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KMID : 1039220160260040454
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Journal of Korean Society of Occupational and Environmental Hygiene
2016 Volume.26 No. 4 p.454 ~ p.465
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Time Trend in Airborne Asbestos Concentrations among Asbestos-containing Material Handling Industries in Korea, 2000 to 2005
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Phee Young-Gyu
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Abstract
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Objectives: The purpose of this study was to evaluate trends in asbestos exposure among asbestos-handling industries from 2000 to 2005.
Methods: The data included the number of industries and workers exposed, concentrations of asbestos and the amount exceeded, and the type and size of industry by year. These data were collected by 46 regional employment and labor offices in Korea using work environment monitoring reports. A total of 1,481 samples from 284 industries were extracted from the reports and were analyzed with no data modification.
Results: The means of asbestos concentration decreased from 0.84 f/㎤ to 0.03 f/㎤ during the period 2000-2005. Among the total of 1,481 samples, 11 samples(0.7%) exceeded the KOEL, and 178 samples(12.0%) were ACGIH TLV. The insulating paper product manufacturing industry was found to have the highest level of asbestos, followed by the fireproofing manufacturing industry, brake lining products manufacturing industry, commutator products manufacturing industries, and construction materials manufacturing industry. The number of asbestos handling industries decreased from 48 industries with 1,155 employees to 37 industries during the period of 2000 to 2005, but the number of asbestos workers expanded to the point that 1,182 employees could be found in 2005.
Conclusion: Based on these results, the strengthening of the KOEL and new regulations turned out to help reduce asbestos exposure levels. This study recommends that retrospective exposure to asbestos based on various industry types should be assessed.
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KEYWORD
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asbestos, concentration, work environment monitoring data, time trend
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