Pollutant name | COD (mg/L) | TP (mg/L) | Ammonia nitrogen (mg/L) | Oil (mg/L) | As (mg/L) | Cd (mg/L) | Pb (mg/L) |
Evaluation criteria | 20 | 0.2 | 1 | 0.05 | 0.05 | 0.005 | 0.05 |