421.54—Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:
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 solids 7.470 5.976
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
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.
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.
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.
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]