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KMID : 0895420000100020053
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Journal of Korean Society of Occupational and Enviromental Hygiene
2000 Volume.10 No. 2 p.53 ~ p.67
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A Study on exposure assessment of Coke - Oven Workers to Coke Oven Emissions and Polynuclear Aromatic Hydrocarbons
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이동환/Lee, Dong Hwan
최정근/권은혜/이용학/오정룡/Choi, Jung Keun/Kwon, Eun Hye/Lee, Yong Hag/Oh, Jung Ryong
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Abstract
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Coke-oven workers are regularly exposed to cake oven emissions(COE), which consist primarily of polynuclear aromatic hydrocarbons (PAH) and volatile organic components. This study assessed the exposure of coke-oven workers to COE and PAH. The results of this study are as follows.
1. Among the 136 samples on cake-oven workers 33.1% exceeded the occupational exposure limit to the Coal Tar Pitch Volatiles(0.2 ㎎l㎥) established by the Korean Ministry of Labor and American Conference of Governmental Industrial Hygienists(ACGIH).
2. The cake-oven workers were classified into twelve job categories and there was statistically significant difference among the airborne concentrations of COE and PAH in twelve job categories(p$lt;0.001).
3. There was na significant difference of the airborne concentrations of COE between NIOSH method and OSHA method applied.
4. There was a significant correlation between the airborne concentrations of total PAH and COE(r=0.733, P$lt;0,01).
5. The percentage of naphthalene in total PAH was 55.9% and the highest among those of 16 PAHs. There was a significant correlation between the airborne concentrations of naphthalene and total PAH(r=0.90, p$lt;0.01) and this study recommends naphthalene as the index component of PAH.
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