Glossary D

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

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

A Disinfectants is One of three groups of antimicrobials registered by EPA for public health uses. EPA considers an ANTIMICROBIAL to be a Disinfectant when it destroys or irreversibly

A Dispersant is a chemical Agent used to break up concentrations of Organic Material such as spilled oil.

A Dispersion is the degree of "data scatter” (random disposition) around the data mean or median.

A Dispersion model: is a computerized set of mathematical equations that uses emissions and meteorological information to simulate the behavior and movement of air pollutants in the atmosphere.

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