Word: selenium
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Dates: during 1970-1970
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...dealt that faith a shattering blow. In a survey of 969 of the country's 23,000 water-supply systems, HEW's Bureau of Water Hygiene found that some 900,000 persons in the tested areas were consuming water dangerously contaminated by such poisons as arsenic, lead, selenium and fecal bacteria. The water supply of another 2,000,000, though safe to drink, was held to be unacceptable in taste, odor or color. Since the bureau's survey sites were chosen as "reasonably representative," its report, projected to the entire population, could mean that millions of Americans...