석유계 솔벤트를 사용하는 세탁소 작업자의 노출평가

정지연; 이광용; 이병규; 이나루; 김봉년; 김광종

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자료유형: 학술저널

저자정보: 정지연 (한국산업안전공단 산업안전보건연구원) 이광용 (한국산업안전공단 산업안전보건연구원) 이병규 (한국산업안전공단 산업안전보건연구원) 이나루 (한국산업안전공단 산업안전보건연구원) 김봉년 (한국산업안전공단 산업안전보건연구원) 김광종 (한국산업안전공단 산업안전보건연구원)

저널정보: 한국산업보건학회 (구 한국산업위생학회) 한국산업보건학회지 한국산업보건학회지 제15권 제1호

발행연도: 2005.1

수록면: 19 - 26 (8page)

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In previous report, we presented that petroleum based solvents used in dry cleaning shop was almost similar to stoddard solvent defined by ACGIH and NIOSH, and the occupational exposure standard of stoddard solvent could be used in total exposure assessment of those solvents. The specific aim of the this study was to evaluate of the solvent exposure used in commercial dry cleaning shops by using occupational exposure standard of stoddard solvent. We conducted first survey of 8 self-employed dry cleaning shops and 5 factory type dry cleaning shops from July to August, and second survey of the same shops from October to November in 2002. The exposure concentration to the solvent during loading and unloading activity of vented dry cleaning machine was 489.2ppm(GM), 270.3ppm(GM), respectively, which was almost excursion limit(500ppm) of ACGIH, and exceed the ceiling limit(312ppm) of NIOSH. The time-weighted average (TWA) worker exposure to the solvent was 21.3ppm(GM) at self-employed shops, 20.7ppm(GM) at factory type shops on first survey, and 31.1ppm(GM), 33.7ppm(GM), respectively on second survey. The TWA exposure concentration of workers with spotting and cleaning machine operating job was 25.4ppm(GM), which was 2.9 times higher than the TWA exposure concentration, 8.8ppm(GM) of press workers. All TWA exposure concentrations was lower than OEL(100ppm) of stoddard solvent. We found that the most heavy exposure process at dry cleaning was loading, unloading process, and the vent of dry cleaning machine was the main emission source for workers exposure to petroleum based solvent.

#Dry cleaning shop #Petroleum based solvent #Exposure concentration

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