Collection and characterization of a bulk PM2.5 air particulate matter material for use in reference materials

A contemporary PM2.5 (particulate matter smaller than 2.5 microns aerodynamic diameter) aerosol material from an urban site has been collected for the production of a new standard reference material that will be made available for the development of new PM2.5 air quality standards. Air particulate m...

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Bibliographic Details
Published in:Biological trace element research 1999-12, Vol.71-72 (1), p.195-202
Main Authors: Heller-Zeisler, S F, Ondov, J M, Zeisler, R
Format: Article
Language:English
Subjects:
Aerosols
Air Pollutants - analysis
Air Pollutants - chemistry
Air pollution
Air quality
Air quality standards
Air sampling
Airborne particulates
Environmental Monitoring
Environmental protection
Membrane filters
Neutron Activation Analysis
Outdoor air quality
Particle Size
Particulate matter
Reference Standards
Urban areas
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Summary:A contemporary PM2.5 (particulate matter smaller than 2.5 microns aerodynamic diameter) aerosol material from an urban site has been collected for the production of a new standard reference material that will be made available for the development of new PM2.5 air quality standards. Air particulate matter corresponding to the PM2.5 fraction was collected at an established Environmental Protection Agency monitoring site in Baltimore, Maryland. The air-sampling system that has been constructed for this collection separates fine particles with a cyclone separator and deposits them onto an array of Teflon membrane filters. The fine air particulate material is removed by ultrasonication or by mechanical means and collected for further preparation of standards. The composition of the collected PM2.5 aerosol, as well as the composition of the deposited PM2.5 aerosol, are determined by instrumental nuclear activation analysis and other techniques.
ISSN:0163-4984
1559-0720
DOI:10.1007/BF02784205