Glossary D

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

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.

Displacement Savings are Saving realized by displacing purchases of natural gas or electricity from a local utility by using landfill gas for power and heat.

Disposables are Consumer products, other items, and Packaging used once or a few times and discarded.

Deutsch: Entsorgung / Español: Eliminación / Português: Eliminação / Français: Élimination / Italiano: Smaltimento /

A Disposal is Final placement or destruction of toxic, radioactive, or other wastes; surplus or banned pesticides or other chemicals; polluted soils; and drums containing hazardous materials from removal actions or accidental releases.

Disposal Facilities are Repositories for solid waste, including landfills and combustors intended for permanent containment or destruction of waste materials.

A Dissolved Oxygen (DO) is the oxygen freely available in water, vital to fish and other aquatic life and for the prevention of odors.

Dissolved Oxygen (DO) content is amount of Oxygen gas (O2) dissolved in a given volume of water at a

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