850 resultados para temporary streams
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"Illinois Department of Energy and Natural Resources."--Cover.
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"Printed: January 1991."
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According to Section 305(b) of the Clean Water Act (i.e. a generic name that refers to the Federal Water Pollution Control Act of 1972, the Clean Water Act of 1977, and subsequent amendments) and guidance provided by the United States Environmental Protection Agency (USEPA), each state must prepare and submit annually to the U.S. Congress and the USEPA report that describes the resource quality of the surface waters of the state. Every other year, this report, commonly referred to as the "305(b) report," must be provided in written form, whereas in alternate years each state may submit an electronic database to meet the reporting requirement. In the 305(b) report, states must also explain how they determined the resource quality of the waters of the state in terms of the degree to which predefined beneficial uses of those waters are supported. Also, in the 305(b) report when any designated use for any water body is not fully supported, the state must report potential reasons for the impairment. Herein, is explained how the Illinois Environmental Protection Agency determines the resource quality of Illinois streams, inland lakes, and Lake Michigan.
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"July 1992."
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Cover title.
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"Working paper no. 1."
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Caption title: Final report of the Streams Assessment Subcommittee, State Water Plan Task Force.
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"February, 1981."
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Bibliography: p. 308.
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Description based on: 1967/1969; title from cover.
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Cover title.
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Cover title.
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"July 1, 1997-June 30, 1999"--table of contents page.
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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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"Contract WR 22."