984 resultados para Illinois. Environmental Protection Agency. Office of Chemical Safety
Resumo:
On cover: Water quality management.
Resumo:
"December 1990."
Resumo:
"August 1998."
Resumo:
The establishment of a Total Maximum Daily Load sets the pollutant reduction goal necessary to improve impaired waters. It determines the load, or quantity of any given pollutant that can be allowed in a particular water body. A TDML must consider all potential sources of pollutants whether point or nonpoint. It also takes into account a margin of safety, which reflects scientific uncertainty, as well as the effects of seasonal variation.
Resumo:
"Spring 1995"
Resumo:
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.
Resumo:
"February 1995."
Resumo:
"January 1998."
Resumo:
Mode of access: Internet.
Resumo:
"IEPA/BOW/07-020"--Cover.
Resumo:
Includes index.
Resumo:
Mode of access: Internet.
Resumo:
"GAO-01-313."
Resumo:
Study conducted by Development, Planning and Research Associates, Inc.
Resumo:
"February 1977."