Word: effluent
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Dates: during 1980-1989
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Bacterial wastes, such as the effluent from the nation's estimated 16.6 million residential septic tanks and cesspools, can be filtered fairly simply out of drinking water. But chemical contaminants are another matter. Says EPA Administrator Douglas Costle: "We are not even sure if, not to mention how, chemical contaminants can be removed. It takes sophisticated testing just to determine if there are chemicals present...