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Study on the methods of risk assessment of human exposure by using of PVC flooring

PVC 바닥재 인체 노출에 따른 위해성 평가 연구

  • Kim, Woo Il (Resource Recirculation Research Division, National Institute of Environmental Research Environmental Research Complex) ;
  • Cho, Yoon A (Resource Recirculation Research Division, National Institute of Environmental Research Environmental Research Complex) ;
  • Kim, Min Sun (Resource Recirculation Research Division, National Institute of Environmental Research Environmental Research Complex) ;
  • Lee, Ji Youmg (Resource Recirculation Research Division, National Institute of Environmental Research Environmental Research Complex) ;
  • Kang, Young Yeul (Resource Recirculation Research Division, National Institute of Environmental Research Environmental Research Complex) ;
  • Shin, Sun Kyoung (Resource Recirculation Research Division, National Institute of Environmental Research Environmental Research Complex) ;
  • Jeong, Seong Kyoung (Resource Recirculation Research Division, National Institute of Environmental Research Environmental Research Complex) ;
  • Yeon, Jin Mo (Resource Recirculation Research Division, National Institute of Environmental Research Environmental Research Complex)
  • 김우일 (국립환경과학원 자원순환연구과) ;
  • 조윤아 (국립환경과학원 자원순환연구과) ;
  • 김민선 (국립환경과학원 자원순환연구과) ;
  • 이지영 (국립환경과학원 자원순환연구과) ;
  • 강영렬 (국립환경과학원 자원순환연구과) ;
  • 신선경 (국립환경과학원 자원순환연구과) ;
  • 정성경 (국립환경과학원 자원순환연구과) ;
  • 연진모 (국립환경과학원 자원순환연구과)
  • Received : 2013.11.08
  • Accepted : 2014.09.01
  • Published : 2014.10.25

Abstract

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.

Keywords

scenario;exposure model;PVC flooring;human health

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