International Journal of Analytical Chemistry / 2015 / Article / Tab 4

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 4

Contents of heavy metals in sediment of Hun River (ppm).

NumberThickness (cm)Cr(VI)AsCdPb

N10-10–26
N10-226–40
N11-10–25
N11-225–45
N11-345–50
N12-10–50
N13-1-10–5
N13-1-25–30
N13-2-10–15
N13-2-215–40
N13-2-340–64
N14-10–23
N14-223–30
N14-330–40
N14-440–50
N16-10–26
N16-226–50
N170–32
N180–28
N19-10–5
N19-25–25
N20-10–29
N21-10–5
N21-25–26
N24-1Surface layer
S14-1Surface layer
S16-1Surface layer
S19-10–44
S19-20–44
S20-10–13
S20-213–22

Background value60150.535

Note: the data are the mean ± standard deviation.

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