An assessment of heavy metal contamination in vegetables grown in wastewater-irrigated areas of Titagarh, West Bengal, India

被引：146
|
作者：
Gupta, N. [1 ]
Khan, D. K. [1 ]
Santra, S. C. [1 ]
机构：
[1] Univ Kalyani, Dept Environm Sci, Kalyani 741235, W Bengal, India
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2008年 / 80卷 / 02期
关键词：
wastewater; irrigation; heavy metal; contamination;
D O I：
10.1007/s00128-007-9327-z
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effects of municipal wastewater irrigation on the accumulation of heavy metals (Pb, Zn, Cd, Cr, Cu and Ni) in soil and vegetables were investigated by monitoring wastewater-irrigated agricultural field of Titagarh, 24-Parganas (North), West Bengal, India. The mean concentrations of Pb, Ni, Cu in the irrigation water and the mean Cd content in soil were much above the recommended level. The concentrations of Pb, Zn, Cd, Cr and Ni in all the examined vegetables were beyond the safe limits. The study reveals that heavy metal-contaminated vegetables grown in wastewater-irrigated areas may pose public health hazards.
引用
收藏
页码：115 / 118
页数：4
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