Mercury-tainted fish found widely in U.S. streams
Wed Aug 19, 2009 8:11pm EDT
By Steve Gorman
LOS ANGELES (Reuters) - Scientists have detected mercury contamination in every one of hundreds of fish sampled from 291 freshwater streams, according to a U.S. government study released on Wednesday.
More than a quarter of those fish contained concentrations of mercury exceeding levels set by the Environmental Protection Agency for the protection of people who eat average amounts of fish, the U.S. Geological Survey report said.
More than two-thirds exceeded the EPA-set level of concern for fish-eating mammals.
"This study shows just how widespread mercury pollution has become in our air, watersheds, and many of our fish in freshwater streams," Interior Secretary Ken Salazar said in a statement. The USGS is part of the Interior Department.
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