27 resultados para pollution monitoring sensors
Resumo:
"Contract report 655"--Cover.
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"Prepared for the Illinois Dept. of Natural Resources."
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"December 1990."
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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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Includes 87 or more reports on individual lakes in Illinois; some will be updated periodically.
Resumo:
"IEPA/WPC/86-001."
Resumo:
"IEPA/WPC/84-030."
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"November, 1982."
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"November 14, 2005."
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"June 1986."
Resumo:
"GAO-01-313."