Elements | Cr ± SD (ppm) | Cd ± SD (ppm) | Pb ± SD (ppm) |
Sites |
|
|
|
A | 12.26 ± 0.52 range (10.35 - 13.35) | 6.17 ± 1.0 range (3.48 - 8.00) | 0.74 ± 0.08 range (0.59 - 1.18) |
B | 18.62 ± 0.9 range (15.8 - 21.3) | 4.28 ± 0.71 range (3.39 - 5.3) | 0.4 ± 0.06 range (0.35 - 0.47) |
C | 6.13 ± 0.6 range (5.2 - 7.45) | 5.45 ± 0.6 range (3.39 - 7.13) | 0.36 ± 0.08 range (0.29 - 0.41) |
D | 7.27 ± 0.9 range (5.85 - 9.3) | 4.49 ± 0.48 range (2.6 - 6.00) | 0.84 ± 0.08 range (0.65 - 0.89) |
E | 10.5 ± 0.8 range (9.3 - 11.65) | 5.03 ± 0.38 range (2.78 - 6.9) | 0.52 ± 0.08 range (0.47 - 0.59) |