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

Korean Industrial Hygiene Association (한국산업보건학회)
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Exposure Assessment of Airborne Quartz from Earthwork Sites

토공사 현장에서 발생하는 공기 중 석영의 노출 평가

  • 성은창 (대구한의대학교 산업보건연구소) ;
  • 배혜정 (대구한의대학교 산업보건연구소) ;
  • 정종현 (대구한의대학교 보건학부) ;
  • 피영규 (대구한의대학교 보건학부)
  • Received : 2015.12.15
  • Accepted : 2015.12.23
  • Published : 2015.12.31
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Abstract

Objectives: The purpose of this study was to evaluate quartz concentrations in airborne total and respirable dusts. Materials: Respirable dust samples were collected using a 10 mm aluminum cyclone equipped with a 37 mm$5{\mu}m$ pore size PVC filter. Total dust samples were collected with a three stage cassette from three work sections at earthwork sites located in the South Chungcheong-do Province area. Results: The geometric means of quartz concentrations were $0.008mg/m^3$ and $0.004mg/m^3$ in total dust and respirable dust, respectively. The geometric means of quartz contents analyzed by FTIR were 3.74% in total dust and 3.16% in respirable dust. The geometric mean of quartz concentrations and contents in secondary blasting operations were higher than those in other operations. Conclusions: Given that secondary blasting operations had higher quartz concentrations, there is a need to reduce respirable dust, such as through wet operations.

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