Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title An evaluation of arsenite procedure for determination of nitrogen dioxide in ambient air /
Author Beard, Michael E.
Other Authors
Author Title of a Work
Margeson, John H.,
CORP Author National Environmental Research Center, Research Triangle Park, N.C. Quality Assurance and Environmental Monitoring Lab.
Publisher Environmental Protection Agency, Office of Research and Development, National Environmental Research Center,
Year Published 1974
Report Number EPA-650/4-74-048
Stock Number 27711
OCLC Number 03808894
ISBN pbk.
Subjects Air--Pollution--Measurement.
Additional Subjects Nitrogen dioxide ; Gas analysis ; Performance evaluation ; Gas sampling ; Gas flow ; Air pollution detection ; Sodium arsenites
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD ARCHIVE EPA 650-4-74-048 Headquarters Library/Washington,DC 05/20/2013
EJBD  EPA 650-4-74-048 Headquarters Library/Washington,DC 06/09/2015
EKBD  EPA-650/4-74-048 Research Triangle Park Library/RTP, NC 08/29/2017
NTIS  PB-239 727 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 01/01/1988
Collation iv, 13 pages : illustrations ; 27 cm.
The report describes and evaluates the sodium arsenite manual procedure for measurement of NO2 in ambient air. The evaluation included ruggedness testing, as described by Youden. The method involves sampling for 24 hours with a restricted-orifice bubbler immersed in a NaAsO2-NaOH collecting solution. The range of the method is approximately 20 to 750 micrograms/cum . The method was insensitive to normal variations in orifice bubbler diameter, temperature of the absorbing solution during sampling, and concentration of arsenite. However, the ruggedness test identified NO and CO2 as positive and negative interferents, respectively; sample flow rate may also be a variable affecting the method response.
Prepared under Program Element No. 1HA327, ROAP NO. 26AAF. Issued Nov. 1974. Includes bibliographical references (page 34).