Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Displacement Supernatant.
NSPS for the Secondary Indium Subcategory
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of indium metal produced
|
| Cadmium | 2.105 | 0.929
|
| Lead | 2.600 | 1.238
|
| Zinc | 9.037 | 3.776
|
| Indium | 2.724 | 1.114
|
| Total suspended solids | 253.800 | 120.700
|
| pH | (
1) | (
1)
|
(b) Spent Electrolyte.
NSPS for the Secondary Indium Subcategory
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of cathode indium produced
|
| Cadmium | 12.170 | 5.370
|
| Lead | 15.040 | 7.160
|
| Zinc | 52.270 | 21.840
|
| Indium | 15.750 | 6.444
|
| Total suspended solids | 1,468.000 | 698.100
|
| 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 421.194