Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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A Study on exposure-Worker to Formaldehyde in the Endoscopy Unit of Hospitals

일부 종합병원 내시경실 근무자의 포름알데히드 노출에 관한 연구

  • Kim, Jeong Hun (Graduate School of Public Health, The Catholic University of Korea) ;
  • Kim, Dae-Jong (Dept. of Prev. Med, College of Med, The Catholic University of Korea) ;
  • Kim, Hyunwook (Dept. of Prev. Med, College of Med, The Catholic University of Korea)
  • 김정훈 (가톨릭대학교 보건대학원) ;
  • 김대종 (가톨릭대학교 의과대학 예방의학교실) ;
  • 김현욱 (가톨릭대학교 의과대학 예방의학교실)
  • Received : 2008.06.23
  • Accepted : 2009.07.28
  • Published : 2009.09.30
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Abstract

To identify relationship between the airborne concentrations of formaldehyde and the causal factors in the endoscope unit of hospitals, a total of 48 workers selected from 4 hospitals (3 university hospitals and 1 national hospital) were investigated. Airborne formaldehyde samples were collected using passive samplers and subsequently analyzed by HPLC according to the OSHA method 1007. The geometric mean(GM) of airborne formaldehyde concentrations was 0.056 ppm (range: 0.003~0.923 ppm). The rates of exceeding exposure limits of OSHA PEL-TWA and NIOSH REL-TWA were 4.2 % and 83.3%, respectively. The STEL GM concentration was 1.428 ppm(range: 0.103~14.773 ppm). Ventilation condition (p=0.001) and temperature (p=0.017) were statistically significant causal factors for the airborne exposure concentration of formaldehyde in the endoscope unit of hospitals. In conclusion, the workers in the endoscope unit of hospitals were highly exposed to formaldehyde, and adequate controls such as appropriate management of ventilation and temperature are recommended to reduce over exposure to formaldehyde.

Keywords

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