Record Display for the EPA National Library Catalog


Main Title Nonmethane Organic Carbon Concentrations in Air Masses Advected into Urban Areas in the United States.
Author Westberg, H. ; MacGregor, L. ;
CORP Author Washington State Univ., Pullman.;Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Sciences Research Lab.
Year Published 1987
Report Number EPA-R-812208; EPA/600/3-87/045;
Stock Number PB88-130067
Additional Subjects Organic compounds ; Gas analysis ; Air pollution ; Urban areas ; Advection ; Chemical analysis ; Air pollution detection ; Air sampling
Library Call Number Additional Info Location Last
NTIS  PB88-130067 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 309p
The report describes recent aircraft sampling programs to measure nonmethane organic carbon (NMOC) levels aloft in the upwind vicinity of several U.S. cities during the morning period of 0600 - 0900 A.M. The cities studied included Dallas-Ft. Worth, Tulsa, Atlanta, Birmingham, Philadelphia, and New York City. Individual hydrocarbon compounds were measured using gas chromatographic procedures. The organic carbonyl compounds were collected on silica packed SEP-PAK cartridges impregnated with 2,4-dinitro phenyl hydrazine (DNPH) and analyzed by HPLC. The data collected will be used in photochemical ozone models, such as OZIPP, to determine ozone control strategies.