Determination of non-methane hydrocarbon emission factors from vehicles in a Tunnel in Seoul in May 2000 |
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| Authors: | Kwangsam Na Kil-Choo Moon Yong Pyo Kim |
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| Affiliation: | (1) Global Environmental Research Center, Korea Institute of Science and Technology, PO Box 131, Cheongryang, 130-650 Seoul, Korea;(2) Department of Environmental Science and Engineering, Ewha Womans Univdersity, 11-1 Deahyundong, Seodaemungu, 120-750 Seoul, Korea |
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| Abstract: | Measurements of non-methane hydrocarbons (NMHC) were performed at the entrance and exit of the Sangdo tunnel to estimate emission
factors (EF) of NMHC from vehicles in May 2000. About 50 species were analyzed by a combined GC/FID and GC/MS system. Ethylene
was the most abundant compound, followed by n-butane and acetylene, respectively. Based on the measurement data, the real
world vehicular EF in Seoul was estimated. The highest EF value was 89.8 mg (veh-mile)-1 for n-butane, followed by ethylene and toluene. |
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| Keywords: | Non-Methane Hydrocarbons Vehicular Emission Factors Tunnel Measurement Seoul |
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