NDLI: Heavy metals contamination and health risk assessment of crops in the piedmont of Qinling Mountains

Content Provider	IEEE Xplore Digital Library
Author	Yaqiao Sun Lei Duan
Copyright Year	2010
Description	Author affiliation: Chang'an University, School of Environmental Science and Engineering, Xi'an, China (Yaqiao Sun; Lei Duan)
Abstract	Based on field work and experiments analysis, the pollution characteristics of heavy metals of crops in the piedmont of Qinling Mountains are studied. The paper assessed the harm of heavy metals (Pb, Cd, Cr) in crop seeds on public health using United States Environmental Protection Agency(USEPA) health risk assessment model. The results showed that (1)the corn and rice are contaminated by Pb, with the content of Pb in crop seeds exceeded the maximum levels of contaminants in foods; (2) the health risk of Cr and Cd in corn to the individual person per year caused 91.6% and 8.34% chemical carcinogens, and the health risk of Cr and Cd in rice to the individual person per year caused 77.2% and 22.8% chemical carcinogens. The health risk of personal annual risk in rice were significantly 5.44 times higher than the maximum allowance levels recommended by the International Commission on Radiological $Protection(ICRP)(5×10^{−5}a^{−1}).$ The health risk of personal annual risk in corn and rice is mostly root in the chemical carcinogens heavy metals.
Starting Page	4259
Ending Page	4261
File Size	261556
Page Count	3
File Format	PDF
ISBN	9781424477371
e-ISBN	9781424477395
DOI	10.1109/MACE.2010.5536232
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Educational programs Crops The pollution characteristic Risk analysis The piedmont of Qinling Mountains Contamination Chemicals The health risk assessment Chromium Soil Water pollution Risk management Protection
Content Type	Text
Resource Type	Article

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