Samples | raw water | 6 hr column effluent | ||||||
Chlorination time | 1 hr | 4 hr | 12 hr | 24 hr | 1 hr | 4 hr | 12 hr | 24 hr |
CHCl3 | 327.6 | 440.2 | 700.7 | 918.9 | 77.6 | 139.5 | 265.8 | 403.5 |
CHCl2Br | 35.2 | 20.9 | 15.0 | 16.2 | 0 | 0 | 0 | 0 |
CHClBr2 | 18.4 | 9.1 | 0 | 0 | 0 | 0 | 0 | 0 |
CHBr3 | 20.4 | 19.3 | 0 | 0 | 0 | 0 | 0 | 0 |
Total THMs | 401.6 | 489.6 | 715.7 | 935.1 | 77.6 | 139.5 | 265.8 | 403.5 |
Samples | 12 hr column effluent | 24 hr column effluent | ||||||
Chlorination time | 1 hr | 4 hr | 12 hr | 24 hr | 1 hr | 4 hr | 12 hr | 24 hr |
CHCl3 | 61.9 | 140.3 | 249.9 | 345.2 | 87.5 | 202.5 | 398.7 | 521.4 |
CHCl2Br | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
CHClBr2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
CHBr3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Total THMs | 61.9 | 140.3 | 249.9 | 345.2 | 87.5 | 202.5 | 398.7 | 521.4 |