Item | Standard Index | Status | ||
Influent area | Effluent area | Average | ||
pH | 0.085 | 0.098 | 0.091 | Qualified |
DO | 0.273 | 0.204 | 0.239 | Qualified |
CODMn | 1.080 | 0.963 | 1.022 | Exceed standard |
CODcr | 1.020 | 1.370 | 1.195 | Exceed standard |
Ammonia nitrogen | 2.768 | 1.498 | 2.133 | Exceed standard |
BOD5 | 1.265 | 1.690 | 1.478 | Exceed standard |
TP | 2.960 | 2.240 | 2.600 | Exceed standard |
Petroleum class | 0.800 | 0.800 | 0.800 | Qualified |
Anionic surface-active agent | 0.150 | 0.150 | 0.150 | Qualified |
Volatile phenol | 0.100 | 0.100 | 0.100 | Qualified |
Sulfide | 0.015 | 0.015 | 0.015 | Qualified |
Cyanide | 0.003 | 0.003 | 0.003 | Qualified |
Zinc | 0.010 | 0.008 | 0.009 | Qualified |
Copper | 0.004 | 0.003 | 0.004 | Qualified |
Lead | 0.001 | 0.001 | 0.001 | Qualified |
Cadmium | 0.006 | 0.006 | 0.006 | Qualified |
Selenium | 0.010 | 0.010 | 0.010 | Qualified |
Mercury | 0.050 | 0.050 | 0.050 | Qualified |
Arsenic | 0.023 | 0.024 | 0.024 | Qualified |
Chromium of six valence | 0.040 | 0.040 | 0.040 | Qualified |
Fluoride | 0.672 | 0.538 | 0.605 | Qualified |