Parameter | 1st sampling* (mg∙l−1) | 2nd sampling* (mg∙l−1) |
Chloride | 420 ± 26 | 486 ± 32 |
Colour | 253 ± 19 | 238 ± 19 |
BOD5 | 694 ± 28 | 576 ± 75 |
COD | 1235 ± 34 | 1204 ± 13 |
N total | 0.76 ± 0.04 | 0.66 ± 0.06 |
P total | 1.36 ± 0.01 | 1.37 ± 0.03 |
pH | 7.4 | 7.2 |