Glossary D

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

A Discharge is Flow of surface water in a stream or canal or the outflow of Ground Water from a flowing artesian well, ditch, or spring.

Discharge Areas are locations where groundwater Flows or is discharged to the surface

A Discovery is the initial activity in the Superfund process where a potentially contaminated site is reported to EPA or a similar state or local agency

A discrete resource is consisting of a collection of distinct units, such as lakes or stream reaches.

A discriminant analysis is a type of multivariate analysis used to distinguish between two groups.

Deutsch: Krankheit / Español: Enfermedad / Português: Doença / Français: Maladie / Italiano: Malattia /

In the environmental context, "disease" refers to the spread and impact of illness or infection on humans, animals, or plants that is influenced by environmental factors.

Deutsch: Desinfektionsmittel / Español: Desinfectante / Português: Desinfetante / Français: Désinfectant / Italiano: Disinfettante /

A Disinfectant is a chemical or physical process that kills pathogenic organisms in water, air, or on surfaces.

A Disinfectant By-Product is a compound formed by the reaction of a disinfenctant such as chlorine with organic material in the water supply; a chemical byproduct of the disinfection process..

Disinfectant Byproducts are Chemicals that may form when disinfectants (such as chlorine), react with plant matter and other naturally occurring materials in the water.

A Disinfectant Time is the time it takes water to move from the point of Disinfectant application (or the previous point of residual Disinfectant measurement) to a point before or at

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