116 resultados para Environmental monitoring--Ontario.
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Includes bibliographies.
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"December 1990."
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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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"IEPA/BOW/02-005"--Cover.
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Description based on: 1981; title from cover.
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Published in 7 v., v. 1 being a statewide summary report and other 6 v. being the regional reports.
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"IEPA/BOW/07-020"--Cover.
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"December 1991."
Evaluation of the Technicon block digestor system for total kjeldahl nitrogen and total phosphorus /
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Issued Feb. 1978.
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Mode of access: Internet.
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Bibliography: p. 7-9.
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Bibliography: p. 28-29.
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Issued July 1977.
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Issued Oct. 1977.
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Mode of access: Internet.