Collapse to view only § 421.53 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

§ 421.50 - Applicability: Description of the primary electrolytic copper refining subcategory.

The provisions of this subpart apply to process wastewater discharges resulting from the electrolytic refining of primary copper, including, but not limited to, anode casting performed at refineries which are not located on-site with a smelter, product casting, and by-product recovery.

§ 421.51 - Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 apply to this subpart.

(b) The term product means electrolytically refined copper.

§ 421.52 - 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 must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Effluent Limitations

Effluent characteristic Maximum for any 1 day Average of Daily values for 30 consecutive days shall not exceed (Metric units, kg/kkg of product; English units, pounds per 1,000 lb of product) Total suspended solids0.1000.050 Copper0.00170.0008 Cadmium0.000060.00003 Lead0.00060.0026 Zinc0.00120.0003 pH ( 1) ( 1)

1 Within the range of 6.0 to 9.0.

§ 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]

§ 421.54 - Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Subpart E—Casting Contact Cooling.

NSPS

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 Total suspended solids7.4705.976 pH( 1)( 1)

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

(b) Subpart E—Anode and Cathode Rinse.

NSPS

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 Total suspended solids.000.000 pH( 1)( 1)

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

(c) Subpart E—Spent Electrolyte.

NSPS

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 Total suspended solids.735.588 pH( 1)( 1)

1 Within the range 7.5 to 10.0 at all times.

(d) Subpart E—Casting Wet Air Pollution Control.

NSPS

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 Total suspended solids.000.000 pH( 1)( 1)

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

(e) Subpart E—By-Product Recovery.

NSPS

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 Total suspended solids.000.000 pH( 1)( 1)

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

[49 FR 8801, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984]

§ 421.55 - [Reserved]

§ 421.56 - Pretreatment standards for new sources.

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary electrolytic copper refining process wastewater introduced into a POTW shall not exceed the following values:

(a) Subpart E—Casting Contact Cooling.

PSNS

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.

PSNS

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.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode copper production Arsenic.068.031 Copper.063.030 Nickel.027.018

(d) Subpart E—Casting Wet Air Pollution Control.

PSNS

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.

PSNS

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, as amended at 49 FR 29795, July 24, 1984]

§ 421.57 - [Reserved]