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디메틸포름아미드 취급 사업장의 작업환경 및 보건관리 실태와 노출요인 조사
허수종 ( Soo Jong Hur ),서춘희 ( Chun Hui Suh ),이채관 ( Chae Kwan Lee ),김정호 ( Jeong Ho Kim ),김대환 ( Dae Hwan Kim ),손병철 ( Byung Chul Son ),이창희 ( Chang Hee Lee ),장구락 ( Goo Rak Chang ),이종태 ( Jong Tae Lee ) 한국산업위생학회 2010 한국산업보건학회지 Vol.20 No.4
This study was aimed to assess the status of working environment, health care management status and cause of exposure in manufactories using dimethylformamide (DMF). For the purpose, airborne concentration of DMF in the workplaces and N-methylformamide (NMF) in worker`s urine were measured with job type and process. In addition, management of local exhaust ventilation system (LEV) and personal protective equipment (PPE) was evaluated at 35 work places (107 workers) located in Busan and Gimhae area. Mean DMF concentrations in work places by job type and process were of high level measured in printing and record media reproduction (5.23ppm) and flaking process (2.48ppm). Workers in adhesive job were measured a large amount of urine NMF (21.59mg/ℓ). 98.1% of DMF handling workers were provided respirators, but 67.3% of those workers used them. The main reasons for not using respirators were inconvenience and difficulty of breathing. Airborne concentrations of DMF were higher in the workplaces in which LEVs were working abnormally, but there was not statistically significant. In addition, the urine NMF levels were correlated with management of LEV within the workers who did not use the respirators (p<0.048). These results implied that LEV should be installed and maintained properly to protect the workers from the exposure to DMF. Management of PPE should be also necessary to protect the workers from chemical hazards.