Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards: (a) Subpart B—Anode and Cathode Paste Plant Wet Air. Pollution Control—NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of paste produced Benzo(a)pyrene .000 Antimony .000 .000 Nickel .000 .000 Aluminum .000 .000 Fluoride .000 .000 Oil and grease .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (b) Subpart B—Anode Contact Cooling and Briquette Quenching. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of anodes cast Benzo(a)pyrene 0.007 0.003 Antimony .403 .180 Nickel .115 .077 Aluminum 1.277 .566 Fluoride 12.440 5.518 Oil and grease 2.090 2.090 Total suspended solids 3.135 2.508 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (c) Subpart B—Anode Bake Plant Wet Air Pollution Control. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of anodes baked Benzo(a)pyrene .000 Antimony .000 .000 Nickel .000 .000 Aluminum .000 .000 Fluoride .000 .000 Oil and grease .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (d) Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Not Commingled With Other Process or Nonprocess Waters). NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of cryolite recovered Benzo(a)pyrene 1.181 0.547 Antimony 420.400 189.200 Cyanide 157.600 70.060 Nickel 80.570 35.030 Aluminum 273.200 122.600 Fluoride 29,430.000 13,310.000 Oil and grease 350.300 350.300 Total suspended solids 2,172.000 945.800 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (e) Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Commingled With Other Process or Nonprocess Waters). NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of cryolite recovered Benzo(a)pyrene 1.181 0.547 Antimony 67.610 30.120 Cyanide 157.600 70.060 Nickel 19.270 12.960 Aluminum 214.000 94.930 Fluoride 2,084.000 924.800 Oil and grease 350.300 350.300 Total suspended solids 2,172.000 945.800 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (f) Subpart B—Potline Wet Air Pollution Control. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction Benzo(a)pyrene .000 Antimony .000 .000 Nickel .000 .000 Aluminum .000 .000 Fluoride .000 .000 Oil and grease .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (g) Subpart B—Potroom Wet Air Pollution Control. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction Benzo(a)pyrene .000 Antimony .000 .000 Nickel .000 .000 Aluminum .000 .000 Fluoride .000 .000 Oil and grease .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (h) Subpart B—Potline SO 2 Emissions Wet Air Pollution Control. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) aluminum produced from electrolytic reduction Benzo(a)pyrene 0.045 0.021 Antimony 2.588 1.153 Nickel .738 .496 Aluminum 8.194 3.634 Fluoride 79.790 35.400 Oil and grease 13.410 13.410 Total suspended solids 20.120 16.090 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (i) Subpart B—Degassing Wet Air Pollution Control. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction Benzo(a)pyrene .000 Antimony .000 .000 Nickel .000 .000 Aluminum .000 .000 Fluoride .000 .000 Oil and grease .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (j) Subpart B—Pot Repair and Pot Soaking. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction Benzo(a)pyrene .000 Antimony .000 .000 Nickel .000 .000 Aluminum .000 .000 Fluoride .000 .000 Oil and grease .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. (k) Subpart B—Direct Chill Casting Contact Cooling. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of aluminum product from direct chill casting Benzo(a)pyrene ( 1 ) ( 1 ) Antimony 2.565 1.143 Nickel .731 .492 Aluminum 8.120 3.602 Fluoride 79.080 35.090 Oil and grease 13.290 13.290 Total suspended solids 19.940 15.950 pH ( 2 ) ( 2 ) 1 There shall be no discharge allowance for this pollutant. 2 The pH shall be maintained within the range of 7.0 to 10.0 at all times except for those situations when this waste is discharged separately and without commingling with any other waste-water in which case the pH shall be within the range of 6.0 to 10.0 at all times. (l) Subpart B—Continuous Rod Casting Contact Cooling. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pound per million pounds) of aluminum product from rod casting Benzo(a)pyrene ( 1 ) ( 1 ) Antimony .201 .089 Nickel .057 .038 Aluminum .636 .282 Fluoride 6.188 2.746 Oil and grease 1.040 1.040 Total suspended solids 1.560 1.248 pH ( 2 ) ( 2 ) 1 There shall be no discharge allowance for this pollutant. 2 Within the range of 7.0 to 10.0 at all times. (m) Subpart B—Stationary Casting or Shot Casting Contact Cooling. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of aluminum product from stationary casting or shot casting Benzo(a)pyrene .000 Antimony .000 .000 Nickel .000 .000 Aluminum .000 .000 Fluoride .000 .000 Oil and grease .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.0 to 10.0 at all times. [49 FR 8792, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 52 FR 25558, July 7, 1987]