Mercury found in all fish caught in U.S.-tested streams
Sports fishermen take heed: A government test of fish pulled from nearly 300 streams in the USA found every one of them contaminated with some level of mercury. The U.S. Geological Survey's research marks its most comprehensive examination of mercury contamination in stream fish. The study found that 27% of the fish had mercury levels high enough to exceed what the Environmental Protection Agency considers safe for the average fish eater, those who eat fish twice a week.
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