Table 1.
Sample | Length (cm) | Weight (g) | Hg | Cd | Pb | Zn | Cu | Ni | Cr |
---|---|---|---|---|---|---|---|---|---|
1 | 110 | 14 | 0.46 | 0.10 | 0.09 | 15.74 | 0.75 | 1.15 | 0.22 |
2 | 114 | 16 | 0.67 | 0.15 | 0.12 | 6.44 | 1.33 | 0.44 | 0.11 |
3 | 120 | 18 | 0.62 | 0.14 | 0.05 | 9.12 | 0.47 | 0.66 | 0.11 |
4 | 121 | 17 | 0.55 | 0.20 | 0.13 | 8.43 | 1.50 | 0.99 | 0.15 |
5 | 125 | 21 | 0.40 | 0.11 | 0.11 | 5.75 | 0.38 | 0.80 | 0.04 |
6 | 127 | 20 | 0.36 | 0.13 | 0.09 | 9.30 | 0.84 | 0.40 | 0.06 |
7 | 128 | 23 | 0.45 | 0.20 | 0.08 | 8.65 | 0.37 | 0.33 | 0.17 |
8 | 130 | 30 | 0.56 | 0.12 | 0.10 | 7.07 | 0.61 | 0.28 | 0.06 |
9 | 133 | 33 | 0.38 | 0.20 | 0.11 | 8.04 | 0.43 | 0.78 | 0.09 |
10 | 134 | 35 | 0.40 | 0.14 | 0.09 | 3.38 | 0.40 | 0.79 | 0.17 |
11 | 137 | 42 | 0.46 | 0.19 | 0.11 | 8.92 | 1.31 | 0.32 | 0.08 |
12 | 137 | 40 | 1.02 | 0.13 | 0.33 | 8.22 | 1.78 | 0.93 | 0.16 |
13 | 138 | 43 | 0.30 | 0.15 | 0.09 | 9.39 | 1.11 | 0.46 | 0.07 |
14 | 139 | 42 | 0.63 | 0.16 | 0.07 | 8.61 | 1.41 | 0.12 | 0.15 |
15 | 140 | 44 | 1.36 | 0.08 | 0.08 | 6.48 | 0.67 | 0.08 | 0.19 |
16 | 142 | 43 | 1.48 | 0.17 | 0.03 | 7.25 | 1.87 | 0.68 | 0.03 |
17 | 143 | 44 | 0.46 | 0.19 | 0.02 | 8.70 | 0.30 | 1.01 | 0.08 |
18 | 145 | 45 | 0.42 | 0.09 | 0.10 | 8.35 | 1.09 | 0.49 | 0.07 |
19 | 145 | 44 | 0.43 | 0.13 | 0.16 | 15.15 | 0.41 | 0.55 | 0.13 |
20 | 149 | 46 | 0.58 | 0.10 | 0.07 | 9.53 | 0.50 | 0.73 | 0.11 |
21 | 150 | 49 | 0.35 | 0.18 | 0.06 | 7.45 | 0.95 | 0.17 | 0.17 |
22 | 153 | 53 | 0.35 | 0.16 | 0.13 | 6.35 | 0.34 | 0.17 | 0.04 |
23 | 167 | 66 | 1.18 | 0.15 | 0.09 | 7.05 | 0.75 | 0.88 | 0.10 |
24 | 175 | 83 | 1.30 | 0.14 | 0.05 | 8.60 | 1.10 | 0.10 | 0.14 |
25 | 180 | 92 | 0.82 | 0.10 | 0.09 | 13.96 | 0.77 | 0.69 | 0.10 |
26 | 200 | 108 | 1.78 | 0.17 | 0.09 | 7.88 | 1.50 | 0.09 | 0.13 |
27 | 212 | 113 | 1.80 | 0.29 | 0.12 | 7.23 | 1.15 | 0.28 | 0.21 |
28 | 218 | 120 | 0.97 | 0.26 | 0.15 | 6.59 | 0.98 | 0.98 | 0.15 |
29 | 230 | 127 | 1.85 | 0.26 | 0.16 | 5.56 | 0.44 | 0.12 | 0.13 |
30 | 233 | 130 | 0.60 | 0.19 | 0.31 | 7.00 | 1.41 | 0.08 | 0.19 |
Range | 110–233 | 14–130 | 0.30–1.85 | 0.08–0.29 | 0.02–0.33 | 3.38–15.74 | 0.30–1.87 | 0.08–1.15 | 0.03–0.22 |
Mean ± St. Dev | 153 ± 34 | 53 ± 35 | 0.77 ± 0.48 | 0.16 ± 0.05 | 0.11 ± 0.07 | 8.34 ± 2.62 | 0.90 ± 0.46 | 0.52 ± 0.33 | 0.12 ± 0.05 |
Variance | - | - | 0.23 | 0.003 | 0.004 | 6.87 | 0.21 | 0.11 | 0.003 |
Permitted legal limits | - | - | 1.0 1 | 0.25 2 | 0.30 3 | 50.0 4 | 20.0 4 | 80.0 5 | 5.5 6 |