指标 | CODMn ≤ | N-NH3 ≤ | BOD5 ≤ | TP ≤ | TN ≤ |
I | 2 | 0.15 | 3 | 0.02 | 0.2 |
II | 4 | 0.5 | 3 | 0.1 | 0.5 |
III | 6 | 1.0 | 4 | 0.2 | 1.0 |
IV | 10 | 1.5 | 6 | 0.3 | 1.5 |
V | 15 | 2.0 | 10 | 0.4 | 2.0 |