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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 421 - Nonferrous Metals Manufacturing Point Source Category |
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Subpart E - Primary Electrolytic Copper Refining Subcategory |
§ 421.53 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Latest version.
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§ 421.53 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) Subpart E - Casting Contact Cooling.
BAT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of copper cast Arsenic .692 .309 Copper .638 .304 Nickel .274 .184 (b) Subpart E - Anode and Cathode Rinse.
BAT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode copper production Arsenic .000 .000 Copper .000 .000 Nickel .000 .000 (c) Subpart E - Spent Electrolyte.
BAT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of copper cathode production Arsenic .068 .031 Copper .063 .030 Nickel .027 .018 (d) Subpart E - Casting Wet Air Pollution Control.
BAT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of casting production Arsenic .000 .000 Copper .000 .000 Nickel .000 .000 (e) Subpart E - By-Product Recovery.
BAT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of product recovered from electrolytic slimes processing Arsenic .000 .000 Copper .000 .000 Nickel .000 .000 [49 FR 8801, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]