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Title Development of a Real Time Monitoring Instrument for Airborne Asbestos Fibers
Attached File 17RR-70_Development_of_a_Real_fibers.pdf  File Download Date 2018-02-13
1. Purpose of Research
- Traditionally, airborne concentrations of asbestos fiber have been analyzed by Phase Contrast Microscopy(PCM). Airborne fibers are collected on a filter using a vacuum pump, and fibers are counted by PCM after pre-treating the filter for analysis. Disadvantages of the method include; the analyst needs to be trained for counting, the pre-treatment process is time consuming, and above all, the results can only be available after the analysis. For many fields applications, an instrument that can provide real time airborne concentrations are in need to overcome the disadvantages of PCM analysis.
- Currently, there are two notable direct reading instruments on the market; M7400AD(MSP Corp., USA) and F-1 Fiber Monitor(Sibata, Japan). None has been developed in Korea, yet. There instruments, however, are lacking in terms of accuracy compared with that of PCM. Therefore, developing a highly reliable and accurate direct-reading, real time instrument of measuring airborne asbestos fibers is in great demand. The purpose of this study is to develop a direct-reading, real time instrument for airborne fibers that can be released from the asbestos abatement works and of naturally occurring asbestos(NOA) areas. The accuracy of the instrument should be within ±50% of the current reference method.
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