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Data Series 309

Trace-Element Concentrations in Tissues of Aquatic Organisms from Rivers and Streams of the United States, 1992–1999

By Lawrence R. DeWeese, Verlin C. Stephens, Terry M. Short, and Neil M. Dubrovsky


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Abstract

The U.S. Geological Survey National Water-Quality Assessment Program collected tissue samples from a variety of aquatic organisms during 1992–1999 within 47 study units across the United States. These tissue samples were collected to determine the occurrence and distribution of 20 major and minor trace elements in aquatic organisms. This report presents the tissue trace-element concentration data, sample summaries, and concentration statistics for 1,457 tissue samples representing 76 species or groups of fish, aquatic invertebrates, and plants were collected at 824 sampling sites.



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