Table 4 Mean trace metal concentration of surface water samples along the Jimi River and its tributaries
Code | Cd (mg/L) | Fe (mg/L) | Ni (mg/L) | Zn (mg/L) | Pb (mg/L) | CN− (mg/L) | As (mg/L) |
|---|---|---|---|---|---|---|---|
AK | 0.02 ± 0.01 | 6.095 ± 0.069 | 0.045 ± 0.005 | 0.365 ± 0.15 | b/d | 36.58 ± 3.97 | b/d |
AM | 0.01 ± 0.01 | 24.23 ± 1.53 | 0.055 ± 0.095 | 0.34 ± 0.12 | b/d | 46.71 ± 2.65 | b/d |
JMC | 0.03 ± 0.01 | 5.94 ± 0.06 | 0.01 ± 0.00 | 0.46 ± 0.01 | b/d | 11.46 ± 2.02 | b/d |
KAAC | 0.01 ± 0.00 | 131.06 ± 7.04 | 0.35 ± 0.04 | 0.88 ± 0.01 | 0.29 ± 0.1 | b/d | b/d |
KKT | b/d | 6.19 ± 0.72 | 0.1 ± 0.00 | 0.52 ± 0.01 | b/d | 17.63 ± 3.02 | b/d |
OK | 0.01 ± 0.00 | 10.92 ± 4.36 | 0.025 ± 0.015 | 0.45 ± 0.015 | b/d | 43.18 ± 0.88 | b/d |
PPS | b/d | 4.78 ± 0.04 | 8.18 ± 0.01 | 0.43 ± 0.01 | b/d | 33.49 ± 4.02 | 0.34 ± 0.00 |
WA | 0.01 ± 0.00 | 12.13 ± 2.02 | 0.03 ± 0.01 | 0.44 ± 0.01 | b/d | 53.76 ± 8.03 | 0.07 ± 0.00 |
WHO | 0.005 | 0.3 | 0.02 | 5.0 | 0.01 | 0.07 | 0.01 |