Water

Water

Water is a chemical compound with the chemical formula H20. A water molecule contains one hydrogen atom and two oxygen atoms. Water is a liquid at standard ambient temperature and pressure though it can be a solid (ice)in low temperatures or evaporate into water vapor a higher temperatures.

Industry: Natural environment

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Water

Aquifer (confined)

Natural environment; Water

Soil or rock below the land surface that is saturated with water. There are layers of impermeable material both above and below it and it is under pressure so that when the aquifer is penetrated by a ...

Dredging

Natural environment; Water

Removal of mud from the bottom of water bodies. This can disturb the ecosystem and causes silting that kills aquatic life. Dredging of contaminated muds can expose biota to heavy metals and other ...

In-line filtration

Natural environment; Water

A pretreatment method in which chemicals are mixed by flowing water; commonly used in pressure filtration installations.

Pilot tests

Natural environment; Water

The testing of a cleanup technology under actual site conditions in a laboratory in order to identify potential problems before implementation.

Surface-water disposal

Natural environment; Water

Refers to the release of reclaimed water or treated effluent directly into a surface water body (including marshes or wetlands). This does not include water discharged into ponds for holding or ...

Aquifer (unconfined)

Natural environment; Water

An aquifer whose upper water surface (water table) is at atmospheric pressure, and thus is able to rise and fall.

Driller's well log

Natural environment; Water

A log kept at the time of drilling showing the depth, thickness, character of the different strata penetrated, location of water-bearing strata, depth, size, and character of casing installed.