61 resultados para surface water sample
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Bibliography: p. 55-56.
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Bibliography: p. 40-41.
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"June 1996."
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This report provides a review and summarization of stream pesticide data collected by the Illinois EPA Ambient Water Quality Monitoring Network between October 1985 and December 1998. A list of sampling stations is provided in Appendix A along with data from the seven most detected pesticides which are provided in Appendix B.
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"February, 1970."
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"February, 1968."
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Mode of access: Internet.
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Chiefly tables.
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Mode of access: Internet.
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Mode of access: Internet.
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Previous editions published under title: Surface water temperature and salinity, Atlantic coast, North and South America.
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"Lake and stream classification project."
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Mode of access: Internet.
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Mode of access: Internet.
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1911-June 1914, 1930-1931 issued with the cooperation of the U.S. Geological Survey