Dry aerial fallout of organochlorine insecticide residues in Delhi, India |
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| Authors: | Kaushik C P Agarwal H C Pillai M K |
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| Institution: | Department of Biosciences, M.D. University, Rohtak-124 001, India. |
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| Abstract: | Monitoring of airborne dust in Delhi during May to July 1985 revealed residues of DDT varying from 1.3 to 7.14 ng mg(-1) (4.06-22.31 ng m(-2) day(-1)) with an average of 3.32 ng mg(-1) (10.38 ng m(-2) day(-1)), and HCH which ranged from 0.46 to 2.35 ng mg(-1) (1.44-7.34 ng m(-2) day(-1)) with a mean of 1.16 ng mg(-1) (3.63 ng m(-2) day(-1)). The concentration of total DDT was almost 3 times greater than that of HCH. |
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