International Journal of Analytical Chemistry / 2015 / Article / Tab 2

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 2

Distribution area of As at different concentration ranges in different years.

Time (year)Distribution area (km2)
> 1.0 μg/L > 1.5 μg/L > 2.25 μg/L > 3.5 μg/L > 4.25 μg/L

0286.2838.9123.412.281.02
1229.1541.1224.432.471.00
2210.3442.0425.462.660.96
3187.4942.2726.296.100.95
5177.7942.4626.5210.440.74
10119.3036.1324.2313.602.28

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