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Main Title Use and limitations of in-stack impactors /
Author Lundgren, Dale A. ; Balfour, W. David
Other Authors
Author Title of a Work
Balfour, W. David.
Knapp, Kenneth T.
CORP Author Florida Univ., Gainesville. Dept. of Environmental Engineering Sciences.;Environmental Sciences Research Lab., Research Triangle Park, NC.;Emissions Measurement and Characterization Div.
Publisher Environmental Sciences Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service,
Year Published 1980
Report Number EPA-600/2-80-048; EPA-R-803692
Stock Number PB81-185118
OCLC Number 36920512
Subjects Cascade impactors (Meteorological instruments) ; Particle size determination--Instruments ; Air--Pollution
Additional Subjects Air pollution control equipment ; Aerosols ; Particle size distribution ; Performance evaluation ; Laboratory equipment ; Design criteria ; Sampling ; Surfaces ; Coatings ; Cascade impactors
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EHAM  EPA-600/2-80-048 Region 1 Library/Boston,MA 05/25/2016
EJBD  EPA 600-2-80-048 c.1 Headquarters Library/Washington,DC 01/14/2014
EKBD  EPA-600/2-80-048 Research Triangle Park Library/RTP, NC 07/04/2003
ELBD ARCHIVE EPA 600-2-80-048 Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
ESAD  EPA 600-2-80-048 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB81-185118 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation xiv, 112 pages : illustrations ; 28 cm.
Abstract A systematic evaluation of the operating parameters for four commercially available in-stack cascade impactors was carried out with polydisperse test aerosols. Test aerosols used were polystyrene latex spheres, uranine, sodium chloride, dioctyl-phthalate, or dinonyl phthalate. The effect upon the apparent measured size distribution of each polydisperse test aerosol was noted for various gas sampling rates (flow rates), types of impactor collection surfaces (glass fiber, uncoated aluminum, and aluminum coated with silicone), stage loadings and interstage losses. Collection surfaces were further characterized as to their weight loss during exposure to elevated temperatures and their tendency to be blown off by an impinging jet of air. Measurements revealed that interstage losses may amount to 30% of the total collected mass; however, there is little effect upon the apparent measured size distribution when these losses are ignored. The useful range of flow rates available for the impactors was defined at the lower end by a loss of useful sizing data and at the upper end by the presence of particle bounce off the latter stages. In general, the impactors were found to give similar apparent measured size distributions when operated at various flow rates within this useful range. Recommendations were made for: (1) optimum operation of the impactor when sampling various types of aerosols, and (2) accounting for observed or known errors in the data.
Notes "EPA-600/2-80-048." "February 1980." Performing organization: Dept. of Environmental Engineering Sciences, University of Florida. Project officer: Kenneth T. Knapp, Emissions Measurement and Characterization Division, Environmental Sciences Research Laboratory. Includes bibliographical references (pages 107-109). U.S. Environmental Protection Agency.
Place Published Research Triangle Park, NC Springfield, VA
Corporate Au Added Ent Environmental Sciences Research Laboratory. Emissions Measurement and Characterization Division.; United States. Environmental Protection Agency.; University of Florida. Department of Environmental Engineering Sciences.
Title Ser Add Ent Research reporting series. Environmental protection technology ; EPA-600/2-80-048.
PUB Date Free Form 1980
Series Title Traced Research reporting series Environmental Protection Technology ; EPA-600/2-80-048
Series Title Untraced Research reporting series. 2, Environmental Protection Technology ; EPA-600/2-80-048
NTIS Prices PC A07/MF A01
BIB Level m
Medium unmediated
Content text
Carrier volume
Cataloging Source OCLC/T
OCLC Time Stamp 20160419143452
Language eng
Origin OCLC
OCLC Rec Leader 02427cam 2200469Ka 45020