International Journal of Analytical Chemistry / 2015 / Article / Tab 6 / 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 6 Heavy metal pollution levels.
Number Pollution level Comparison Cr As Cd Pb N11-1 Polluted — — Polluted Cr N11-2 Polluted — — — N12-1 Polluted — — Polluted Cr N13-1-1 Polluted — — Polluted N13-2-2 Polluted — — — N13-2-3 Polluted — — — N18 Polluted — — Polluted Cr N19-1 Polluted — — — N19-2 Polluted — — Polluted Cr N20-1 Polluted — — Polluted Cr N21-1 Polluted — — Polluted Cr N21-2 Polluted — Polluted Polluted Pb S19-1 Polluted — — Polluted Cr S19-2 Polluted — — — S20-1 Polluted — — Polluted Pb
