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Received August 9, 2001
Accepted February 4, 2002
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Determination of Non-Methane Hydrocarbon Emission Factors from Vehicles in a Tunnel in Seoul in May 2000
Global Environmental Research Center, Korea Institute of Science and Technology, PO Box 131, Cheongryang, Seoul 130-650, Korea 1Department of Environmental Science and Engineering, Ewha Womans Univdersity, 11-1 Deahyundong, Seodaemungu, Seoul 120-750, Korea
Korean Journal of Chemical Engineering, May 2002, 19(3), 434-438(5), 10.1007/BF02697153
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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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