Exposure Assessment on Volatile Organic Compounds (VOCs) for Tollway Station Workers via Direct and Indirect Approaches

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概要

• 論文の詳細を見る

• The present study was set out to assess the exposure levels of volatile organic compounds (VOCs) for tollway station workers via direct and indirect approaches. For direct approach, personal samplings were conducted on 25, 30 and 31 booth attendants of a tollway station during the dayshift (08:00 AM-16:00PM), nightshift (16:00 PM-24:00 AM), and late-nightshift (24:00 AM-08:00 AM), respectively. For each collected sample, five target VOCs including benzene, toluene, xylene, ethylbenzene and methyl tertiary-butyl ether (MTBE) were analyzed. Results show that at least four of the exposure profiles of the five target VOCs for the booth attendants on any given workshift were log-normally distributed. The above results suggest that the booth attendants on any given workshift can be regarded as a similar exposure group (SEG). The exposure levels for both the dayshift and the nightshift booth attendants were quite similar, but were significantly higher than those for the late-nightshift booth attendants. A similar tend was found in the vehicle flow rates. The above results indicate that the difference in VOC exposure levels for the booth attendants on the three workshifts could be due to the intrinsic difference in the vehicle flow rates. After conducting linear regression analyses, we found that the vehicle flowrates were able to explain the variation in VOC exposure levels up to 40%-52%. It is concluded that the vehicle flow rates can be used as an indirect indicator for predicting the booth attendants' VOC exposure levels.

• 社団法人日本産業衛生学会の論文

著者

• Tsai P‐j

  Department Of Environmental And Occupational Health Medical College National Cheng Kung University

• Tsai Perng-jy

  Department Of Environmental And Occupational Health Medical College National Cheng Kung University:s

• Tsai Perng-jy

  Department Of Environmental And Occupational Health College Of Medicine National Cheng Kung Universi

• Shih Tung-sheng

  Graduate Inst. Of Environmental Health Coll. Of Public Health China Medical Univ. And Hospital

• LIOU Saou-Hsing

  Department of Public Health, National Defense Medical Center

• SHIH Tung-Sheng

  Institute of Occupational Safety and Health, Council of Labor Affairs and China Medical University a

• LEE Ching-Chang

  Department of Occupational and Environmental Health, National Cheng Kung University Medical College

• Shih T‐s

  Institute Of Occupational Safety And Health Council Of Labor Affairs:graduate School Of Environmenta

• Shih Tung-sheng

  Institute Of Occupational Safety And Health Council Of Labor Affairs

• CHEN Mei-Ru

  Department of Environmental and Occupational Health, Medical College, National Cheng Kung University

• LAI Ching-Huang

  Department of Public Health, National Defense Medical Center

• Liou Saou-hsing

  Department Of Public Health National Defense Medical Center

• Shih Tung-shen

  Division Of Method Development And Analysis Institute Of Occupational Safety And Health

• Chen Mei-ru

  Department Of Environmental And Occupational Health Medical College National Cheng Kung University

• Lee Ching-chang

  Department Of Environmental And Occupational Health Medical College National Cheng Kung University

• Lai Ching-huang

  Department Of Public Health National Defense Medical Center

• Shin Tung-Sheng

  Institute of Occupational Safety and Health, Council of Labor Affairs:Graduate School of Environmental Health, China Medical University

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