环境工程学报2017,Vol.11Issue(6):3823-3831,9.DOI:10.12030/j.cjee.201603219
南方某典型矿冶污染场地健康风险评价及修复建议
Health risk assessment and remediation suggestion of a typical smelter contaminated site in Southern China
摘要
Abstract
Heavy metal contamination of soil is often encountered in the vicinity of mining areas.Arsenic,cadmium,and lead probably pose greater health risks than other heavy metals to people living nearby.Hazard identification,exposure assessment,toxicity assessment,and risk characterization are discussed in this paper for a lead and zinc smelter contamination site in the red soil area of southern China.Moreover,site cleanup goals and potential remedies are discussed.The results indicate that the soil at the site has been contaminated with a number of heavy metals,including lead,arsenic,cadmium,and zinc.These heavy metals are primarily present in the surface soil (0-0.6 m).Based on an industrial land use as the planned future land use,risk assessment was completed on these heavy metals,except lead,for each layer (0-0.3 m,0.3-0.6 m,and 0.6-1.0 m) and the levels of each heavy metal were calculated and compared.Unacceptable cancer risk (arsenic and cadmium)and noncancer risk both exist.Based on a comparison with risk control values and/or relevant national or international standards,the proposed cleanup goals for arsenic,cadmium,and lead were determined as 13.41,21.50,and 600 mg · kg-1,respectively.Furthermore,it is suggested that source control measures and other remedial action be implemented concurrently with construction of the industrial park,based on the distribution of existing contamination and associated health risks thereof.关键词
重金属/健康风险评价/致癌风险/修复Key words
heavy metals/health risk assessment/carcinogenic risk/remediation分类
资源环境引用本文复制引用
王璇,于宏旭,熊惠磊,马骏..南方某典型矿冶污染场地健康风险评价及修复建议[J].环境工程学报,2017,11(6):3823-3831,9.基金项目
国家环境保护公益性行业科研专项(201309004) (201309004)
国家高技术研究发展计划(863)项目(2012AA06A201) (863)