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Trends of Volitile Organic Compounds in the Ambient Air of Yeosu Industrial Complex  

Jeon, Jun-Min (Dept. of Environmental Engineering, Suncheon First College)
Hur, Dang (Dept. of Environmental Engineering, Suncheon First College)
Kim, Dong-Sul (Air Pollution Lab., School of Environment & Applied Chemistry, Kyung Hee University)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.19, no.6, 2003 , pp. 663-677 More about this Journal
Abstract
The concentrations of volatile organic compounds (VOCs) in the ambient air were measured at three sites (Samil-dong, SRO and EFMC) in Yeosu industrial complex during September 2000 to August 2001. Air samples were collected for 24 hours in Silicocan canister (6l) with constant flow samplers every 6 days and analyzed using a cryogenic preconcentration system and a GC/MS. At each site, we identified 35 species known as on both the carcinogenic and mutagenicity by the EPA US (TO-14 manual). No relationship was found between YOCs concentration at three sampling points. Furthermore, the result shows that there appears to be a variety distribution of the concentration. BTX, vinyl chloride and high concentrations of 1,2-dichloroethane were observed at the sampling sites. Especially, high concentration of toxic VOCs, such as vinyl chloride, chloroform, 1,2-dichloroethane and benzene were shown at environmental facilities management cooperation (EMFC) site. They seem to be emitted from the facility of wastewater treatment in Yeosu industrial complex. It was difficult to tell the seasonal variation of total VOCs concentration. Nevertheless, the concentration in winter was typically higher than in summer The concentrations of toxic VOCs contents in Yeosu industrial complex were generally lower than those in Ulsan complex, although those were similar or less than in Seoul and Daegu. Whereas, toluene and styrene emitted from Yeosu industrial complex were higher than those of Edmonton industrial complex in Canada. Especially, toluene was third times higher than those observed from Texas, USA.
Keywords
VOCs; Canister; GC-MSD; $O_3$ precursor; Yeosu industrial area;
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