Contamination Factor | ||||||
Locations | Depths | As | Cd | Zn | Cd | Degree of contamination |
NFB | 0 - 20 | 1.00 | 13.3 | 0.45 | 16.3 | Considerable |
20 - 40 | 0.80 | 11.3 | 0.39 | 13.6 | Moderate | |
40 - 80 | 0.35 | 4.26 | 0.31 | 5.60 | Low | |
NSM | 0 - 20 | 0.76 | 8.73 | 0.23 | 10.8 | Moderate |
20 - 40 | 0.34 | 3.94 | 0.18 | 5.18 | Low | |
40 - 80 | 0.17 | 1.79 | 0.11 | 2.43 | Low | |
NPS | 0 - 20 | 0.40 | 0.10 | 0.15 | 1.23 | Low |
20 - 40 | 0.30 | 0.96 | 0.12 | 1.89 | Low | |
40 - 80 | 0.14 | 0.66 | 0.08 | 1.07 | Low | |
SFB | 0 - 20 | 0.16 | 2.62 | 0.17 | 3.43 | Low |
20 - 40 | 0.11 | 2.07 | 0.10 | 2.58 | Low | |
40 - 80 | 0.10 | 1.21 | 0.06 | 1.53 | Low |