Estimating Benzene Exposure Level over Time and by Industry Type through a Review of Literature on Korea

Park, Donguk; Choi, Sangjun; Ha, Kwonchul; Jung, Hyejung; Yoon, Chungsik; Koh, Dong-Hee; Ryu, Seunghun; Kim, Soogeun; Kang, Dongmug; Yoo, Kyemook

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자료유형: 학술저널

저자정보: Park, Donguk (Department of Environmental Health, Korea National Open University) Choi, Sangjun (Department of Occupational Health, Catholic University of Daegu) Ha, Kwonchul (Department of Biochemistry and Health Science, Changwon National University) Jung, Hyejung (Department of Occupational and Environmental Medicine, Catholic Kwandong University, International St. Mary's Hospital) Yoon, Chungsik (Department of Environmental Health, School of Public Health, Seoul National University) Koh, Dong-Hee (Department of Occupational and Environmental Medicine, Catholic Kwandong University, International St. Mary's Hospital) Ryu, Seunghun (Graduate School of Public Health, Korea University) Kim, Soogeun (Department of Occupational Medicine, Sungkyunkwan University, School of Medicine, Kangbuk Samsung Hospital) Kang, Dongmug (Department of Preventive and Occupational Medicine, Pusan National University School of Medicine) Yoo, Kyemook (Department of Work Environment, Occupational Safety and Health Research Institute, Korea Occupational Safety and Health Agency)

저널정보: 산업안전보건연구원 Safety and health at work : SH@W Safety and health at work : SH@W 제6권 제3호

발행연도: 2015.1

수록면: 174 - 183 (10page)

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The major purpose of this study is to construct a retrospective exposure assessment for benzene through a review of literature on Korea. Airborne benzene measurements reported in 34 articles were reviewed. A total of 15,729 individual measurements were compiled. Weighted arithmetic means [AM(w)] and their variance calculated across studies were summarized according to 5-year period intervals (prior to the 1970s through the 2010s) and industry type. Industries were classified according to Korea Standard Industrial Classification (KSIC) using information provided in the literature. We estimated quantitative retrospective exposure to benzene for each cell in the matrix through a combination of time and KSIC. Analysis of the AM(w) indicated reductions in exposure levels over time, regardless of industry, with mean levels prior to the 1980-1984 period of 50.4 ppm (n = 2,289), which dropped to 2.8 ppm (n = 305) in the 1990-1994 period, and to 0.1 ppm (n = 294) in the 1995-1999 period. There has been no improvement since the 2000s, when the AM(w) of 4.3 ppm (n = 6,211) for the 2005-2009 period and 4.5 ppm (n = 3,358) for the 2010-2013 period were estimated. A comparison by industry found no consistent patterns in the measurement results. Our estimated benzene measurements can be used to determine not only the possibility of retrospective exposure to benzene, but also to estimate the level of quantitative or semiquantitative retrospective exposure to benzene.

#benzene #exposure estimation #retrospective exposure assessment

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