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Biological Monitoring of Benzene in Residents Living near Petrochemical Industrial Areas in Korea.

 Yoonho Choi  ;  Dongchun Shin  ;  Seong Park 
 Journal of Occupational Health, Vol.42(1) : 31-37, 2001 
Journal Title
 Journal of Occupational Health 
Issue Date
Residents who live near petrochemical industrial areas risk exposure to a variety of petrochemicals, including benzene and benzene-containing liquids. It is a serious concern because benzene is a human carcinogen naturally present in petroleum and gasoline. The aim of this study was to assess the exposure to benzene, measured by personal/indoor/outdoor air sampling, and to estimate the relationship between the air samples and biological monitoring data. Through biological monitoring, we investigated s-phenylmercapturic acid(s-PMA), minor urinary metabolites of benzene, and benzene in blood. The external benezene exposure of 115 subjects was measured with passive dosimeters and urinary s-PMA and blood-benzene were determined by GC/MS. The mean concentration of benzene in the breathing zone or residents was 6.3 μg/m^3, slightly higher than indoor or outdoor concentrations. Personal, indoor and outdoor concentrations of benzene were significantly correlated to each other. s-PMA was affected by personal exposure(p<0.05)and was differed according to aqe(p<0.01)and residence time(p<0.05). Blood benzene was not affected by external benzene during these periods.
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실)
Yonsei Authors
정용(Chung, Yong)
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