Tap water sampling | TTHMscMean (SDd) | CHCl3Mean (SD) | CHBr2Cl Mean (SD) | CHBrCl2Mean (SD) |
---|---|---|---|---|
Sampling sites | Â | Â | Â | Â |
All sites | 9.8 (12.4) | 7.8 (10.2) | 0.3 (0.5) | 1.7 (2.2) |
Low THM levela | 1.3 (1.2) | 0.9 (1.0) | 0.1 (0.2) | 0.3 (0.5) |
High THM levelb | 21.9 (10.9) | 17.7 (9.0) | 0.5 (0.6) | 3.6 (2.1) |
Year of sampling | Â | Â | Â | Â |
2007 all sites | 10.3 (13.5) | 8.7 (12.0) | 0 (0 e) | 1.5 (1.6) |
Low THM levela | 0.9 (1.3) | 0.39 (1.0) | 0 (0) | 0.6 (0.5) |
High THM levelb | 24.2 (11.0) | 21.3 (9.6) | 0 (0) | 2.9 (1.7) |
2008 all sites | 6.2 (10.2) | 4.4 (7.5) | 0.3 (0.5) | 1.5 (2.4) |
Low THM levela | 1.5 (1.1) | 0.9 (0.6) | 0.2 (0.3) | 0.5 (0.5) |
High THM levelb | 12.7 (13.5) | 9.3 (9.8) | 0.6 (0.6) | 2.8 (3.3) |
2009 all sites | 11.8 (12.8) | 9.5 (10.0) | 0.4 (0.5) | 1.9 (2.3) |
Low THM levela | 1.3 (1.1) | 1.3 (1.0) | 0.1 (0.2) | 0.1 (0.2) |
High THM levelb | 26.5 (2.9) | 21.0 (2.3) | 0.9 (0.4) | 4.6 (0.5) |
Season of sampling | Â | Â | Â | Â |
Spring all sites | 8.5 (12.1) | 6.8 (9.7) | 0.3 (0.4) | 1.4 (2.1) |
Low THM levela | 1.4 (1.3) | 1.2 (1.1) | 0.1 (0.3) | 0.2 (0.4) |
High THM levelb | 18.3 (13.6) | 14.7 (10.9) | 0.5 (0.5) | 3.1 (2.3) |
Summer all sites | 9.9 (12.7) | 8.3 (11.3) | 0 (0) | 1.6 (1.7) |
Low THM levela | 1.0 (1.4) | 0.4 (1.0) | 0 (0) | 0.7 (0.5) |
High THM levelb | 24.1 (8.3) | 21.0 (7.0) | 0 (0) | 3.1 (2.0) |
Autumn all sites | 11.1 (13.4) | 8.8 (11.1) | 0.2 (0.5) | 2.0 (2.4) |
Low THM levela | 1.2 (1.1) | 0.8 (0.9) | 0 (0) | 0.4 (0.5) |
High THM levelb | 24.8 (9.7) | 20.1 (8.6) | 0.6 (0.6) | 4.2 (2.4) |
Winter all sites | 10.9 (12.1) | 8.4 (9.3) | 0.5 (0.6) | 1.9 (9.3) |
Low THM levela | 1.1 (1.0) | 0.9 (0.6) | 0.1 (0.3) | 0.1 (0.3) |
High THM levelb | 24.5 (1.4) | 18.9 (1.2) | 1.1 (0.1) | 4.5 (0.2) |