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Modeling atmospheric air dispersion employs the use of a computer program to estimate the concentration of air pollutants dispersed in the atmosphere that are emitted from sources such as industrial plants. The results are used to determine whether existing or proposed industrial facilities are or will be in compliance with state and national regulatory guidelines. In addition, the results may also be used to reconstruct past...
Ambient air monitoring involves the location of air sampling devices for the purpose of defining the kind and quantity of toxic chemicals to which a community is being exposed. Those devices collect a variety of gases, chemicals and particulates in ambient air. In turn, laboratories analyze the air samples for their precise content.