Table 3 Results (MR: mean ± deviation) of the Ames test (TA98) for Plant B
Period | Dose (L/plate) | 2007 | 2008 | 2009 | ||||
---|---|---|---|---|---|---|---|---|
−S9 | +S9 | −S9 | +S9 | −S9 | +S9 | |||
Level period | Raw water | 0.5 | 1.71 ± 0.10 | 1.30 ± 0.16 | 2.26 ± 0.74 | 1.51 ± 0.17 | 1.04 ± 0.41 | 1.10 ± 0.10 |
1 | 2.48 ± 0.17 | 2.09 ± 0.44 | 2.61 ± 0.11 | 2.62 ± 0.50 | 0.99 ± 0.48 | 1.25 ± 0.13 | ||
2 | 5.41 ± 0.24 | 3.35 ± 0.29 | 1.40 ± 0.24 | 4.73 ± 0.19 | 1.23 ± 0.29 | 1.84 ± 0.23 | ||
Finished water | 0.5 | 1.99 ± 0.12 | 3.03 ± 0.16 | 3.08 ± 0.50 | 1.65 ± 0.19 | 2.45 ± 0.10 | 1.54 ± 0.11 | |
1 | 3.41 ± 0.29 | 4.80 ± 0.31 | 3.64 ± 0.04 | 2.34 ± 0.13 | 3.50 ± 0.34 | 2.68 ± 0.55 | ||
2 | 9.95 ± 0.65 | 10.1 ± 0.31 | 7.11 ± 0.79 | 3.73 ± 0.47 | 6.08 ± 0.09 | 5.05 ± 0.21 | ||
Distribution water | 0.5 | 1.48 ± 0.05 | 1.38 ± 0.19 | 2.70 ± 0.18 | 1.77 ± 0.02 | 1.90 ± 0.70 | 1.82 ± 0.20 | |
1 | 1.94 ± 0.13 | 1.79 ± 0.46 | 4.05 ± 0.55 | 2.86 ± 0.07 | 3.33 ± 0.31 | 2.96 ± 0.25 | ||
2 | 3.39 ± 0.19 | 2.52 ± 0.31 | 10.89 ± 0.00 | 4.32 ± 0.51 | 5.20 ± 0.00 | 5.21 ± 0.23 | ||
Wet period | Raw water | 0.5 | 0.85 ± 0.17 | 1.21 ± 0.15 | 1.10 ± 0.76 | 1.44 ± 0.44 | 1.28 ± 0.69 | 1.09 ± 0.42 |
1 | 1.00 ± 0.03 | 1.32 ± 0.05 | 1.68 ± 0.20 | 1.58 ± 0.34 | 1.40 ± 0.82 | 1.48 ± 0.51 | ||
2 | 2.24 ± 0.55 | 1.92 ± 0.07 | 2.22 ± 0.25 | 3.28 ± 0.23 | 2.05 ± 0.41 | 1.76 ± 0.25 | ||
Finished water | 0.5 | 1.35 ± 0.49 | 1.10 ± 0.08 | 3.90 ± 0.71 | 2.19 ± 0.47 | 1.51 ± 0.54 | 1.64 ± 0.40 | |
1 | 1.91 ± 0.21 | 1.23 ± 0.06 | 5.89 ± 0.29 | 2.89 ± 0.25 | 1.85 ± 0.35 | 1.50 ± 0.22 | ||
2 | 2.39 ± 0.38 | 1.47 ± 0.10 | 10.96 ± 0.49 | 7.19 ± 0.48 | 2.63 ± 0.49 | 2.42 ± 0.02 | ||
Distribution water | 0.5 | 1.43 ± 0.59 | 1.39 ± 0.11 | 1.70 ± 0.87 | 1.27 ± 0.29 | 1.42 ± 0.09 | 1.26 ± 0.47 | |
1 | 1.66 ± 0.56 | 1.51 ± 0.19 | 2.94 ± 0.42 | 1.97 ± 0.02 | 1.86 ± 0.33 | 1.62 ± 0.25 | ||
2 | 2.31 ± 0.59 | 2.10 ± 0.37 | 3.77 ± 0.51 | 3.15 ± 0.04 | 3.02 ± 0.33 | 2.39 ± 0.60 | ||
Dry period | Raw water | 0.5 | 3.06 ± 0.17 | 0.77 ± 0.30 | 1.08 ± 0.29 | 0.71 ± 0.12 | 1.26 ± 0.06 | 1.89 ± 0.22 |
1 | 2.23 ± 0.29 | 0.82 ± 0.15 | 0.93 ± 0.33 | 0.77 ± 0.44 | 1.42 ± 0.28 | 2.43 ± 0.05 | ||
2 | 4.18 ± 1.09 | 1.68 ± 0.16 | 1.15 ± 0.53 | 0.81 ± 0.09 | 2.28 ± 0.28 | 3.50 ± 0.58 | ||
Finished water | 0.5 | 3.16 ± 0.42 | 1.71 ± 0.14 | 1.01 ± 0.31 | 1.05 ± 0.05 | 1.63 ± 0.25 | 1.88 ± 0.51 | |
1 | 5.15 ± 0.41 | 2.17 ± 0.27 | 1.21 ± 0.23 | 0.95 ± 0.30 | 2.55 ± 0.69 | 2.29 ± 0.32 | ||
2 | 10.80 ± 1.76 | 4.77 ± 0.62 | 1.25 ± 0.17 | 1.30 ± 0.09 | 3.83 ± 0.82 | 3.82 ± 0.24 | ||
Distribution water | 0.5 | 3.82 ± 0.62 | 1.50 ± 0.06 | 1.29 ± 0.02 | 1.08 ± 0.12 | 1.26 ± 0.73 | 1.65 ± 0.29 | |
1 | 4.97 ± 1.84 | 1.92 ± 0.11 | 1.58 ± 0.54 | 1.08 ± 0.27 | 1.93 ± 0.01 | 2.06 ± 0.43 | ||
2 | 9.50 ± 1.02 | 3.93 ± 0.60 | 1.73 ± 0.67 | 1.23 ± 0.47 | 2.54 ± 0.19 | 2.95 ± 0.13 |