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Summary
Results obtained from measurements of the concentration and size of particulate matter in air are dependent on the method used. Filtration samplers in conjunction with gravimetric analysis, as exemplified by the high-volume air sampler, represent the most commonly used technique in this country. The spot tape sampler and smokeshade devices have value in assessing the soiling properties of particulate matter, but are poor indicators of mass loading. Continuous monitors now available for measuring the concentration of atmospheric particulate matter appear promising, although further field testing is needed to assess their accuracy.
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Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1974. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
