The relationship between volatile organic profiles and emission sources in ozone episode region—a case study in Southern Taiwan
作者： J TSAI , Y HSU , J YANG
DOI: 10.1016/J.SCITOTENV.2004.01.020
关键词:
摘要: This study investigates the relationship between volatile organic profiles in atmosphere and emission sources an ozone non-attainment region Southern Taiwan. Dynamometer test of vehicles stack sampling from industrial facilities were conducted to obtain fingerprints emissions on-road mobile stationary sources, respectively. In addition, field non-methane compounds (NMOC) concentration at monitoring stations during episode seasons also collected by canisters. The influences different on airborne concentrations estimated back-trojectory analysis chemical mass balance model (CMB 8.0) calculation. Field measurement data indicated that daily average NMOC ranges 26.4 69.8 ppb sites. fraction for paraffins, oleffins aromatics samples these sites 28-47%, 7-12% 41-52%, Toluene was dominant species among species, followed isopentane, n-butane 1,2,4-trimethylbenzene. source apportionment region, based CMB simulation, is passenger cars (28-51%), motorcycles (9-24%), (14-33%), solvent application (13-46%) biogenic (< 1-2.4%), Both showed vehicle exhaust are contributors region.
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