Relationship between the Measurement Values of the Digitial Dust Indicator and Personal Dust Sampler.
- Author:
Young No YOON
;
Jeong Joo LEE
;
Ho Keun CHUNG
;
Ho Chun CHOI
- Publication Type:Original Article
- MeSH:
Coal;
Cyclonic Storms;
Dust*;
Humans;
Humidity
- From:Korean Journal of Preventive Medicine
1987;20(2):255-260
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
The digital dust indicator (Sibata P-5), one of the direct-reading instruments was evaluated for the respirable dust in the underground coal mine environments. As a reference, respirable dust was determined using three cyclones and/or impactors. All the tests were performed on aerosol in twenty underground coal mines. The coefficients of mass-relative concentration were 0.067+/-0.054 (Mean+/-Standard deviation) (range: 0.006-0.172). The relationship between relative concentration and temperature was not significant statistically. Also, the relationship of relative concentration and relative humidity was not significant. Mass concentration and relative concentration were 5.31+/-5.22 mg/m3 and 162+/-163 CPM (Mean+/-Standard deviation) respectively. The range of mass concentration was 1.22-22.69 mg/m3; relative concentration 16-628 CPM. The relationship of mass concentration and relative concentration was not significant in these ranges.
