This article presents an application of assessing human health risk in typical city of North China plain.Combined with water quality and multi-element analysis,Pb,Cd,Cr^6＋,Mn,NO3^-,F^-,and As in groundwater samples w...This article presents an application of assessing human health risk in typical city of North China plain.Combined with water quality and multi-element analysis,Pb,Cd,Cr^6＋,Mn,NO3^-,F^-,and As in groundwater samples were chosen to be used for human health risk assessment of drinking water pathway and dermal contact pathway,and results show a good effect.Results indicate that（1） poor water quality is caused by salinity and hardness overstandard;（2） in noncarcinogenic risk,samples that do not pose noncarcinogenic risk only account for 28.46%;in carcinogenic risk,samples that do not pose carcinogenic risk account for 73.08%;（3） the noncarcinogenic risk in the study area decreased in the following order：NO3^-〉Mn〉As〉F-〉Cr^6＋〉Cd〉Pb and the carcinogenic risk of the study area de-creased in the following order：As〉Cd=NO3^-=Mn=F-=Cr^6＋=Cd=Pb=0,because the slop factors were not available for the other pollutants,except for As;and（4） in terms of whole study area,the main contrib-ute order of drinking water pathway and dermal contact pathway in human body is drinking water pathway〉dermal contact pathway.展开更多
基金supported by the National Science and Technology Major Project(Nos.2009ZX05039-003, 2009ZX05039-004,and 2011ZX05060-005)the National Program on Key Basic Research Program(No.2010CB428801-1)the State-Owned Land Resources Investigation(No. 1212010430351)
文摘This article presents an application of assessing human health risk in typical city of North China plain.Combined with water quality and multi-element analysis,Pb,Cd,Cr^6＋,Mn,NO3^-,F^-,and As in groundwater samples were chosen to be used for human health risk assessment of drinking water pathway and dermal contact pathway,and results show a good effect.Results indicate that（1） poor water quality is caused by salinity and hardness overstandard;（2） in noncarcinogenic risk,samples that do not pose noncarcinogenic risk only account for 28.46%;in carcinogenic risk,samples that do not pose carcinogenic risk account for 73.08%;（3） the noncarcinogenic risk in the study area decreased in the following order：NO3^-〉Mn〉As〉F-〉Cr^6＋〉Cd〉Pb and the carcinogenic risk of the study area de-creased in the following order：As〉Cd=NO3^-=Mn=F-=Cr^6＋=Cd=Pb=0,because the slop factors were not available for the other pollutants,except for As;and（4） in terms of whole study area,the main contrib-ute order of drinking water pathway and dermal contact pathway in human body is drinking water pathway〉dermal contact pathway.
