421.74—Standards of performance for new sources.

Any new source subject to this subpart must achieve the following performance standards:
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kkg (pounds per billion pounds) of sinter production
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
1Within 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/kkg (pounds per billion pounds) of blast furnace lead bullion produced
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
1Within 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/kkg (pounds per billion pounds) of blast furnance lead bullion produced
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
1Within 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/kkg (pounds per billion pounds) of slag, speiss, or matte granulated
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
1Within 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/kkg (pounds per billion pounds) of dross reverberatory furnace production
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
1Within 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/kkg (pounds per billion pounds) of blast furnace lead bullion produced
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
1Within 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/kkg (pounds per billion pounds) of hard lead produced
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
1Within 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/kkg (pounds per billion pounds) of hard lead produced
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
1Within 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/kkg (pounds per billion pounds) of lead bullion produced
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (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/kkg (pounds per billion pounds) of lead bullion produced
Lead .924 .429
Zinc 3.366 1.386
Total suspended solids 49.500 39.600
pH (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/kkg (pounds per billion pounds) of lead bullion produced
Lead 1.484 .689
Zinc 5.406 2.226
Total suspended solids 79.500 63.600
pH (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/kkg (pounds per billion pounds) of lead bullion produced
Lead 4.340 2.015
Zinc 15.810 6.510
Total suspended solids 232.500 186.000
pH (1) (1)
Within the range of 7.5 to 10.0 at all times.
[49 FR 8803, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984]