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The Persistence Of Pesticides In Impounded Waters, Robert A. Lauderdale
The Persistence Of Pesticides In Impounded Waters, Robert A. Lauderdale
KWRRI Research Reports
The purpose of this study was to investigate the persistance of the insecticides aldrin, dieldrin, chlordane, and DDT in water. A small drainage area was sprayed with these compounds, and the insecticides were collected in the runoff water from the area. Laboratory experiments were performed to determine the effectiveness of aeration, adsorption on silt, and adsorption on algae in removing the pesticides from water.
All of the pesticides were found in samples of water collected from the area for the full period of the tests. The amounts which were found in a small pond into which the surface water drained …