Source profiles for industrial, mobile, and area sources in the Big Bend Regional Aerosol Visibility and Observational study.
Representative PM2.5 and PM10 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.
Chow
Judith C
JC
Division of Atmospheric Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512-1095, USA. judyc@dri.edu
Watson
John G
JG
Kuhns
Hampden
H
Etyemezian
Vicken
V
Lowenthal
Douglas H
DH
Crow
Dale
D
Kohl
Steven D
SD
Engelbrecht
Johann P
JP
Green
Mark C
MC
D000393:Air Pollutants / Q000737:chemistry*; D001272:Atmosphere / Q000032:analysis*; D002244:Carbon / Q000737:chemistry; D003198:Computer Simulation; D004784:Environmental Monitoring; D019652:Extraction and Processing Industry; D009010:Monte Carlo Method; D010316:Particle Size; D013781:Texas; D001335:Vehicle Emissions
D000393:Air Pollutants; D001335:Vehicle Emissions; D002244:Carbon