福建省表层土壤环境质量地球化学评价及空间分布特征

王文俊

Geochemical assessment and spatial distribution characteristics of the environmental quality of topsoils in Fujian Province

WANG Wen-Jun

表4 农用地土壤污染风险管制值

Table 4 Risk intervention values for soil contamination of agricultural land 10-6

环境指标 风险管制值 pH≤5.5 pH>5.5~6.5 pH>6.5~7.5 pH>7.5 镉 1.5 2.0 3.0 4.0 汞 2.0 2.5 4.0 6.0 砷 200 150 120 100 铅 400 500 700 1000 铬 800 850 1000 1300