Glossary D

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

Double Drivers are Having two drivers in the cab instead of one allows for the continual movement of freight, thereby eliminating the need for overnight stops and idling.

double hulled tankers are large transport ships with two hulls with space between them, protecting the cargo (in most cases, oil) from spilling in case of a collision.

A double sample is a sample of a sample. Specifically in EMAP, resource attributes

Double trucks (Doubles) are two 28-foot trailers that are pulled by one tractor. Doubles also are known as "double bottoms.

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.

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