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Main Title Fate of Nitrogen Oxides in the Atmosphere.
Author Spicer, Chester W. ; Gemma, James L. ; Schumacher, Philip M. ; Ward., Gerald F. ;
CORP Author Battelle Columbus Labs., Ohio.;Coordinating Research Council, Inc., New York.;Environmental Protection Agency, Research Triangle Park, N.C.
Year Published 1976
Report Number CRC-APRAC-CAPA-9-71;
Stock Number PB-267 784
Additional Subjects Nitrogen oxides ; Gas analysis ; Smog ; Urban areas ; Air pollution ; Particles ; Chemical analysis ; Monitoring ; Trajectory ; Data analysis ; Air filters ; Aerosols ; Nitric acid ; Chemiluminescence ; Measuring instruments ; Infrared spectroscopy ; Test chambers ; Experimental design ; Computerized simulation ; Coulometers ; Path of pollutants ; Air pollution detection ; Long path infrared spectroscopy
Library Call Number Additional Info Location Last
NTIS  PB-267 784 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 122p
Abstract The report describes the second year of a continuing study to determine the distribution and fate of nitrogen oxides in the atmosphere. Analytical methods developed in the first year were refined and validated and results from the first year study were reexamined with the aid of additional data collected simultaneously by other research groups. An instrumental technique for nitric acid was refined, tested for interference, and verified against a long-path infra-red technique under simulated smog conditions. The interference by PAN and nitric acid with the chemiluminescent determination of NO2 was studied with a view toward reducing or minimizing the interference. Nitric acid interference was eliminated by the use of a nylon prefilter on the chemiluminescent instrument. The interaction of gaseous nitric acid with alkaline glass-fiber filters was shown to yield artifact particulate nitrate.
Supplementary Notes Sponsored in part by Environmental Protection Agency, Research Triangle Park, N.C. See also PB-248 259.
NTIS Title Notes Second year rept..
PUB Date Free Form Aug 76
Category Codes 7D; 68A; 99A
NTIS Prices PC A06/MF A01
Primary Description 200/04
Document Type NT
Cataloging Source NTIS/MT
Control Number 323718349
Origin NTIS
Type CAT