Glossary

Description
Underground Storage Tank (UST)
Any metal, fiberglass or plastic storage tank or container that is 90% or more buried in the earth and typically contains oil, gasoline or other hazardous materials. Under Merger, the phrase typically refers to 'UST sites', which may or may not pose a contamination problem and might require additional geotechnical studies to determine their potential risk.
Understory
The vegetation layer between the overstory or canopy and the groundcover of a forest community, usually formed by shade-tolerant species or young individuals of emergent species. May also refer to the groundcover if no tree or shrub layer is present. (USGS - biology.usgs.gov/s+t/SNT/noframe/zy198.htm).
Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970
See Glossary of Environmental Laws
United States Army Corps of Engineers (USACE or ACE)
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United States Coast Guard (USCG)
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United States Department of Agricultural (USDA)
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United States Department of Commerce (USDOC)
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United States Department of Health and Human Services (US DHHS)
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United States Department of Homeland Security (US DHS)
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United States Department of Interior (US DOI)
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United States Department of Justice (DOJ)
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United States Department of Transportation (USDOT)
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United States Environmental Protection Agency (USEPA or EPA)
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United States Fish and Wildlife Service (USFWS or FWS)
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United States Forest Service (USFS)
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United States Geological Survey (USGS)
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Utility Relocations
Moving a utility for a road project; The utility's service should be restored so that it may continue to provide its product to its users in a fashion similar to that which existed prior to its relocation as a result of the highway project. http://www.fhwa.dot.gov/reports/utilguid/util1.htm
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