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KMID : 0371019970300030530
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Journal of Preventive Medicine and Public Health
1997 Volume.30 No. 3 p.530 ~ p.539
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Health Risk Assessment and Analysis on the Volatile Organic Compounds in Some Workplace
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Lee Hyo-Min
Kim Myung-Soo
Choi Shi-Nai
Yoon Eun-Kyung
Park Jong-Sei
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Abstract
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This study was conducted to assess the health risk on the volatile organic compounds such as toluene, xylene, and styrene in painting workplace. It was monitored through personal air sampling during working time in selected 5 workplaces and analysed using gas chromatography. For the settlement of exposure situation, there were regarded working conditions such as working hours, yearly working days, and working years. Also, Monte-Carlo simulation was used for the induction of hazard index using toxicity value from IRIS(Integrated risk information system) database. The results of risk assessment were summarized as follows :
1. The air concentration of toluene was 7.096 15.644 ppm, 2.586 4.276 ppm for xylene, 1.9145.320 ppm for styrene in blast painting workplaces. ,The level of toluene was different significantly compared with the level of xylene and styrene.
2. Computated chronic daily intake values of 95th percentile on toluene, xylene and styrene treated by Monte-Carlo simulation were 9.616, 3.567, 2.78´2 mg/kg/day, respectively.
3. Computated hazard index values of 75th percentile on toluene, xylene and styrene treated by Monte-Carlo simulation were 3.5, 1.0 and 1.6, respectivel´y.
Adverse health effects on the toluene, xylene and styrene would be expected by working exposure in selected 5 workplaces since the hazard indices of three compounds were exceeded 1 in the surroundings of 75th percentile though, having the low emerged frequency.
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KEYWORD
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Health risk, Monte-Carlo simulation, Chronic daily intake, Hazard index
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