particulate matter
Definition
Minute airborne liquid or solid particles (such as dust, fume, mist, smog, smoke) that cause air pollution. Particulate matter may vary greatly in color, density, size, shape, and electrical charge, from place to place and from time to time.
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particulate matter is in the Environment & Pollution Control and Material & Occupational Safety subjects.
particulate matter appears in the definitions of the following terms: fumes, scrubber, dust, fine particle and process weight
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