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

Korean Industrial Hygiene Association (한국산업보건학회)
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A Study on the Status of Working Environment by Type of Working Processes in Manufacturing Industry of Parts and Accessories for Motor Vehicles and its Engines

경주지역 자동차 부품 제조업의 공정별 작업환경실태에 관한 연구

  • Park, Sung-Jun (Department of Health Promotion, Dongguk University Gyeongju Hospital) ;
  • Lee, Won-Ho (Department of Health Promotion, Dongguk University Pohang Hospital) ;
  • Lee, Kwan (Department of Occupational and Environmental Medicine, Dongguk University Gyeongju Hospital) ;
  • Moon, Deog-Hwan (Department of Industrial Medicine, Inje University Paik Hospital)
  • 박성준 (동국대학교 경주병원 건강관리과) ;
  • 이원호 (동국대학교 포항병원 건강관리과) ;
  • 이관 (동국대학교 경주병원 산업의학과) ;
  • 문덕환 (인제대학교 백병원 산업의학과)
  • Received : 2004.10.27
  • Accepted : 2005.06.23
  • Published : 2005.08.26
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Abstract

Objective: This study was carried out to assess the status of working environments, to improve the working environments, and to be helpful to prevent occupational disease. Methods: The authors measured the noise level, concentration of dust, heavy metals, organic solvents, and other chemicals at 95 industries (22 working processes) by type of working process in manufacturing industry of parts and accessories for motor vehicles and its engines from January to December 2003. Samples were measured and analyzed by regulations of Korea Ministry of Labor, manuals of National Institute for Occupational Safety and Health (NIOSH) and Occupational Safety and Health Administration (OSHA). Results: Results are as follows. 1. Major processes exceeding mean noise levels provided the American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV) were shakeout [97.5 dB(A)]. shot-blast [94.2 dB(A)], pressing [92.9 dB(A)], crushing [91.2 dB(A)], and cleaning [90.6 dB(A)]. 2. Mean concentrations of dusts were not exceeded to the TLV. But concentration on some points of processes as like welding (6.50 mg/m3), foundry (5.24 mg/m3) were exceeded. 3. Mean concentrations of heavy metals were not exceeded to the TLV. 4. Mean concentrations of organic solvents and chemicals were not exceeded to the TLV. 5. Improving rate for working environment were significantly higher in industries with health manager than without (p<0.05), and by increasing the year of working environmental measurement (p<0.01). Conclusions: The results suggest that working processes of exceeding to the TLV will be needed rapid improvement of the working environment, and also the others will be needed positive management of the working environment. Health managers must be recommended to employ in the workplace, and further studies for relationship between working environment and health effects for the workers must be carried out.

Keywords

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