40 CFR 421.183: 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) Still liquor.

BAT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of germanium chlorinated

Arsenic 131.700 58.590

Lead 26.460 12.600

Zinc 91.980 38.430

Fluoride 2,205.000 1,254.000

(b) Chlorinator wet air pollution control.

BAT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of germanium chlorinated

Arsenic 27.530 12.250

Lead 5.531 2.634

Zinc 19.230 8.034

Fluoride 461.000 262.100

(c) Germanium hydrolysis filtrate.

BAT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of germanium hydrolyzed

Arsenic 39.440 17.550

Lead 7.925 3.774

Zinc 27.550 11.510

Fluoride 660.500 375.500

(d) Acid wash and rinse water.

BAT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of germanium washed

Arsenic 325.50 144.80

Lead 65.40 31.14

Zinc 227.40 94.99

Fluoride 5,450.00 3,099.00

(e) Gallium hydrolysis filtrate.

BAT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of germanium hydrolyzed

Arsenic 70.450 31.350

Lead 14.160 6.742

Zinc 49.220 20.560

Fluoride 1,180.000 670.800

(f) Solvent extraction raffinate.

BAT Limitations for the Primary and Secondary Germanium and Gallium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kg (pounds per million pounds) of gallium produced by solvent extraction

Arsenic 39.330 17.500

Lead 7.904 3.764

Zinc 27.480 11.480

Fluoride 658.700 374.500