Variable

ST 1

ST 2

ST 3

Overall Mean

Range

Zn (ppm)

9.29 ± 2.97^a

8.92 ± 2.10^b

5.51 ± 0.69^c

7.90 ± 2.59

5.51 - 9.29

Cr (ppm)

1.77 ± 0.22^a

2.64 ± 1.15^b

1.40 ± 0.27^c

1.94 ± 0.81

1.40 - 2.61

Pb (ppm)

2.62 ± 0.29^a

2.59 ± 0.36^a

1.48 ± 0.09^a

2.23 ± 0.61

1.48 - 2.62

Fe (ppm)

91.99 ± 3.91^a

90.85 ± 3.01^b

79.44 ± 2.02^c

87.43 ± 6.57

79.44 - 91.99