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Editor’s Note

Editor's Note Christopher JSchmitt 0 0 US Geological Survey, Columbia Environmental Research Center , 4200 New Haven Road, Columbia, MO 65203 , USA Vol.:(011233456789) - Heavy metal

Mercury trends in fish from rivers and lakes in the United States, 1969–2005

A national dataset on concentrations of mercury in fish, compiled mainly from state and federal monitoring programs, was used to evaluate trends in mercury (Hg) in fish from US rivers and lakes. Trends were analyzed on data aggregated by site and by state, using samples of the same fish species and tissue type, and using fish of similar lengths. Site-based trends were evaluated...