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40 C.F.R. § 421.153

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

§ 421.153 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) Solvent extraction raffinate from bertrandite ore.

BAT Limitations for the Primary Beryllium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of beryllium carbonate produced from bertrandite ore as beryllium
Beryllium1,842.000831.000
Chromium (total)831.000336.900
Copper2,875.0001,370.000
Cyanide (total)449.200179.700
Ammonia (as N)299,400.000131,600.000
Fluoride78,610.00044,700.000

(b) Solvent extraction raffinate from beryl ore.

BAT Limitations for the Primary Beryllium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of beryllium carbonate produced from beryl ore as beryllium
Beryllium180.481.4
Chromium (total)81.433.0
Copper281.6134.2
Cyanide (total)44.017.6
Ammonia (as N)29,330.012,890.0
Fluoride7,700.04,378.0

(c) Beryllium carbonate filtrate.

BAT Limitations for the Primary Beryllium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of beryllium carbonate produced as beryllium
Beryllium175.90079.370
Chromium (total)79.37032.180
Copper274.600130.800
Cyanide (total)42.90017.160
Ammonia (as N)28,590.00012,570.000
Fluoride7,508.0004,269.000
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