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HOME > Korean J Prev Med > Volume 23(1); 1990 > Article
Original Article Atmospheric concentration and mutagenicity of organic pollutants of suspended particulate in Seoul.
Dong Chun Shin, Yong Chung, Young Hahn Moon, Jae Hoon Roh
Journal of Preventive Medicine and Public Health 1990;23(1):43-56
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Department of Preventive Medicine, Yonsei University College of Medicine, Korea.

To evaluate the difference of concentration and mutagenicity of organic pollutants between residential and traffic area of Seoul, air samples were collected in Bulkwang (residential) and Shinchon (traffic) area. Samples were analyzed to measure the concentration of extractable organic matters (EOM) and their subfractions and mutagenicites were tested using Salmonella typhimurium TA 98. The concentrations of polycyclic aromatic hydrocarbons (PAHs) were also measured by gas-chromatography and compared between two areas. The results were as follows ; 1. While the concentration of total suspended particulate (TSP) in residental area was below the environmental standard in annual average, the concentration in traffic area was above the standard and was up to its maximum 256 microgram/m3 in November. The difference of TSP concentrations in both areas of each month was statistically significant (P<0.05). 2. The concentration of fine particle in traffic area was significantly higher compare to that in residential area and showed statistically significant monthly difference in both areas (P<0.05). The proportion of concentration of fine particle to TSP was 55-68%. 3. Mean concentrations of EOM in residential and traffic areas were 4.3 microgram/m3 and 5.3 microgram/m3 respectively. The proportion of amount of EOM from fine particle to EOM from TSP was 70-88%. 4. While the percentage of polar neutral organic compounds (POCN) of fine particle in Bulkwang's sample was higher compare to Shinchon's sample, the percentage of aliphatic compounds of fine particle in Shinchon's sample was higher compare to Bulkwang's sample. The percentages of PAH fraction were as low as 6-10% in both areas. 5. The mutagenic activity of unit concentration of organic matters extracted from fine particle was higher compare to that of coarse particle and was increased when metabolically activated with S9. Mutagenicities with metabolic activation calculated by unit air volume were significantly different between residential and traffic area, 17 revertants/m3 and 22 revertants/m3 respectively. 6. The concentrations of benzo(a)pyrene in fine particle of traffic and residential areas were 3.10 microgram/m3 and 2.02 microgram/m3 respectively. Sixteen PAHs were higher in samples of traffic area compare to residential area and also concentrations of PAHs in fine particle were higher compare to coarse particle.

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JPMPH : Journal of Preventive Medicine and Public Health