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§ 461.33 New source performance standards (NSPS).
(a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below:
(1) Subpart C—Open Formation—Dehydrated—NSPS.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of lead used | ||
| English units—pounds per 1,000,000 pounds of lead used | ||
| Copper | 2.15 | 1.02 |
| Lead | 0.47 | 0.21 |
| Iron | 2.01 | 1.02 |
| Oil and grease | 16.80 | 16.80 |
| TSS | 25.20 | 20.16 |
| pH | ( 1) | ( 1) |
1 Within the limits of 7.5 to 10.0 at all times.
(2) Subpart C—Open Formation—Wet—NSPS.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of lead used | ||
| English units—pounds per 1,000,000 pounds of lead used | ||
| Copper | 0.067 | 0.032 |
| Lead | 0.014 | 0.006 |
| Iron | 0.063 | 0.032 |
| Oil and grease | 0.53 | 0.53 |
| TSS | 0.80 | 0.64 |
| pH | ( 1) | ( 1) |