Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Subpart C—Scrap Drying Wet Air Pollution Control.
| 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)
|
(b) Subpart C—Scrap Screening and Milling.
| 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)
|
(c) Subpart C—Dross Washing.
| 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)
|
(d) Subpart C—Demagging Wet Air Pollution Control.
| 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)
|
(e) Subpart C—Delacquering Wet Air Pollution Control.
| 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)
|
(f) Subpart C—Direct Chill Casting Contact Cooling.
| 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)
|
(g) Subpart C—Ingot Conveyor Casting Contact Cooling (When Chlorine Demagging Wet Air Pollution Control is Not Practiced On-Site).
| 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)
|
(h) Subpart C—Ingot Conveyor Casting Contact Cooling (When Chlorine Demagging Wet Air Pollution Control is Practiced On Site).
| 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)
|
(i) Subpart C—Stationary Casting Contact Cooling.
| 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)
|
(j) Subpart C—Shot Casting Contact Cooling.
| 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)
|
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”);
33 U.S.C. 1311,
1314,
c,
e,
and, 1316 (b) and
c, 1317 (b) and
c,
1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4
source: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.
cite as: 40 CFR 421.34