Source profiles for industrial, mobile, and area sources in the Big Bend Regional Aerosol Visibility and Observational study

Representative PM 2.5 and PM 10 source emissions were sampled in Texas during the Big Bend Regional Aerosol Visibility and Observa (BRAVO) study. Chemical source profiles for elements, ions, and carbon fractions of 145 samples are reported for paved and unpaved road dust, soil dust, motor vehicle ex...

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Bibliographic Details
Published in:Chemosphere (Oxford) 2004, Vol.54 (2), p.185-208
Main Authors: Chow, Judith C., Watson, John G., Kuhns, Hampden, Etyemezian, Vicken, Lowenthal, Douglas H., Crow, Dale, Kohl, Steven D., Engelbrecht, Johann P., Green, Mark C.
Format: Article
Language:English
Subjects:
Air Pollutants - chemistry
Applied sciences
Atmosphere - analysis
Atmospheric pollution
BRAVO
Carbon - chemistry
Carbon fractions
Chemical mass balance receptor model
Combustion emissions
Computer Simulation
Earth, ocean, space
Environmental Monitoring
Exact sciences and technology
External geophysics
Extraction and Processing Industry
Meteorology
Monte Carlo Method
Particle Size
Particles and aerosols
Pollution
Pollution sources. Measurement results
Source profiles
Texas
Vehicle Emissions
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Summary:Representative PM 2.5 and PM 10 source emissions were sampled in Texas during the Big Bend Regional Aerosol Visibility and Observa (BRAVO) study. Chemical source profiles for elements, ions, and carbon fractions of 145 samples are reported for paved and unpaved road dust, soil dust, motor vehicle exhaust, vegetative burning, four coal-fired power stations, an oil refinery catalytic cracker, two cement kilns, and residential meat cooking. Several samples were taken from each emitter and source type, and these were averaged by source type, and in source subgroups based on commonality of chemical composition. The standard deviation represents the variability of the chemical mass fractions. BRAVO profiles differed in some respects from profiles measured elsewhere. High calcium abundances in geological dust, high selenium abundances in coal-fired power stations, and high antimony abundances in oil refinery catalytic cracker emissions were found. Abundances of eight thermally evolved carbon fractions [Atmos. Environ. 28 (15) (1994) 2493] differ among combustion sources, and a Monte Carlo simulation demonstrates that these differences are sufficient to differentiate among several carbon-emitters.
ISSN:0045-6535
1879-1298
DOI:10.1016/j.chemosphere.2003.07.004