|
Site
|
Total concentration (μg L−1)
|
|---|
|
Cd
|
Co
|
Cr
|
Cu
|
Ni
|
Pb
|
Zn
|
|---|
|
Sora Amba
|
0.43(0.05)
|
3.68(0.72)
|
17.7(2.27)
|
6.83(1.08)
|
11.5(2.08)
|
5.33(0.96)
|
40.9(6.35)
|
|
Lekunda
|
0.80(0.07)
|
14.6(1.55)
|
29.3(3.41)
|
38.6(3.62)
|
16.2(2.25)
|
21.8(2.28)
|
58.5(5.09)
|
|
Peacock-Urael
|
0.37(0.06)
|
7.28(0.92)
|
8.53(1.08)
|
30.7(3.42)
|
24.4(2.56)
|
6.82(0.58)
|
49.7(4.79)
|
|
Peacock-Bole
|
0.17(0.05)
|
5.48(0.94)
|
3.09(0.51)
|
8.04(1.31)
|
5.97(0.86)
|
13.8(3.06)
|
54.0(5.78)
|
|
Kera
|
2.82(0.62)
|
16.3(2.37)
|
44.2(6.38)
|
71.5(6.73)
|
29.6(3.55)
|
47.7(4.98)
|
88.4(12.9)
|
|
Mekanissa
|
0.81(0.05)
|
8.73(1.35)
|
19.8(2.75)
|
27.7(3.39)
|
53.9(5.50)
|
9.48(1.93)
|
112(16.4)
|
|
Lafto
|
1.48(0.26)
|
21.6(3.64)
|
14.2(1.15)
|
78.3(8.32)
|
36.5(3.68)
|
36.9(2.75)
|
56.9(5.12)
|
|
Hana-Mariam
|
1.05(0.25)
|
23.7(3.00)
|
35.1(4.92)
|
17.7(2.73)
|
9.48(1.90)
|
19.4(2.02)
|
69.6(2.45)
|
|
Akaki08
|
0.57(0.04)
|
3.38(0.64)
|
24.4(3.09)
|
49.2(6.22)
|
16.2(2.67)
|
18.6(2.32)
|
62.8(6.13)
|
|
Akaki
|
0.33(0.04)
|
5.57(0.47)
|
14.8(2.69)
|
36.1(4.10)
|
8.44(1.76)
|
16.8(2.00)
|
44.8(4.03)
|
|
RML (μg L−1)
|
10
|
50
|
100
|
200
|
200
|
5000
|
2000
|
- Figures in parentheses represent standard deviation
-
RML Recommended Maximum Limit for irrigation water by FAO (Ayers and Westcot 1985)
