General

General

General nature or nature terms.

Industry: Natural environment

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General

aquifer test

Natural environment; General

A test to determine hydraulic properties of an aquifer.

aquitard

Natural environment; General

Geological formation that may contain groundwater but is not capable of transmitting significant quantities of it under normal hydraulic gradients. May function as confining bed.

architectural coatings

Natural environment; General

Coverings such as paint and roof tar that are used on exteriors of buildings.

area of review

Natural environment; General

In the UIC program, the area surrounding an injection well that is reviewed during the permitting process to determine if flow between aquifers will be induced by the injection operation.

Any source of air pollution that is released over a relatively small area but which cannot be classified as a point source. Such sources may include vehicles and other small engines, small businesses ...

aromatics

Natural environment; General

A type of hydrocarbon, such as benzene or toluene, with a specific type of ring structure. Aromatics are sometimes added to gasoline in order to increase octane. Some aromatics are toxic.