Abstract

Chlorinated hydrocarbon residues and polychlorinated biphenyls are widespread in the environment. A large number of reports in the literature describe the presence of these compounds in earth's water resources, viz, rivers, lakes and oceans. Comparatively, less attention has been paid to study the residue level in ground water. Ground water is the only source of drinking water for the majority of the people living in the rural areas. Generally, people in the rural areas obtain drinking water from private supplies. The supplies are mainly wells, and the depth of such wells varies from as low as ten feet to well over a hundred feet. The purpose of this study is (i) to obtain information concerning the residue levels in these waters, (ii) to find out if the residue levels exceeded the Federal limits recommended for pesticides in drinking water (ROBECK, 1972), and (iii) whether the local use of pesticides has caused any significant rise of the level in the ground water of the rural and agricultural areas.

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