International Journal of Analytical Chemistry / 2015 / Article / Tab 7

Research Article

Risk Assessment and Prediction of Heavy Metal Pollution in Groundwater and River Sediment: A Case Study of a Typical Agricultural Irrigation Area in Northeast China

Table 7

Assessment of heavy metal potential ecological risks in sediment.

NumberThickness (cm)RI
CrAsCdPb

N10-10–261.181.502.201.786.67
N10-226–401.562.347.102.1813.19
N11-10–252.854.7715.255.3528.23
N11-225–452.463.7012.114.2622.54
N11-345–501.512.617.083.0614.27
N12-10–503.683.1418.5911.1436.55
N12-2Surface layer2.203.589.583.6919.05
N13-1-10–52.253.2910.714.7821.02
N13-1-25–300.550.981.411.594.53
N13-2-10–151.722.8311.723.1319.40
N13-2-215–402.785.0710.964.3223.14
N13-2-340–642.784.0817.554.3528.75
N14-10–231.773.3511.992.7919.90
N14-223–301.934.0910.783.4220.22
N14-330–402.645.5716.705.8130.72
N14-440–501.002.306.792.1012.19
N16-10–261.512.438.122.8514.92
N16-226–501.462.615.312.9912.36
N170–321.451.253.342.158.19
N180–282.842.5710.556.4722.43
N19-10–52.201.8617.092.7723.93
N19-25–253.544.3616.858.7833.53
N20-10–292.912.6020.026.0431.57
N21-10–52.432.9411.948.3625.67
N21-25–264.958.5638.5120.3772.39
N24-1Surface layer0.891.544.052.248.72
S14-1Surface layer1.853.139.163.4917.63
S16-1Surface layer0.430.781.631.354.19
S19-10–442.157.7411.515.0826.49
S19-20–442.098.1412.623.9826.84
S20-10–133.764.6422.9710.2041.57
S20-213–221.842.806.253.7514.65

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