§ 414.44 New source performance standards (NSPS).
Current through Aug 22, 2025 · Read all of Part 414
(a) Any new source that uses end-of-pipe biological treatment and is subject to this subpart must achieve discharges in accordance with § 414.91 of this part, and also must not exceed the quantity (mass) determined by multiplying the process wastewater flow subject to this subpart times the concentrations in the following table.
(b) Any new source that does not use end-of-pipe biological treatment and is subject to this subpart must achieve discharges in accordance with § 414.101 of this part, and also must not exceed the quantity (mass) determined by multiplying the process wastewater flow subject to this subpart times the concentrations in the following table.
| Effluent characteristics | NSPS 1 | |
|---|---|---|
| Maximum for any one day | Maximum for monthly average | |
| BOD5 | 64 | 24 |
| TSS | 130 | 40 |
| pH | ( 2) | ( 2) |
1 All units except pH are milligrams per liter.
2 Within the range of 6.0 to 9.0 at all times.