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http://dx.doi.org/10.15269/JKSOEH.2015.25.4.584

Exposure Assessment of Airborne Quartz from Earthwork Sites  

Sung, Eun Chang (Institute for Industrial Health, Daegu Haany University)
Bae, Hye Jeong (Institute for Industrial Health, Daegu Haany University)
Jung, Jong-Hyoen (Faculty of Health Science, Daegu Haany University)
Phee, Young Gyu (Faculty of Health Science, Daegu Haany University)
Publication Information
Journal of Korean Society of Occupational and Environmental Hygiene / v.25, no.4, 2015 , pp. 584-590 More about this Journal
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.
Keywords
concentration; earthwork; quartz;
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Times Cited By KSCI : 3  (Citation Analysis)
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