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KMID : 0385520140270050261
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Analytical Science & Technology
2014 Volume.27 No. 5 p.261 ~ p.268
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Study on the methods of risk assessment of human exposure by using of PVC flooring
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Kim Woo-Il
Cho Yoon-A
Kim Min-Sun
Lee Ji-Young
Kang Young-Yeul
Shin Sun-Kyoung
Jeong Seong-Kyeong
Yeon Jin-Mo
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Abstract
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In advanced countries, a variety of consumer exposure assessment models including CONSEXPO, are developed to manage risks of consumer products containing hazardous materials. The models are used to assess the risks of exposure to hazardous chemicals in consumer products, which serves as a foundation for regulation standards. In this study, exposure assessment models applicable for various scenarios were reviewed and a proper model was applied for the selected products and risk assessment was conducted at each stage to establish a risk assessment procedure for different types of products. Based on the exposure scenario, exposure factor was selected and according to the algorithm produced based on CONSEXPO exposure model, some level of phthalates were detected from some types of PVC flooring. However, a correlation between phthalate content and migration rate showed r-square 0.0065, little correlation, which is inadequate for estimating standard value. For this reason, it seems valid that the current standard be in place. Additionally, any new standard was not suggested as VOCs were not found harmful to human health, allowing the existing standard to be continuously applied. No migration rate was found for heavy metals and risk assessment was not performed accordingly. In this aspect, it is presumed that hazards to health through dermal exposure would be very little.
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KEYWORD
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scenario, exposure model, PVC flooring, human health,
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