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

dosimeter

Natural environment; Water

An instrument to measure dosage; many so-called dosimeters actually measure exposure rather than dosage. Dosimetry is the process or technology of measuring and/or estimating dosage.

dot reportable quantity

Natural environment; Water

The quantity of a substance specified in a U.S. Department of Transportation regulation that triggers labeling, packaging and other requirements related to shipping such substances.

downstream processors

Natural environment; Water

Industries dependent on crop production (e.g. canneries and food processors).

draft permit

Natural environment; Water

A preliminary permit drafted and published by EPA; subject to public review and comment before final action on the application.

drainage

Natural environment; Water

Improving the productivity of agricultural land by removing excess water from the soil by such means as ditches or subsurface drainage tiles.

drilling fluid

Natural environment; Water

Fluid used to lubricate the bit and convey drill cuttings to the surface with rotary drilling equipment. Usually composed of bentonite slurry or muddy water. Can become contaminated, leading to cross ...