Date | Sites and Concentration in μg/L | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E | F | G | Cdr | Bdr | Ar | Br | Dd | H | J | K | L | M | |
11/2/98 | nd | 0.24 | nd | nd | 0.19 | 0.44 | 0.16 | nd | ns | ns | ns | ns | ns |
18/2/98 | nd | 0.32 | nd | nd | 0.37 | 0.11 | nd | nd | ns | ns | ns | ns | ns |
25/2/98 | nd | 0.24 | nd | nd | 0.18 | (0.08) | nd | nd | ns | ns | ns | ns | ns |
4/3/98 | nd | 0.29 | nd | nd | 2.22 | 0.28 | 0.204 | nd | ns | ns | ns | ns | ns |
11/3/98 | nd | 0.16 | nd | (0.07) | 1.53 | 0.16 | nd | nd | ns | ns | ns | ns | ns |
18/3/98 | nd | 0.22 | nd | nd | 1.81 | 0.14 | nd | nd | ns | ns | ns | ns | ns |
25/3/98 | nd | 0.20 | nd | nd | 1.10 | (0.08) | nd | nd | ns | ns | ns | ns | ns |
22/4/98 | nd | 0.26 | nd | nd | 0.43 | nd | nd | nd | nd | ns | ns | ns | ns |
12/5/98 | nd | nd | nd | nd | (0.04) | nd | nd | nd | nd | ns | ns | ns | ns |
19/5/98 | nd | (0.06) | (0.03) | nd | 0.23 | 0.06 | ns | nd | nd | ns | ns | ns | ns |
12/8/98 | (0.03) | (0.04) | nd | nd | (0.03) | (0.02) | 0.20 | nd | nd | ns | ns | ns | ns |
23/9/98 | (0.03) | 1.56 | nd | ns | (0.01) | (0.02) | ns | 0.2 | nd | (0.03) | nd | nd | ns |
21/10/98 | nd | (0.04) | 0.264 | ns | nd | 0.19 | (0.09) | (0.05) | 0.23 | nd | nd | ns | ns |
12/11/98 | nd | nd | nd | ns | 0.13 | nd | nd | nd | nd | nd | ns | nd | ns |
18/11/98 | nd | nd | nd | ns | 0.58 | nd | (0.06) | 0.58 | nd | nd | 0.4 | nd | ns |
13/1/99 | nd | nd | nd | ns | ns | nd | nd | 0.25 | 0.89 | ns | ns | ns | ns |
24/2/99 | nd | 1.02 | 0.45 | ns | 1.84 | nd | 0.51 | 0.47 | nd | 0.15 | ns | 0.37 | ns |
17/3/99 | ns | 1.25 | 0.19 | ns | 3.86 | 1.02 | nd | 0.35 | nd | 0.62 | ns | ns | ns |
07/4/99 | ns | 0.54 | nd | ns | 0.79 | nd | nd | (0.09) | nd | nd | ns | ns | ns |
20/4/99 | 0.35 | 0.29 | (0.05) | ns | 1.48 | ns | 0.79 | (0.08) | nd | ns | ns | ns | ns |
26/4/99 | 0.47 | 0.27 | nd | ns | 0.59 | nd | ns | 0.2 | ns | ns | ns | ns | ns |
13/5/99 | (0.02) | (0.03) | ns | ns | (0.03) | nd | ns | nd | ns | 0.43 | ns | ns | nd |
Mean (SD) | 0.05 (0.13) | 0.32 (0.42) | 0.05 (0.12) | 0.006 (0.021) | 0.830 (0.988) | 0.124 (0.235) | 0.112 (0.214) | 0.103 (0.17) | 0.086 (0.250) | 0.154 (0.24) | 0.133 (0.23) | 0.0925 (0.185) | 0 (0) |
N | 20 | 22 | 21 | 11 | 21 | 21 | 18 | 22 | 13 | 8 | 3 | 4 | 1 |
% positive samples* | 25 | 82 | 24 | 9 | 95 | 57 | 39 | 41 | 15 | 50 | 33 | 25 | 0 |