Reconnaissance Data for Glyphosate, Other Selected Herbicides, Their Degradation Products, and Antibiotics in 51 Streams in Nine Midwestern States, 2002
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science for a changing world Prepared as part of the U.S. GEOLOGICAL SURVEY TOXIC SUBSTANCES HYDROLOGY PROGRAM Reconnaissance Data for Glyphosate, Other Selected Herbicides, Their Degradation Products, and Antibiotics in 51 Streams in Nine Midwestern States, 2002 Open-File Report 03-217 ) MINNESOTA \ r- WISCONSIN. V «V \\%- o/'s*-' \_\ \ \.\sV ^ IUVV3 34\10 ,..^T 7 ^V. V:f U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior U.S. Geological Survey Reconnaissance Data for Glyphosate, Other Selected Herbicides, Their Degradation Products, and Antibiotics in 51 Streams in Nine Midwestern States, 2002 By ELISABETH A. SCRIBNER, WILLIAM A. BATTAGLIN, JULIE E. DIETZE, and E.M. THURMAN Open-File Report 03-217 Prepared in cooperation with the U.S. GEOLOGICAL SURVEY TOXIC SUBSTANCES HYDROLOGY PROGRAM Lawrence, Kansas 2003 CONTENTS Abstract.....................................................................................................................................................^ 1 Introduction .................................................................................................................................................................^ 1 Previous Studies........................................................................................................................................................... 1 Changes in Herbicide Use Since 1989 ........................................................................................................................ 3 Herbicide Degradation Products.................................................................................................................................. 4 Antibiotics ................................................................................................................................................................. 5 Purpose and Scope of Report....................................................................................................................................... 6 Methods ....................................................................................................................................^ 6 Selection of Sampling Sites......................................................................................................................................... 6 Sample Collection..........................................................................................................................................^ 6 Sample Processing....................................................................................................................................................... 6 Laboratory Methods .................................................................................................................................................. 8 Gas Chromatography/Mass Spectrometry......................................................................................................... 8 Liquid Chromatography/Mass Spectrometry .................................................................................................... 12 Analytical Results....................................................^ 13 Streamflow and Physical Properties............................................................................................................................ 13 Results of Laboratory Method Analysis Code GCS.................................................................................................... 13 Results of Laboratory Method Analysis Code LCAA................................................................................................. 14 Results of Laboratory Method Analysis Code LCEA................................................................................................. 15 Results of Laboratory Method Analysis Code LCGY................................................................................................. 15 Results of Laboratory Method Analysis Code LCAN................................................................................................. 16 Quality-Control Samples............................................................................................................................................. 17 Duplicate Analysis of Selected Herbicides ................................................................................................................. 18 References Cited.................................................................. 18 Supplemental Information............................................................................................................................... 21 FIGURES 1. Map showing location of study area, stream sampling sites, and associated drainage areas sampled during 2002 2 2. Graph showing herbicide use in Midwestern United States, 1990-2001 ............................................................... 4 3. Chemical structure diagrams showing pathways for degradation of atrazine, cyanazine, propazine, and simazine todeethylatrazineanddeisopropylatrazine............................................................................................................. 5 4-7. Graphs showing: 4. Number of detections for selected herbicides and degradation products determined by laboratory method analysis code GCS for pre-emergence, post-emergence, and harvest-season runoff samples collected from 51 streams in nine Midwestern States, 2002 ..................................................................................................... 14 5. Number of detections for selected acetamide degradation products determined by laboratory method analysis code LCAA for pre-emergence, post-emergence, and harvest-season runoff samples collected from 51 streams in nine Midwestern States, 2002 ..................................................................................................... 15 6. Number of detections for selected triazine and phenylurea herbicides and their degradation products determined by laboratory method analysis code LCEA for pre-emergence, post-emergence, and harvest- season runoff samples collected from 51 streams in nine Midwestern States, 2002......................................... 16 7. Number of detections for glyphosate, its degradation product, AMPA, and glufosinate determined by laboratory method analysis code LCGY for pre-emergence, post-emergence, and harvest-season runoff samples collected from 51 streams in nine Midwestern States, 2002............................................................... 17 Contents III TABLES 1. Names, locations, and drainage areas for 51 stream sampling sites in nine Midwestern States, 2002.................. 7 2. Chemical compounds, laboratory method analysis codes, USGS parameter codes, approved USGS method numbers, and reporting limits determined for water samples collected from 51 streams in nine Midwestern States, 2002................................................................................................................................................ 9 3. Streamflow and physical properties determined for water samples collected from 51 streams in nine Midwestern States, 2002......................................................................................................................................... 22 4. Statistical summary of Streamflow and physical properties determined for water samples collected from 51 streams in nine Midwestern States, 2002 .......................................................................................................... 29 5. Concentrations of selected herbicides and degradation products determined by laboratory method analysis code GCS for water samples collected from 51 streams in nine Midwestern States, 2002 .................................. 30 6. Statistical summary of concentrations of selected herbicides and degradation products determined by laboratory method analysis code GCS for water samples collected from 51 streams in nine Midwestern States, 2002........ 47 7. Concentrations of selected acetamide degradation products determined by laboratory method analysis code LCAA for water samples collected from 51 streams in nine Midwestern States, 2002 ................................ 49 8. Statistical summary of concentrations of selected acetamide degradation products determined by laboratory method analysis code LCAA for water samples collected from 51 streams in nine Midwestern States, 2002 ..... 67 9. Concentrations of selected triazine and phenylurea herbicides and their degradation products determined by laboratory method analysis code LCEA for water samples collected from 51 streams in nine Midwestern States, 2()02..............................................................._ 69 10. Statistical summary of concentrations of selected triazine and phenylurea herbicides and their degradation products determined by laboratory method analysis code LCEA for water samples collected from 51 streams in nine Midwestern States, 2002............................................................................................................................. 93 11. Concentrations of glyphosate, its degradation product, AMPA, and glufosinate determined by laboratory method analysis code LCGY for water samples collected from 51 streams in nine Midwestern States, 2002 ..... 95 12. Statistical summary of concentrations of glyphosate, its degradation product, AMPA, and glufosinate determined by laboratory method analysis code LCGY for water samples collected from 51 streams