Revision History for SIR 2009-5062

Jeffrey D. Martin

Sources and Preparation of Data for Assessing Trends 
in Concentrations of Pesticides in Streams of the 
United States, 1992–2006

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First posted online June 5, 2009

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Revised October 1, 2009

The text version was modified slightly. On page 24, 
the following citation was added:

Martin, J.D., Stone, W.W, Wydoski, D.S., and Sandstrom, 
  M.W., 2009, Adjustment of pesticide concentrations 
  for temporal changes in analytical recovery, 1992–
  2006: U.S. Geological Survey Scientific Investiga-
  tions Report 2009–5189, 23 p., 9 apps.

On pages 15 and 17, "written commun." citations to 
Wesley W. Stone and others were changed to 
"(Martin and others, 2009)" in reference to the above 
citation.

Appendixes 2 and 3 were enhanced with headers and 
PDF bookmarks.
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Revised November 16, 2009

Corrections made to the text to fix a pagination 
problem (content not changed).

Appendix 4 in the zipped file of appendix downloads 
also was found to be faulty and was replaced.