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KMID : 0338420080230030111
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The Korean Journal of Internal Medicine
2008 Volume.23 No. 3 p.111 ~ p.115
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Benzene and toluene concentrations in a hemodialysis room in a medium sized South Korean city
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Kang Moon-Soo
Hong Joong-Rock
Gil Hyo-Wook
Yang Jong-Oh
Lee Eun-Young
Hong Sae-Yong
Jun Yong-Taek
Son Bu-Soon
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Abstract
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Background/Aims: The current study was designed to determine whether the indoor air pollution in a hemodialysis room (HD) was different from that of other comparable areas in a hospital.
Methods: Five air monitor samplers were hung on the ceiling and placed on the table in both the HD and general ward nursing stations, respectively. In addition, five samplers were placed in the nurse’s breathing zone of the HD and the general ward, respectively. Ten air monitor samplers were also placed on the edge of the bed in the HD, which represented the patient’s breathing zone. The levels of benzene and toluene were analyzed by GC/MS.
Results: In the general ward, the toluene concentration was significantly higher in the nurse breathing zone than that for the ceiling or table samples (p=0.001). The benzene concentration was also significantly higher in the general ward nurse breathing zone than that in the HD (p=0.006). In addition, the benzene concentrations on the table were higher at the general ward as compared to the HD (p=0.028), but there was no significant difference between the ceiling, general ward station and HD.
Conclusions: Both the benzene and toluene concentrations in the HD appear to be more affected by the outdoor atmospheric conditions than by any potential indoor internal sources.
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KEYWORD
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Benzene, Toluene, Hemodialysis
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