Seasonal variation in respirable dust concentration in US coal mines. Report of Investigations
Technical Report
·
OSTI ID:5446565
The Bureau of Mines examined the possibility of a seasonal variation of respirable dust concentration in U.S. coal mines. The first step was to review company and MSHA-inspector dust samples that had been collected during the past several years in 14 selected mines for compliance purposes. Results indicated severe scatter in data; most standard deviations of the dust concentrations measured in winter and summer months were comparable in magnitude with the mean values of dust concentrations for the seasons. Therefore, a detailed statistical analysis was conducted.
- Research Organization:
- Bureau of Mines, Pittsburgh, PA (USA). Pittsburgh Research Center
- OSTI ID:
- 5446565
- Report Number(s):
- PB-86-217981/XAB; BUMINES-RI-9014
- Country of Publication:
- United States
- Language:
- English
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