GROUND-WATER CONTAMINATION BY ORGANOCHLORINE INSECTICIDE RESIDUES IN A RURAL AREA IN THE INDO-GANGETIC PLAIN

被引:20
作者
MOHAPATRA, SP
KUMAR, M
GAJBHIYE, VT
AGNIHOTRI, NP
机构
[1] Division of Agricultural Chemicals, Indian Agricultural Research Institute, New Delhi
关键词
D O I
10.1007/BF00633712
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Residues of several organochlorine insecticides were monitored in the ground water from a rural area near Farrukhabad in the vicinity of the Ganga River in northern India for one year (1991-1992). Almost all the samples were found to be contaminated with residues of Hexachlorocyclohexane (HCH) and Dichloro-diphenyl-trichloroethane (DDT). Residues of Aldrin, endosulfan and heptachlor were also detected in a large number of samples. The concentrations of aldrin residues greatly exceeded the WHO guideline value for drinking water, concentrations of heptachlor and DDT residues also occasionally exceeded the specified limits. Migration of pollutants through ground water recharge with polluted Ganga River water and monsoon rains carrying undegraded residues downwards from the soil surface are throught to be important sources of insecticide contamination of ground water in the region.
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页码:155 / 164
页数:10
相关论文
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