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KMID : 0895420050150020090
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Journal of Korean Society of Occupational and Enviromental Hygiene
2005 Volume.15 No. 2 p.90 ~ p.103
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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
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Park Sung-Jun
Lee Won-Ho
Moon Deog-Hwan
Lee Kwan
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Abstract
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Objective: This study was carried out to assess the status of workirig environments, to improve the working
environrnerlts, and to be helpful to prevent occupational disease.
Methods: The authors measured the noise level, concentration of dust, heavy metals, organic solvents, arid
olher chemicals at 95 industries (22 working processes) by type of working process iri manl~facturirig industry of
parts and accessories for motor vehicles and its engines from January to December 2003. Sarnples 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 niean noise levels provided the American Conference of Governmental Industrial Hygienists (ACGIH) Chreshold Limit Value (TLV) were shakeout u97.5 dB(A11. shot-blast 194.2 dB(A)l, pressing 192.9 dB(A)I, crl~shing 191.2 dB(A11, and cleaning 190.6 dB(A)I. 2. Mean concentrations of dusts were not exceeded to the TLV. But concentration on some points of processes as like welding (6.50 rng/m3), foundry (5.24 nidm3) were exceeded. 3. Mean concentrations of tieavy rrletals were riot exceeded to the TLV. 4. Mean concentrations of organic solverlts and chemicals were not exceeded to the TLV. 5. Inlproving rate for working environnierit were significantly higher in industries with health manager than without (p<0.05), and by increasing the year of working enviroriniental measurement (p (0.0 1 ).
Conclusions: The results suggest that working processes of exceeding to the 1 LV will be needed rapid improvement of the working environment, and also the others will be needed positive management of the working environnient. 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.
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KEYWORD
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Accessories for motor vehicles, Process, Working environment, Hazards, Improvement
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