Record Display for the EPA National Library Catalog


Main Title Paso del Norte Ozone Study VOC Measurements, 1996.
Author Seila, R. L. ; Main, H. ; Arriaga, J. L. ; Martinez, G. V. ; Ramadan, A. B. ;
CORP Author Environmental Protection Agency, Research Triangle Park, NC. National Exposure Research Lab. ;Sonoma Technology, Inc., Petaluma, CA. ;Instituto Mexicano del Petroleo, Mexico City. ;Egyptian Radiation and Environmental Monitoring Network, Cairo (Egypt).
Publisher 1999
Year Published 1999
Report Number EPA/600/A-99/068;
Stock Number PB99-171480
Additional Subjects Air quality monitoring ; Ozone ; Mexico ; Air quality ; Petroleum industry ; Organic compounds ; Carbonyls ; Emissions ; Hydrocarbons ; Automotive industry ; Laboratories ; Chromatographic analysis ; Surveys ; United States ; Atmospheric chemistry ; Sampling ; Fuel ; Paso el Norte(Mexico) ; VOCs(Volatile organic compounds)
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
NTIS  PB99-171480 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 20p
The results of VOC determinations of ambient air samples collected at surface air quality monitoring sites and near sources of interest on the US and Mexican side of the border during six weeks of the 1996 Paso del Norte Ozone Study are reported. Carbonyl samples were collected on DNPH impregnated cartridges at three surface sites and analyzed by HPLC to quantify 13, C-1 to C-8 species. Whole air samples were collected in electro-polished stainless steel canisters which were returned to laboratory for determination of C-2 to C-10+ hydrocarbons by cryogenic preconcentration capillary gas chromatography with flame ionization detection (gc-fid). Several sources were sampled: rush hour traffic, propane-powered bus exhaust, automobile paint shop emissions, propane fuel, petroleum refinery, and industrial manufacturing site. Spatial and temporal characteristics of VOC species concentrations and compositions are presented. Overall surface TNMOC values ranged from 0.1 to 3.4 ppmC with the highest concentrations recorded in the morning at three vehicle-dominated sites, two in Cuidad Juarez and one in downtown El Paso. Toluene in El Paso samples and propane, which is used as a cooking and transportation fuel in Cuidad Juarez, were the most abundant hydrocarbons.