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Source Estimation and Concentration Levels of PCBs in Ambient Air of an Industrial Area  

Kim, Kyoung-Soo (Center for Chemical Safety Management, Chonbuk National University)
Song, Byung-Joo (Department of Environmental Engineering, Chonbuk National University)
Park, Seok-Un (Department of Environmental Engineering, Chonbuk National University)
Kim, Jong-Guk (Research Institute of Industrial Technology, Chonbuk National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.27, no.4, 2005 , pp. 385-389 More about this Journal
Abstract
To understand the pollution level by polychlorinated biphenyls (PCBs) in ambient air of industrial area, PCBs concentrations were measured at Sihwa and Banwol industrial region, Korea. The concentrations of total PCB and WHO-TEQ ranged from 2,080 to $5820\;pg/m^3$ (median value is 2,760) and from 0.19 to $1.01\;pgTEQ/m^3$ (median value is 0.42), respectively. In terms of homologues composition the fraction of highly chlorinated biphenyls(from hexa-CB to deca-CB) were higher than the air samples of other regions such as jeonju and yokohama area. The cluster analysis was conducted to study the relation between the air samples and sources such as incinerator flue gases and Aroclor samples. The isomer fractions in the homologue were used as input variables. Based on the results, the industrial ambient air samples were divided from source samples with long Euclidian distance. This suggest that the ambient air samples of Sihwa and Banwol were not on the influence of Aroclor and incinerators. Therefore, further investigation on systematical air monitoring will be required to estimate the sources of PCBs in the above industrial areas.
Keywords
PCBs; Ambient Air; Aroclor; Flue Gases; Cluster analysis;
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