40 CFR 421.34 - Standards of performance for new sources.

§ 421.34 Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Subpart C—Scrap Drying Wet Air Pollution Control.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average.
1 Within the range of 7.0 to 10.0 at all times
mg/kg (pounds per million pounds) of aluminum scrap dried
Lead .000 .000
Zinc .000 .000
Aluminum .000 .000
Ammonia (as N) .000 .000
Total suspended solids .000 .000
Oil and grease .000 .000
pH (1) (1)
(b) Subpart C—Scrap Screening and Milling.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.0 to 10.0 at all times.
mg/kg (pounds per million pounds) of aluminum scrap screened and milled
Lead .000 .000
Zinc .000 .000
Aluminum .000 .000
Ammonia (as N) .000 .000
Total suspended solids .000 .000
Oil and grease .000 .000
pH (1) (1)
(c) Subpart C—Dross Washing.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.0 to 10.0 at all times.
mg/kg (pounds per million pounds) of dross washed
Lead .000 .000
Zinc .000 .000
Aluminum .000 .000
Ammonia (as N) .000 .000
Total suspended solids .000 .000
Oil and grease .000 .000
pH (1) (1)
(d) Subpart C—Demagging Wet Air Pollution Control.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.0 to 10.0 at all times.
mg/kg (lb/million lbs) of aluminum demagged
Lead 0.216 0.100
Zinc 0.786 0.324
Aluminum 4.711 2.090
Ammonia (as N) 102.800 45.180
Total suspended solids 11.570 9.252
Oil and grease 7.710 7.710
pH (1) (1)
(e) Subpart C—Delacquering Wet Air Pollution Control.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 At the source.
2 Within the range of 7.0 to 10.0 at all times.
mg/kg (pounds per million pounds) of aluminum delacquered
Lead 0.093 0.043
Zinc 0.340 0.140
Aluminum 2.035 0.903
Ammonia (as N) 44.389 19.514
Total phenolics (4-AAP method) 1 0.004
Total suspended solids 4.995 3.996
Oil and grease 3.330 3.330
pH (2) (2)
(f) Subpart C—Direct Chill Casting Contact Cooling.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.0 to 10.0 at all times.
mg/kg (pounds per million pounds) of aluminum cast
Lead .372 .173
Zinc 1.356 .558
Aluminum 8.120 3.602
Ammonia (as N) 177.200 77.880
Total suspended solids 19.940 15.950
Oil and grease 13.290 13.290
pH (1) (1)
(g) Subpart C—Ingot Conveyor Casting Contact Cooling (When Chlorine Demagging Wet Air Pollution Control is Not Practiced On-Site).
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.0 to 10.0 at all times.
mg/kg (lb/million lbs) of aluminum cast
Lead 0.019 0.009
Zinc 0.068 0.028
Aluminum 0.409 0.182
Ammonia (as N) 8.931 3.926
Total suspended solids 1.005 0.804
Oil and grease 0.670 0.670
pH (1) (1)
(h) Subpart C—Ingot Conveyor Casting Contact Cooling (When Chlorine Demagging Wet Air Pollution Control is Practiced On Site).
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1Within the range of 7.0 to 10.0 at all times.
mg/kg (pounds per million pounds) of aluminum cast
Lead .000 .000
Zinc .000 .000
Aluminum .000 .000
Ammonia (as N) .000 .000
Total suspended solids .000 .000
Oil and grease .000 .000
pH (1) (1)
(i) Subpart C—Stationary Casting Contact Cooling.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1Within the range of 7.0 to 10.0 at all times.
mg/kg (pounds per million pounds) of aluminum cast
Lead .000 .000
Zinc .000 .000
Aluminum .000 .000
Ammonia (as N) .000 .000
Total suspended solids .000 .000
Oil and grease .000 .000
pH (1) (1)
(j) Subpart C—Shot Casting Contact Cooling.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.0 to 10.0 at all times.
mg/kg (pounds per million pounds) of aluminum cast
Lead .000 .000
Zinc .000 .000
Aluminum .000 .000
Ammonia (as N) .000 .000
Total suspended solids .000 .000
Oil and grease .000 .000
pH (1) (1)
[49 FR 8796, Mar. 8, 1984, as amended at 49 FR 29794, July 24, 1984; 52 FR 25559, July 7, 1987]

Title 40 published on 2013-07-01

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