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KMID : 0895420070170020144
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Journal of Korean Society of Occupational and Enviromental Hygiene
2007 Volume.17 No. 2 p.144 ~ p.152
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Biological monitoring of miners exposed to diesel exhaust using urinary 1-hydroxypyrene
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Lee Jong-Seong
Choi Byung-Soon
Shin Jae-Hoon
Shin Yong-Chul
Kim Ki-Woong
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Abstract
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Diesel vehicles are a significant source of fine carbon particle emissions including polynuclear aromatic hydrocarbons (PAHs). Urinary 1-hydroxypyrene (1-OHP) is firmly established as a useful biomarker of PAHs uptake in human. To investigate the exposure effect of PAHs in miners according to using diesel truck which was for transportation of ore, we measured urinary 1-OHP as the PAHs exposure biomarker, and analyzed the relationship between urinary 1-OHP concentration and using diesel truck. The study was performed on 118 workers (56 miners in factories using diesel truck, 62 miners in factories non-using diesel truck) and 21 controls. Urine samples were obtained at the end of shift on the survey day. There was no significance in comparison with the mean concentrations on urinary 1-OHP by age, BMI, work duration, smoking, drinking and ventilation type. But significant difference were found among urinary 1-OHP concentrations on factories according to using diesel truck (p=0.000). The urinary 1-OHP mean concentration on underground miners using diesel truck (0.54 μ mol/mol creatinine) was higher than those of surface miners using diesel truck (0.33 μmol/mol creatinine, p=0.028), underground miners non-using diesel truck (0.32 μmol/mol l creatinine, p=0.001) and controls (0.22 μmol/mol creatinine, p=0.000). In comparison with using status diesel truck, the urinary 1-OHP mean concentration of underground miners using diesel trucks was higher than those of other mine status. The study results would be beneficial to future environmental and biological studies of PAHs exposure to diesel exhaust in mines.
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KEYWORD
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Diesel exhaust, 1-Hydroxypyrene, Mine, Polynuclear Aromatic Hydrocarbons
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