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- Mine locations, excavations, and structures:
- Silos
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1/1/1981 - Reports of InvestigationsThe Bureau of Mines investigated coal storage silos to determine how gassy coal must be for methane accumulations in a silo to become hazardous and where such accumulations are likely to occur. Methane concentrations were measured in the open space abov...
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1/1/1978 - Reports of InvestigationsThe methane gas emitted from coal samples collected from the conveyor belts dumping into silos was measured. Approximately 50 pct of the total gas desorbed into a sealed can within 1 week was released during the first 24 hours. No simple correlation bet...
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Content source: National Institute for Occupational Safety and Health, Mining Program