지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 462 - 470 (9page)
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Objectives: The purpose of this study was to evaluate quartz concentrations in airborne respirable dust and particle size-related quartz concentrations. Methods: Respirable dust samples were collected using a 10 mm Dorr-Oliver nylon cyclone equipped with a 37 mm, $5{\mu}m$ pore size PVC filter. Dust samples were collected with a Marple's personal cascade impactor from stone grinding operations in five stone-related business located in the Gyeongsangbuk-do area. Results: The geometric mean of quartz concentration in the respirable dust was $0.170mg/m^3$, and the rate of exceeding the Korean Occupational Exposure Limit(KOEL) was 93.3%. The quartz concentration by particle size shows that it was the highest($0.115mg/m^3$) in stage 5($3.50-6.00{\mu}m$), which corresponds with the size of respirable particle. The smaller the particle sizes were, the higher quartz the content became. The mass fractions of inhalable, thoracic, and respirable dust were 72.1%, 36.0%, and 14.4%. Conclusions: The rate of the quartz concentration in respirable dust from stone grinding operations exceeding the American Conference of Governmental Industrial Hygienists Threshold Limit Values was 100%, which means proper work environmental management is required through regular working environmental measurements. Given that the stone grinding operations had a higher small size dust concentrations, there is a need to reduce respirable dust, such as through wet operation and local exhaust ventilation.
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참고문헌 (42)
참고문헌 신청
American Conference of Governmental Industrial hygienist(ACGIH) / 2013 / Threshold limit values for chemical substances and physical agents and biological exposure Indices
Attfield MD / 2004 / Quantitative exposure-response for silica dust and lung cancer in Vermont granite workers / Am J Ind Med 45(2):129~138
Bello D / 2002 / Quantification of respirable, thoracic, and inhalable quartz exposure by FT-IR in personal impactor samples from construction sites / Appl Occup Environ Hyg 17(8):580~590
Benjamin GS / 2002 / Fundamentals of Industrial Hygiene / National Safety Council :47
Choi HC / 1988 / Quantitative analysis of quartz, mica, and feldspar in Respirable coal mine dust in taebaek area by fourier transform infrared spectrophotometry / J Prev Med Public Health 21(2):271~283
Attfield MD / 2004 / Quantitative exposure-response for silica dust and lung cancer in Vermont granite workers / Am J Ind Med 45(2):129~138
Bello D / 2002 / Quantification of respirable, thoracic, and inhalable quartz exposure by FT-IR in personal impactor samples from construction sites / Appl Occup Environ Hyg 17(8):580~590
Benjamin GS / 2002 / Fundamentals of Industrial Hygiene / National Safety Council :47
Choi HC / 1988 / Quantitative analysis of quartz, mica, and feldspar in Respirable coal mine dust in taebaek area by fourier transform infrared spectrophotometry / J Prev Med Public Health 21(2):271~283
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