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. |
|---|---|---|
| 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) |
1Within the range of 7.0 to 10.0 at all times
(b) Subpart C—Scrap Screening and Milling.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| 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) |
1Within the range of 7.0 to 10.0 at all times.
(c) Subpart C—Dross Washing.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| 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) |
1Within the range of 7.0 to 10.0 at all times.
(d) Subpart C—Demagging Wet Air Pollution Control.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| 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) |
1Within the range of 7.0 to 10.0 at all times.
(e) Subpart C—Delacquering 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 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) |
1At the source.
2Within the range of 7.0 to 10.0 at all times.
(f) Subpart C—Direct Chill 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 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) |
1Within the range of 7.0 to 10.0 at all times.
(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 |
|---|---|---|
| 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) |
1Within the range of 7.0 to 10.0 at all times.
(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 |
|---|---|---|
| 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) |
1Within the range of 7.0 to 10.0 at all times.
(i) Subpart C—Stationary 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 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) |
1Within the range of 7.0 to 10.0 at all times.
(j) Subpart C—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 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) |
1Within the range of 7.0 to 10.0 at all times.
[49 FR 8796, Mar. 8, 1984, as amended at 49 FR 29794, July 24, 1984; 52 FR 25559, July 7, 1987]
Tried the LawStack mobile app?
Join thousands and try LawStack mobile for FREE today.
- Carry the law offline, wherever you go.
- Download CFR, USC, rules, and state law to your mobile device.
