污染场地健康风险评价的实例研究_谌宏伟

第13卷第1期2006年1月地学前缘(中国地质大学(北京);北京大学)EarthScienceFrontiers(ChinaUniversityofGeosciences,Beijing;PekingUniversity)Vol.13No.1Jan.2006收稿日期:20051104;修回日期:20051124基金项目:国家自然科学基金资助项目(40372109);中国地质调查局苏锡常地区浅层地下水有机污染调查项目(200310400046)作者简介:谌宏伟(1969—),男,博士研究生,环境工程专业,主要研究方向为地下水污染防治与环境风险评价。E-mail:chw1208_003@163.com污染场地健康风险评价的实例研究谌宏伟,陈鸿汉,刘菲,何江涛,沈照理,孙静中国地质大学(北京)水资源与环境工程北京市重点实验室,北京100083CHENHong-wei,CHENHong-han,LIUFei,HEJiang-tao,SHENZhao-li,SUNJingBeijingKeyLaboratoryofWaterResourcesandEnvironmentEngineering,ChinaUniversityofGeosciences,Beijing100083,ChinaCHENHong-wei,CHENHong-han,LIUFei,etal.Health-basedriskassessmentofcontaminatedsites:Acasestudy.EarthSci-enceFrontiers,2006,13(1):230-235Abstract:onthebasisofthemethodsofhealth-basedriskassessmentofcontaminatedsitesandtheinvestiga-tionoforganicpollutionintheAfactoryinChangzhou,EastChina,weassesstheintegratedhumanhealthriskofsoil,airandgroundwatercontamination.Itisconcludedthatthepollutantsarefourmonocyclicaromatichy-drocarbons,whichmaybringpathologicalchangesinliverandkidney,degeneratethenasalepitheliumandim-pairthemotorialcoordinationcapacity.Therearethreeexposurepathwaysforworkersinsidethefactoryandtheresidentslivingdowngradientofthefactory.Thisassessmentindicatesthatworkersinsidethefactory,whosimultaneouslycontactthecontaminatedsoilandbreathepollutedair,wouldsuffernon-carcinogenicim-pactswithtotalmulti-pathwaysnon-carcinogenichazardindexfortoluene,ethylbenzene,m,p-xyleneandcumenebeing2.82×10-2,4.94×10-2,1.21×10-7and1.05×10-7respectively,thetotaltwopathwaymulti-substancehazardindexbeing4.26×10-5and7.76×10-2respectively,andthetotalexposurehazardin-dexbeing7.76×10-2.Residentslivingdowngradientofthefactory,whodrinkcontaminatedgroundwater,wouldsuffernon-carcinogenicimpactswithtotalmulti-substancehazardindexbeing1.55×10-5.Thehazardindicesallarelessthanunityandthenon-carcinogenichealthriskofthisfactoryisnegligible.Keywords:health-basedriskassessmentofcontaminatedsites;exposurepathway;non-carcinogenichazardin-dex;ChangzhouCity摘要:以常州市A厂