Trapped for 15 Hours A miner gets trapped 1000 metres underground in the Leinster rock fall spends more than 15 hours in a rescue chamber in an Australia mine.
Assessment of Thermal Environment of Mine Refuge Chamber The purpose of this MineArc Systems study was to determine the occupancy time required to exceed an apparent temperature of 95° F in a refuge chamber not equipped with an air cooling system.
Mine Arc letter to MSHA A letter from Australia's Mine Arc Systems to MSHA regarding guidance considerations.
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