FISH, WILDLIFE, AND ESTUARIES - ORGANOCHLORINE INSECTICIDE RESIDUES IN SOIL AND EARTHWORMS IN THE DELHI AREA, INDIA, AUGUST-OCTOBER, 1974
- 1 January 1981
- journal article
- research article
- Vol. 15 (2) , 80-85
Abstract
DDT residues in soil and earthworms from 50 sites in celhi were monitored. DDT was detected in all but 2 samples of soil and earthworms. Among DDT residues, p,p''-DDE was most common, found in 48 samples each of soil and earthworms; p,p''-DDT was detected in 43 soil samples and 46 earthworm samples. p,p''-TDE (tetrachlorodiphenylethane) and o,p''-DDT were also present in smaller concentrations in 29 and 15 soil samples and in 43 and 25 earthworm samples, respectively. Maximum total DDT concentration of 2.6 ppm was detected in the soil from Durga Nagar in the vicinity of a DDT factory. The highest concentration of 37.7 ppm total DDT in earthworms was also obtained from the same site. The maximum concentration factor found in the earthworms was 551. Total DDT concentration in the earthworms and soil showed significant correlation.This publication has 7 references indexed in Scilit:
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