Glossary D

The Environmental Glossary. Letter D +++ Popular Articles: 'Disease', 'Deposition', 'Development'

A Downer Cow is a Cow unable to arise due to disease or injury.

A Downgradient is the direction that groundwater flows; similar to "downstream" for surface water.

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

A DP Hole is Hole in the ground made with DP equipment. (See: direct push.)

A Draft is 1. The act of drawing or removing water from a tank or reservoir. 2. The water which is drawn or removed.

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

Deutsch: Drain / Português: Drain / Français: Drain
Drain may refer to a fixture that provides an exit-point for waste water or water that is to be re-circulated or as a synonym for drainage, the natural or artificial removal of surface and sub-surface water from a given area.

A Drain Tile Loop is a continuous length of drain tile or perforated pipe extending around all or part of the internal or external perimeter of a basement or crawlspace footing.

A drain trap is a dip in the drain pipe of sinks, toilets, floor drains, etc., which is designed to stay filled with water, thereby preventing sewer gases from escaping into the room.

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

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