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Human and Ecological Risk Assessment: An International Journal Volume 17, 2011 - Issue 1: Developing Health-Based Pre-planning Clearance Goals for Airport Remediation Following a Chemical Terrorist Attack
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Risk Assessment Articles

Non-Carcinogenic Baseline Risk Assessment of Heavy Metals in the Taihu Lake Basin, China

Yuankun Wang State Key Laboratory of Pollution Control and Resource Reuse, Department of Hydrosciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing, P. R. China
,
Dong Sheng Hunan Water Resources and Hydropower Research Institute, Changsha, P. R. China; Bureau of Hydrology and Water Resources Monitoring, Taihu Basin Management Bureau, Wuxi, P. R. China
,
Dong Wang State Key Laboratory of Pollution Control and Resource Reuse, Department of Hydrosciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing, P. R. China
,
Xuchang Yang Bureau of Hydrology and Water Resources Monitoring, Taihu Basin Management Bureau, Wuxi, P. R. China
&
Jichun Wu State Key Laboratory of Pollution Control and Resource Reuse, Department of Hydrosciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing, P. R. China
Pages 212-218 | Received 21 Jun 2010, Published online: 13 Feb 2011
 
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ABSTRACT

The aim of this study was to investigate the contamination levels of heavy metals and to develop the baseline risk to health effects within the source areas of drinking water in Taihu Lake Basin (TLB), an area undergoing population and economic growth. Samples of water were collected from 12 representative drinking water supply areas of TLB, and were analyzed for seven heavy metals. The Hazard Indexes (HIs) for all oral exposure to the seven metals ranged from 0.03 to 0.08, which was less than the acceptable non-cancer human health hazard index of 1. As and Fe together contributed more than 98% of the overall HI, which suggests that future monitoring of water quality for these two metals should be considered.

ACKNOWLEDGMENTS

We profoundly acknowledge the valuable review comments and suggestions on the draft manuscript by Dr. Barry Johnson, HERA editor, and two anonymous reviewers. This project was supported by the National Natural Science Fund of China (41071018, 41030746, 40725010, 40730635), Water Resources Public-welfare Project (200701024), and the Skeleton Young Teachers Program and Excellent Disciplines Leaders in Midlife-Youth Program of Nanjing University.

Notes

*ND: Not-detected; NC: Not-computed; MLL: Meilianghu Lake, GL: Gonghu Lake, ETL: East Taihu Lake; SD: Standard Deviation.

*NC: Not-computed; MLL: Meilianghu Lake, GL: Gonghu Lake, ETL: East Taihu Lake.

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