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Open-File Report 2012–1124

Prepared in cooperation with the Minnesota Pollution Control Agency

Endocrine Disrupting Chemicals in Minnesota Lakes—Water-Quality and Hydrological Data from 2008 and 2010

By Larry B. Barber, Jeffrey H. Writer, Steffanie H. Keefe, Greg K. Brown, Mark L. Ferrey, Nathan D. Jahns, Richard L. Kiesling, James R. Lundy, Beth H. Poganski, Donald O. Rosenberry, Howard E. Taylor, Olivia P. Woodruff, and Heiko L. Schoenfuss

Thumbnail of and link to report PDF (4.06 MB)Abstract

Understanding the sources, fate, and effects of endocrine disrupting chemicals in aquatic ecosystems is important for water-resource management. This study was conducted during 2008 and 2010 to establish a framework for assessing endocrine disrupting chemicals, and involved a statewide survey of their occurrence in 14 Minnesota lakes and a targeted study of different microhabitats on a single lake. The lakes ranged in size from about 0.1 to 100 square kilometers, varied in trophic status from oligotrophic to eutrophic, and spanned a range of land-uses from wetlands and forest to agricultural and urban use. Water and sediment samples were collected from the near-shore littoral environment and analyzed for endocrine disrupting chemicals, including trace elements, acidic organic compounds, neutral organic compounds, and steroidal hormones. In addition, polar organic compound integrative samplers were deployed for 21 days and analyzed for the same organic compounds. One lake was selected for a detailed microhabitat study of multiple near-shore environments. This report compiles the results from the field measurements and laboratory chemical analysis of water, sediment, and polar organic compound integrative sampler samples collected during 2008 and 2010. Most of the organic compounds measured were not detected in any of the water samples, although a few compounds were detected in several of the lakes.

First posted June 22, 2012

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Suggested citation:

Barber, L.B., Writer, J.H., Keefe, S.H., Brown, G.K., Ferrey, M.L., Jahns, N.D., Kiesling, R.L., Lundy, J.R., Poganski, B.H., Rosenberry, D.O., Taylor, H.E., Woodruff, O.P., and Schoenfuss, H. L., 2012, Endocrine disrupting chemicals in Minnesota lakes—Water-quality and hydrological data from 2008 and 2010: U.S. Geological Survey Open-File Report 2012–1124, 53 p.



Contents

Abbreviations

Units

Abstract

Introduction

Purpose and Scope

Methods

Water-quality and Hydrological Data

Conclusions

Acknowledgments

References Cited


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