Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Evaluation of lead concentration on the surface of children's playing equipments using a field portable x-ray fluorescence (FPXRF)

FPXRF를 이용한 어린이 놀이시설의 페인트 표면 납 농도 평가

  • Kim, Nam-Soo (Institute of Environmental and Occupational Medicine, Soonchunhyang University) ;
  • Choi, Seung-Hyun (Institute of Environmental and Occupational Medicine, Soonchunhyang University) ;
  • Cho, Kwang-Sung (Institute of Environmental and Occupational Medicine, Soonchunhyang University) ;
  • Kim, Jin-Ho (Institute of Environmental and Occupational Medicine, Soonchunhyang University) ;
  • Ham, Jung-O (Department of Occupational Medicine, Soonchunhyang University Hospital) ;
  • Ahn, Kyu-Dong (Institute of Environmental and Occupational Medicine, Soonchunhyang University) ;
  • Lee, Byung-Kook (Institute of Environmental and Occupational Medicine, Soonchunhyang University)
  • 김남수 (순천향대학교 환경산업의학연구소) ;
  • 최승현 (순천향대학교 환경산업의학연구소) ;
  • 조광성 (순천향대학교 환경산업의학연구소) ;
  • 김진호 (순천향대학교 환경산업의학연구소) ;
  • 함정오 (순천향대학교천안병원 산업의학과) ;
  • 안규동 (순천향대학교 환경산업의학연구소) ;
  • 이병국 (순천향대학교 환경산업의학연구소)
  • Received : 2007.10.30
  • Accepted : 2008.06.17
  • Published : 2008.06.30
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Abstract

In order to evaluate the possible environmental lead hazard in children's playground and to test the practicability of field portable x-ray fluorescence(FPXRF) for environmental lead measurement, authors investigated lead concentration of lead-based paint on the surface of children's playing equipments in the playground of 13 apartments using FPXRF at the site in city A, Choongnam province. 93 spots were determined surface lead concentrations 3 times each using a FPXRF. Out of 93 spots, 83 spots (92%) were revealed to have lead in paint and mean concentration was $1.12{\pm}1.76mg/cm^2$. The mean concentration of lead on the surface of playing equipments at the apartments near the main street was $1.20mg/cm^2$ and higher than those at the apartments far away from the main street($0.81mg/cm^2$)(p<0.05). The mean concentration of lead on the surface of playing equipments painted with yellow color was $3.23mg/cm^2$ and the highest among all colors, whereas equipment painted white color was non-detectable. PVC and etc materials for construction of playing equipment showed higher surface lead concentration than other materials. The result suggests that it is necessary to be taken caution of the lead exposure in the playground of apartment and it should be taken any kind of confirmative action to prevent unwanted lead exposure from surface lead source of playing equipment. Authors found that FPXRF was very reliable and useful for field measurement to detect lead on the painted surface.

Keywords

References

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