Sample Location | Depths | Contamination factor | Degree of contamination | |||
As | Cd | Zn | Cd | |||
NFB | 0 - 20 | 0.46 | 7.84 | 0.32 | 9.70 | Moderate |
| 20 - 40 | 0.57 | 6.64 | 0.26 | 8.20 | Moderate |
| 40 - 80 | 0.25 | 2.50 | 0.17 | 3.49 | Low |
NSM | 0 - 20 | 0.24 | 5.14 | 0.17 | 6.36 | Low |
| 20 - 40 | 0.28 | 2.65 | 0.28 | 3.78 | Low |
| 40 - 80 | 0.16 | 1.36 | 0.16 | 1.97 | Low |
NPS | 0 - 20 | 0.18 | 1.12 | 0.13 | 1.93 | Low |
| 20 - 40 | 0.15 | 0.66 | 0.10 | 1.31 | Low |
| 40 - 80 | 0.04 | 0.16 | 0.05 | 0.48 | Low |
SFB | 0 - 20 | 0.13 | 2.10 | 0.16 | 2.81 | Low |
| 20 - 40 | 0.08 | 1.34 | 0.10 | 1.94 | Low |
| 40 - 80 | 0.03 | 0.65 | 0.06 | 0.87 | Low |