Glossary D

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

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.

Deutsch: Desinfektionszeit / Español: Tiempo de Desinfección / Português: Tempo de Desinfetante / Français: Temps de Désinfectant / Italiano: Tempo di Disinfettante /

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

Deutsch: Desinfektion / Español: Desinfección / Português: Desinfecção / Français: Désinfection / Italiano: Disinfezione

Disinfection in the environmental context refers to the process of eliminating or reducing harmful microorganisms, such as bacteria, viruses, and fungi, from surfaces, water, air, or other environments to prevent the spread of disease and contamination. It is a critical component of environmental management, particularly in water treatment, waste management, and public health protection. Disinfection ensures that environments remain safe and free from pathogens that could harm human health or disrupt ecosystems.