山东省安丘地区农业土壤重金属元素地球化学特征及环境评价

赵秀芳, 张永帅, 冯爱平, 王艺璇, 夏立献, 王宏雷, 杜伟

Geochemical characteristics and environmental assessment of heavy metal elements in agricultural soil of Anqiu area, Shandong Province

ZHAO Xiu-Fang, ZHANG Yong-Shuai, FENG Ai-Ping, WANG Yi-Xuan, XIA Li-Xian, WANG Hong-Lei, DU Wei

表1 农用地土壤污染风险筛选值

Table 1 Risk screening values for soil contamination of agricultural land

污染 项目 风险筛选值/10-6 pH≤5.5 5.5<pH≤6.5 6.5<pH≤7.5 pH>7.5 镉 0.3 0.3 0.3 0.6 汞 1.3 1.8 2.4 3.4 砷 40 40 30 25 铅 70 90 120 170 铬 150 150 200 250 铜 50 50 100 100 镍 60 70 100 190 锌 200 200 250 300