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DOI: https://doi.org/10.4491/eer.2017.143
A periodic case study of diesel vehicle drivers exposed to diesel particulate matter in an underground coal mine
Sugil Lee1, Ganyk Jankewicz1, Jung-Hee Kim2, and Kwangbo Chung2
1Department of Public Health, The University of Adelaide, Adelaide, SA5031, Australia
2Department of Chemical Engineering, Hanseo University, Seosan 31962, Republic of Korea
Corresponding Author: Kwangbo Chung ,Tel: +82-41-660-1017 , Fax: +82-41-660-1024, Email: chemorg@hanseo.ac.kr
Received: October 12, 2017;  Accepted: February 14, 2018.
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This study was to measure the exposure of diesel vehicle drivers to elemental carbon (EC) as an indicator of diesel particulate matter (DPM) emitted from diesel vehicles in an underground coal mine over 3 years as per NIOSH Method 5040. Our study results (range 10 µg/m3 - 377 µg/m3 for the loader drivers, 19 µg/m3 - 162 µg/m3 for the SMV drivers) were similar or less than previous study results (range 5 µg/m3 - 2,200 µg/m3) for normal mine operations. From this study results, it appeared that the exposures decreased in the second and the third year. It is thought that the reasons for the decreased personal DPM (EC) exposures over the 3 years were related to the following recommendations; more frequent monitoring and maintenance of the diesel vehicles and their DPM filtration systems, more consistent monitoring of the mine’s ventilation system and changes of work practices such as minimizing the opening of diesel vehicle windows. An educational program on adverse health effects of exposure to DPM and use of respiratory protection (P2 respirators) also assisted in minimizing driver exposure to DPM.
Keywords: Diesel particulate matter | Elemental carbon | Underground coal mine
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