Planning for Environmental Indices
Air pollution is defined by technical experts in terms of “nonequilibrium” with respect to specific physical, biological, and chemical parameters. Most air quality indices in the United States rely on two classes of federal ambient air quality standards: primary standards which are designed to protect human health, and more stringent secondary standards which are intended to protect materials, vegetation, and amenities. However, there are many air pollutants for which there are no federal standards as yet and none of the many air quality indices have gained widespread support (National Academy of Sciences-National Academy of Engineering, 1975, p. 23).
KeywordsSulfur Dioxide Gaseous Pollutant Juvenile Delinquency Environmental Index Publicity Campaign
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