Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Slag reclaim tailings.
NSPS for the Secondary Nickel Subcategory
Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
---|
| mg/kg (pounds per million pounds) of slag input to reclaim process
|
Chromium (total) | 5.653 | 2.313
|
Copper | 24.410 | 12.850
|
Nickel | 24.670 | 16.320
|
Total suspended solids | 526.800 | 250.500
|
pH | (
1) | (
1)
|
(b) Acid reclaim leaching filtrate.
NSPS for the Secondary Nickel Subcategory
Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
---|
| mg/kg (pounds per million pounds) of acid reclaim nickel produced
|
Chromium (total) | 2.198 | 0.899
|
Copper | 9.491 | 4.995
|
Nickel | 9.590 | 6.344
|
Total suspended solids | 204.800 | 97.400
|
pH | (
1) | (
1)
|
(c) Acid reclaim leaching belt filter backwash.
NSPS for the Secondary Nickel Subcategory
Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
---|
| mg/kg (pounds per million pounds) of acid reclaim nickel produced
|
Chromium (total) | 0.528 | 0.216
|
Copper | 2.278 | 1.199
|
Nickel | 2.302 | 1.523
|
Total suspended solids | 49.160 | 23.380
|
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 421.244