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ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

Health Risk Assessment and Spatial Distribution Characteristic on Heavy Metals Pollution of Haihe River Basin

Tao Yang* and Jingling Liu
State Key Joint Laboratory of Water Environmental Simulation and Pollution Control & School of Environment, Beijing Normal University, 100875, Beijing, China
Corresponding Author : Tao Yang
State Key Joint Laboratory of Water Environmental
Simulation and Pollution Control & School of Environment
Beijing Normal University, 100875
Beijing, China
E-mail: [email protected]
Received October 20, 2011; Accepted August 01, 2012; Published August 05, 2012
Citation: Yang T, Liu J (2012) Health Risk Assessment and Spatial Distribution Characteristic on Heavy Metals Pollution of Haihe River Basin. J Environ Anal Toxicol 2:152. doi: 10.4172/2161-0525.1000152
Copyright: © 2012 Yang T, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The concentrations of carcinogenic risk substances of cadmium (Cd), chromium (Cr), arsenic (As) as well as noncarcinogenic risk substances of lead (Pb), mercury (Hg), Copper (Cu), zinc (Zn), ammonia (NH3-N) and nitrate (NO3--N) were determined in water samples in the Haihe River Basin. Furthermore, human health risk by water consumption were also assessed, it was obviously distributed with regional characteristics. For carcinogenic risk, there was Cd that were all under the 5.0×10-5•a-1 in the whole basin, therefore, Cd was not a carcinogenic risk source of Haihe River Basin, in addition to this, the carcinogenic risk of Cr6+ were larger than 5.0×10-5•a-1 in six sites, especially the carcinogenic
risk of Cr6+ was almost 20 times larger than 5.0×10-5•a-1 in the Aixinzhuang village of Xingtai City of Hebei Province, the concentration of Cr6+ of Yongdinghe River system and estuary of Haihe river were all considerable higher than the acceptable level of 5.0×10-5•a-1 in the whole river basin, besides that, the spatial distribution characteristics of As was similar with that of Cr6+ in the Haihe River Basin, Furthermore, for the non-carcinogenic risk, the risk of non-carcinogenic risk of Pb, Hg, Cu, Zn, NH3-N and NO3--N are all less than 5.0×10-5•a-1, therefore, the potential human heath impact of
water consumption were Cr6+ and Cd, the pollution level need to be controlled in the future.

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