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Drinking water Recreational water Fish consumption Lake by lake Other issues Resources and references

Glossary of technical terms
    that appear in the LaMPs

Acronyms | Words and definitions

Words
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Individual Permit

An Army Corps of Engineers permit that is issued following a case-by-case evaluation of an application to perform dredge or fill activities in the waters of the U.S., including wetlands.

Industrial Waste

Any liquid, gaseous, or solid waste resulting from any process of industry, manufacturing, trade, or business or from the development of any natural resource.

Industrial Waste

Any liquid, gaseous, or solid waste resulting from any process of industry, manufacturing, trade, or business or from the development of any natural resource.

Inflow and Infiltration (I and I)

The penetration of water from the soil into sewer or other pipes through defective joints or connections and/or the penetration of water through the ground surface into the subsurface soil.

Intake Credits

A process that allows a point source discharger to take into account the quality of its source water when determining its effluent limitation standards.

Integrated Great Lakes Atmospheric Deposition Network (IGLADN)

A joint effort of the U.S. and Canada to measure atmospheric deposition of toxic material to the Great Lakes. It was mandated by the Great Lakes Water Quality Agreement. The network also fulfills the requirements of the Great Waters Program mandated by the 1990 Clean Air Act Amendments calling for a Great Lakes atmospheric deposition network. One master sampling station was installed at each of the Great Lakes by the end of 1991 to monitor for deposition of selected toxic pollutants, including mercury. Also see "Great Lakes National Program Office."

Integrated Pest Management (IPM)

A management system that uses all suitable techniques in an economical and ecologically-sound manner to reduce pest populations and maintain them at levels that do not have an economic impact, while minimizing danger to humans and the environment.

International Association for Great Lakes Research (IAGLR)

An international association of scientists that studies the world’s large lakes. They publish a research periodical called the Journal of Great Lakes Research and hold yearly meetings within the Great Lakes basin.

International Joint Commission (IJC)

An international organization formed by Canada and the United States in 1909 as a result of the Boundary Waters Treaty to assist in preventing disputes and resolving issues involving all water bodies shared by the U.S. and Canada and to make recommendations about their management, particularly water quality issues and the regulation of water levels. Three commissioners are appointed by each country. Under the Great Lakes Water Quality Agreement, the IJC is also required to monitor progress by Canada and the United States as the two countries implement the goals and objectives of the Agreement. The IJC analyzes and publishes data, provides advice and recommendations and undertakes other initiatives as requested. Two advisory boards, the Great Lakes Water Quality Advisory Board and the Science Advisory Board, exist to assist the Commission with the Agreement-related responsibilities. Also see "Great Lakes Water Quality Agreement."

International Tracking System

The International Tracking System is a binational effort to standardize reporting of wetland restoration, protection, and other data in the U.S. and Canada. Data are available for fiscal years 1992-96, although it may not be fulling updated.

Interstate Waters

Rivers, lakes, and other waters that flow across state or international boundaries. These include waters of the Great Lakes.

Invertebrates

The classification for animals that do not have a backbone or internal skeleton. See also "zooplankton" and "benthic invertebrates."

Isothermal

Marked by equality of temperature.

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Other Great Lakes Glossaries


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