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

Korean Industrial Hygiene Association (한국산업보건학회)
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A Study on the Necessity in Establishment of STEL of Dimethylformamide (DMF) - on the focus of the exposure in synthetic leather factories -

디메틸포름아미드(DMF)에 대한 단시간 노출기준 설정의 필요성에 관한 연구 -합성피혁사업장 중심으로-

  • Lee, Sun Woo (Department of Environmental Engineering, Changwon National University) ;
  • Kim, Tae Hyeung (Department of Environmental Engineering, Changwon National University) ;
  • Kim, Jung Man (Department of Preventive Medicine, Dong-A University)
  • Received : 2008.01.17
  • Accepted : 2008.03.24
  • Published : 2008.03.31
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Abstract

This study was carried out to investigate the correlation of urinary NMF concentration in workers exposed to DMF and concentration of DMF in the workplace. Samples were collected in workers exposed to high dose solvent in the synthetic leather factory by using silicagel tubes for 5-15 minutes, and were analyzed by GC. Geometric mean concentrations of DMF in the workplaces were 4.67 ppm in normal operation and 63.95 ppm in high exposure operation. The concentration of case uppers and machine cleaning process were more than 100 ppm in short time. The correlation of urinary NMF in workers and DMF in workplace was statistically significant in normal operation and high exposure operation. Correlation coefficient are 0.215(p<0.05) and 0.263(p<0.05). The result implied that STEL of DMF should be established in normal operation processes as well as high exposure operation processes.

Keywords

References

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