leach reslurry.

BPT Limitations for the Secondary Uranium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of uranium processed in the refinery
Chromium (total)2.0090.822
Copper8.6754.566
Nickel8.7675.799
Fluoride159.80090.860
Total suspended solids187.20089.040
pH( 1)( 1)
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