山东省某典型工业城镇土壤重金属污染特征及风险评估

曾蛟, 孔令号, 刘淑亮, 褚宏宪, 赵正鹏, 杨开丽, 郭旭军, 陈亮

Contamination characteristics and risk assessment of soil heavy metals in a typical industrial town in Shandong Province, China

ZENG Jiao, KONG Ling-Hao, LIU Shu-Liang, CHU Hong-Xian, ZHAO Zheng-Peng, YANG Kai-Li, GUO Xu-Jun, CHEN Liang

表10 单项重金属元素潜在生态风险程度评价

Table 10 Assessment of potential ecological risk of single heavy metal element

元素 ${E}_{r}^{i}$指数范围 均 值 不同污染指数分级样点占比/% 轻微 危害 中等 危害 强危害 很强 危害 极强 危害 Hg 5.8~303.5 60.2 26.1 55.5 16.6 1.8 0 Cu 0.5~101.7 4.3 99.4 0.4 0.2 0 0 Ni 1.0~42.3 4.3 99.8 0.2 0 0 0 Zn 0.2~18.2 0.9 100.0 0 0 0 0 As 2.2~64.8 11.8 99.6 0.4 0 0 0 Cr 0.6~16.6 1.8 100.0 0 0 0 0 Cd 7.3~1790.1 40.2 81.6 14.8 2.4 0.6 0.6 Pb 2.4~63.8 5.5 99.8 0.2 0 0 0