Table 2 Mean concentrations and standard deviations of trace metals in LAR sediment

S1

82.24 ± 0.013

2.19 ± 0.014

4.160 ± 0.0001

37.44 ± 0.012

S2

150 ± 0.001

30.72 ± 0.001

4.12 ± 0.001

41.48 ± 0.008

S3

167.2 ± 0.001

440.80 ± 0.003

3.04 ± 0.001

30.92 ± 0.018

S4

159.6 ± 0.001

56.6 ± 0.001

2.92 ± 0.001

596.4 ± 0.066

S5

170.49 ± 0.003

52.17 ± 0.002

2.09 ± 0.001

61.15 ± 0.041

S6

92.84 ± 0.024

48.84 ± 0.009

2.60 ± 0.001

372.4 ± 0.011

S7

78.96 ± 0.021

36.6 ± 0.008

2.44 ± 0.001

31.12 ± 0.014

S8

228 ± 0.001

174.8 ± 0.0001

4.04 ± 0.001

46.28 ± 0.009

S9

235.2 ± 0.001

5.92 ± 0.004

3.0 ± 0.001

43.32 ± 0.011

S10

118.64 ± 0.009

246.4 ± 0.001

2.96 ± 0.001

36.24 ± 0.011

Min

78.96

2.19

2.09

30.92

Max

235.2

440.8

4.16

596.4

Range

78.96–235.2

2.19–440.8

2.09–4.16

30.92–596.40

Overall Mean

148.28

109.51

3.14

129.68

USEPA SQGs^a

 Non -polluted

 < 90

 < 25

–

 < 40

 Moderately polluted

90–200

25–50

–

40–60

 Heavily polluted

 > 200

 > 50

 > 6

 > 60

World river sediment average value^b

303

126

1.4

230.75