Abstract
Rain water samples were regularly collected from three sites, namely, Netaji Nagar, Moti Nagar and Town Hall within the Delhi city area from July, 1980 to June, 1982. The pesticide residues were adsorbed on polyurethane foam coated with 0.5 % DC-200 and subsequently extracted and analyzed for DDT, HCH and their metabolites/isomers. The concentration of total DDT ranged from 0.22 to 108 μg L−1 with a mean value of 12.5 μg L−1. The samples of rain water contained varying levels of 4,4-DDT, 2,4-DDT, 4,4-DDE, and 4,4-DDD. The 4,4-DDT, 4,4-DDE and 2,4-DDT were the main components of total DDT. The range of HCH residues in rain water was from 0.08 to 43 μg L−1 with a mean of 5.3 μg L−1. The residues of HCH consisted mainly of α- and γ-isomers with traces of β and δ-isomers. The α- and γ-isomers accounted for 76 and 24% of total HCH, respectively. The concentrations of DDT and HCH in rain water were generally less than 10 μg L−1 and exceeded 10 in only 4 and 3 cases, respectively. The residues of these insecticides were generally higher during October to December. Residues of DDT were higher at Moti Nagar which is near a DDT factory. Residues of HCH were maximum at Town Hall, a commercial area of the city.
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Agarwal, H. C., Pillai, M. K. K., Yadav, D. V., Menon, K. B., and Gupta, R. K.: 1976, Bull. Wld. Hlth. Org. 54, 349.
Agarwal, H. C., Mittal, P. K., Menon, K. B., and Pillai, M. K. K.: 1986, Water, Air, and Soil Pollut. 28, 89.
Baldwin, M. K., Bennett, D., and Beynon, K. I.: 1977, Pestic. Sci. 8, 431.
Eisenreich, S. J., Looney, B. B., and Thomton, J. D.: 1981, Environ. Sci. Technol. 15, 30.
Holden, A. V. and Marsden, K. J.: 1969, J. Chromatog. 4, 481.
Kaushik, C. P., Pillai, M. K. K., Raman, A., and Agarwal, H. C.: 1987, Water, Air, and Soil Pollut. 32, 63.
Lahman, E. and Merzel, F.: 1975, Berlin-Dahlem 46, 93.
Mashiro, O. and Takahisa, H.: 1975, Environ. Pollut. 9, 283.
Moilanen, K. W. and Crosby, D. G.: 1973, Vapour-Phase Photolysis of p,p′-DDT presented at the 165th Natl. Meet., Am. Chem. Sci. Dallas, Texas, April, 1973.
Orgill, M. M., Sehmel, G. A., and Petersen, M. R.: 1976, Atmos. Environ. 10, 827.
Peakall, D. B.: 1976, Atmos. Environ. 10, 899.
Pesticide Information: 1984, 10, 34, July–Sept.
Tarrant, K. R. and Tatton, J. O'G.: 1968, Nature 219, 725.
Wells, D. E. and Johnstone, S. J.: 1978, Water, Air, and Soil Pollut. 9, 271.
Wheatley, G. A. and Hardman, J. A.: 1965, Nature 207, 486.
Woodrow, J. E., Crosby, D. G., and Seiber, J. N.: 1983, Residue Rev. 85, 111.
Yadav, D. V., Mittal, P. K., Agarwal, H. C., and Pillai, M. K. K.: 1981, Pestic. Monit. J. 15, 80.
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Agarwal, H.C., Kaushik, C.P. & Pillai, M.K.K. Organochlorine insecticide residues in the rain water in Delhi, India. Water Air Soil Pollut 32, 293–302 (1987). https://doi.org/10.1007/BF00225115
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DOI: https://doi.org/10.1007/BF00225115