A chemical agent used to break up concentrations of organic material such as spilled oil. Disposal may be accomplished through use of approved secure land fills, surface impoundments, land farming, deep-well injection, ocean dumping, or incineration. DO levels are considered a most important indicator of a water body's ability to support desirable aquatic life. Secondary and advanced waste treatment are generally designed to ensure adequate DO in waste-receiving waters. Disintegrated organic and inorganic material in water.
Excessive amounts make water unfit to drink or use in industrial processes.
The act of purifying liquids through boiling, so that the steam condenses to a pure liquid and the pollutants remain in a concentrated residue. Use of part of a stream flow as a water supply. A channel with a supporting ridge on the lower side constructed across a slope to divert water at a non-erosive velocity to sites where it can be used or disposed of. The actual quantity of a chemical administered to an organism or to which it is exposed. The product of the absorbed does from ionizing radiation and such factors as account for biological differences due to the type of radiation and its distribution in the body as specified by the International Commission on Radiological Units and Measurements.