Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Development and Validation of Crocidolite Quality Control Samples for Proficiency Analytical Testing

청석면 분석 정도관리용 표준시료 개발 및 평가

  • Lee, Ji-Hyun (Department of Environmental Health, Yongin University) ;
  • Kim, Eun-Young (Department of Environmental Health, Yongin University) ;
  • Noh, Su-Jin (Department of Environmental Health, Yongin University) ;
  • Park, Yong-Jin (Department of Environmental Health, Yongin University) ;
  • Jeong, Jee-Yeon (Department of Environmental Health, Yongin University)
  • 이지현 (용인대학교 환경보건학과) ;
  • 김은영 (용인대학교 환경보건학과) ;
  • 노수진 (용인대학교 환경보건학과) ;
  • 박용진 (용인대학교 환경보건학과) ;
  • 정지연 (용인대학교 환경보건학과)
  • Received : 2011.01.12
  • Accepted : 2011.02.14
  • Published : 2011.02.28
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Abstract

Crocidolite quality control (QC) sampling created by the wet generation method has been validated by validation tests such as the accuracy, precision, and storage tests. For this study we designed and developed a manufacturing apparatus and standard operating procedure for making these QC samples. The most important step in the procedure of making QC samples was the stage eliminating static electricity in asbestos fibers. This static electricity hampers the fibers clog functioning. In accuracy and precision tests by phase contrast microscopy analysis, the difference between the reference values and the studied values was at maximum 17.8%. This satisfies the AIHA proficiency analytical test criteria for asbestos. We could confirm the nearly even distribution of crocidolite fibers on the membrane filter. Also, there was no loss of fibers in the storage test after the one month.

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References

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