关键词: 电子垃圾拆解区, 土壤, 重金属污染, 单项污染指数, 综合污染指数

Abstract: An assessment was carried on the heavy metal concentrations in the farmland soil around e-waste disassembling areas, and the different evaluation methods and standards were employed to evaluate the soil quality. The results showed that Cd and Cu were the main pollutants in the farmland soil by the assessment of single factor pollution indexes based on the level of National Standard (GB15612-1995). Comprehensive pollution index indicated that over 50% of the soil was above the level of moderate pollution, while about 20% soils were heavily polluted. However, based on the level natural background, the soil was mainly polluted by Cd and Pb by the assessment of single factor pollution indexes. Comprehensive pollution index indicated that over 80% of the soils were above the level of moderate pollution, and about 40% soils were heavily polluted.

Key words: e-waste disassembling areas, soil, heavy metal pollution, single pollution index, comprehensive pollution index