한국환경보건학회지 (Journal of Environmental Health Sciences)

  • 제32권1호
  • /
  • Pages.1-7
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  • 2006
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  • 1738-4087(pISSN)
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  • 2233-8616(eISSN)
한국환경보건학회 (Korean Society of Environmental Health)
권호 표지

유아교육시설의 표면 및 공기 중 납 농도 평가

Evaluation of Airborne and Surface Lead Concentrations in Preschool Classroom

  • 윤충식 (대구가톨릭대학교 산업보건학과) ;
  • 백도현 (서남대학교 보건환경학과)
  • Yoon, Chung-Sik (Department of Occupational Health, Catholic University of Daegu) ;
  • Paik, Do-Hyeon (Department of Environmental Health, Seonam University)
  • 발행 : 2006.02.01
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초록

This study was performed to investigate airborne lead concentration and surface lead contents in preschool facilities. Arithmetic mean of indoor lead concentration in urban area was $44.7\;ng/m^3$ (Geometric mean $32.1\;ng/m^3$) whereas outdoor concentration was $39.5\;ng/m^3$ (GM $22.8\;ng/m^3$). In rural area, airborne lead concentrations were $14.2\;ng/m^3\;(GM\;7.9 ng/m^3),\;12.6\;ng/m^3\;(GM\;5.6 ng/m^3)$, respectively. There is statistical significance of the lead concentrations among the locations of preschool facilities. About $37\%$ of qualitative lead check samples was positive and mainly was found in lead based paint. Though lead concentrations on the floor and window sill were well below the US EPA and HUD standard (floor $40\;{\mu}g/ft^2\;(4.3\;{\mu}g/100\;cm^2)$, window sill $250\;{\mu}g/ft^2\;(26.9\;{\mu}g/100\;cm^2)$, respectively), there were much samples which exceed the standard, i.e., $29\%$ of surface wall, $20\%$ of the desk and chair, $100\%$ of painted wood box of tested samples. In view of our study and hazard of lead to children, we recommended that the contents of lead in preschool facilities should be lowered as possible.

키워드

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