Record Display for the EPA National Library Catalog

RECORD NUMBER: 63 OF 73

OLS Field Name OLS Field Data
Main Title Technique for in situ calibration of particulate mass monitors /
Author John, Walter, ; Hering, Susanne ; Wesolowski, Jerome J.
Other Authors
Author Title of a Work
Hering, Susanne Vera.
Wesolowski, Jerome John,
CORP Author California Dept. of Health Services, Berkeley. Air and Industrial Hygiene Lab. Section.;Environmental Sciences Research Lab., Research Triangle Park, NC.
Publisher U.S. Environmental Protection Agency, Environmental Sciences Research Laboratory,
Year Published 1979
Report Number EPA 600/2-79/191
Stock Number PB80-137607
OCLC Number 39463261
Subjects Particle size determination--Instruments.
Additional Subjects Aerosol generators ; Calibrating ; Performance evaluation ; Aerosols ; Weight(Mass) ; Air pollution sampling ; Air pollution monitors
Internet Access
Description Access URL
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=91018EFX.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EHAM  EPA 600/2-79/191 Region 1 Library/Boston,MA 05/25/2016
EJBD ARCHIVE EPA 600-2-79-191 Headquarters Library/Washington,DC 09/07/2011
EJBD  EPA 600-2-79-191 c.1 Headquarters Library/Washington,DC 01/29/2014
EKAM  EPA 600/2-79/191 Region 4 Library/Atlanta,GA 07/17/1998
EKBD  EPA-600/2-79-191 Research Triangle Park Library/RTP, NC 07/04/2003
ESAD  EPA 600-2-79-191 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB80-137607 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 01/01/1988
Collation ix, 46 pages : illustrations ; 28 cm.
Abstract
Two types of aerosol generators, the Riker Laboratories metered spray can and the Mistogen EN145 ultrasonic nebulizer, were evaluated by laboratory measurements for application to the in situ calibration of particulate mass monitors for stationary sources. The metered spray can delivers a fixed amount of aerosol each time the valve is depressed. The average mass of propellant and solution in each squirt is 52 mg, and is reproducible within 4%. The volume median diameter was varied from 1.4 to 3.2 micrometers by selection of solute concentration. Because of its simplicity and reproducibility of output, the metered spray may be useful for a variety of applications requiring a portable aerosol source. For calibrating stack beta gauges, larger aerosol output of 5-10 mg is needed, requiring a valve with a metering volume at least ten times larger than present valves. Contact electrification monitors require a test aerosol of 25 mg/cu m at a flow of 1 cu m/min. Appropriate for this application is the ultrasonic nebulizer, which has an output of 50 mg/min, constant to within 8% over a period of hours.
Notes
"EPA-600/2-79-191." EPA grant number R 805577010. EPA project officer: John Nader. Includes bibliographical references (pages 41-42).