Glossary D

The Environmental Glossary. Letter D +++ Popular Articles: 'Deposition', 'Degradation', 'Diesel'

German: Dekontamination
The Decontamination is the removal of harmful substances such as noxious chemicals,

A deconvolution is the process of removing the influence of extraneous variation from an apparent cumulative distribution. Extraneous variation--such as random errors in measurement--

A Decreasing block rate is Pricing that reflects per-unit costs of production and delivery that go down as customers consume more water (Nieswiadomy and Molina, 1989).

A Decrements in lung function is Decreases in lung function that can be measured by spirometry.

A Deep-Well Injection is Deposition of raw or treated, filtered Hazardous Waste by pumping it into deep wells, where it is contained in the pores of permeable subsurface rock.

A Deflocculating Agent is a material added to a suspension to prevent settling.

A Defluoridation is the removal of excess flouride in drinking water to prevent the staining of teeth.

A Defoliant is an Herbicide that removes leaves from trees and growing plants.

A Deforest ation is Those practices or processes that result in the change of forested lands to non-forest uses.

A Degasification is a water treatment that removes dissolved gases from the water.

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