Glossary D

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

Deutsch: Vorgesehene Verwendung / Español: Uso designado / Português: Uso designado / Français: Utilisation désignée / Italiano: Uso designato /

A Designated Use is classification specified in water quality standards for each waterbody or segment describing the level of protection from perturbation afforded by the regulatory programs.

designated use classifications are classification of a waterbody or segment based on the purposes (beneficial uses) for which the waterbody may be used as specified in water quality standards.

Designated Uses are Those water uses identified in state water quality standards that must be achieved and maintained as required under the Clean Water Act.

Designer Bugs are Popular term for microbes developed through Biotechnology that can degrade specific toxic chemicals at their source in toxic waste dumps or in ground water.

A Destination Facility is the facility to which regulated medical waste is shipped for treatment and destruction, incineration, and/or disposal.

A Destratification is Vertical mixing within a lake or reservoir to totally or partially eliminate separate layers of temperature, plant, or animal life.

A Destroyed Medical Waste is Regulated medical waste that has been ruined, torn apart, or mutilated through thermal treatment, melting, shredding, grinding, tearing, or breaking, so that it is no longer generally recognized as medical waste, but has not yet been treated (excludes compacted regulated medical waste).

Deutsch: Zerstörungs- und Entfernungseffizienz / Español: Eficiencia de Destrucción y Remoción / Português: Eficiência de Destruição e Remoção / Français: Efficacité de Destruction et d'Élimination / Italiano: Efficienza di Distruzione e Rimozione /

A Destruction and Removal Efficiency (DRE) is a percentage that represents the number of molecules of a compound removed or destroyed in an incinerator relative to the number of molecules entering the system (e.g.

A Destruction Facility is a facility that destroys regulated medical waste.

German: Entschwefelung
A Desulfurization is Removal of sulfur from