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- Explosion suppression
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- Rock dusting
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- Rock dust barriers
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Results 31 - 40 of 40
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9/28/2012 - News articlesNIOSH recommends a new standard of 80% total incombustible content be required in intake airways of bituminous coal mines in the absence of methane.
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9/28/2012 - News articlesCoal Mine Explosion Prevention Accomplishments
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9/1/2010 - Conference papersNIOSH conducted large-scale explosion experiments at the Lake Lynn Experimental Mine to investigate the inerting effect of limestone rock dust. Flame travel was measured using a conventional test and results were compared to a newer method.
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9/1/2009 - Peer reviewed journal articlesThis study investigates how limestone rock dust prevents the propagation of coal dust explosions by assessing its changes in chemical composition.
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6/1/2008 - Peer reviewed journal articlesThis article describes the Coal Dust Explosibility Meter (CDEM), a hand-held instrument developed by NIOSH, which uses optical reflectance to measure the explosibility of a rock dust and coal dust mixture, which is now commercially available.
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7/1/2007 - Peer reviewed journal articlesResults indicate that particle sizes of mine coal dust in intake airways are finer and would require more incombustible matter to be effectively inerted than the 65% incombustible specified in current regulations.
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1/1/2006 - Conference papersNIOSH's Office of Mine Safety and Health Research, in collaboration with MSHA Technical Support, has devised a prototype handheld device, Coal Dust Explosibitlity Meter (CDEM), to assess the potential explosibility of a coal and rock dust mixture.
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10/1/2004 - Conference papersThe NIOSH mining research program at the Pittsburgh Research Laboratory (PRL) includes the areas of coal mine dust control and monitoring, and explosion prevention.
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6/1/2001 - Conference papersA project to evaluate the South African bagged stone dust explosion barrier was successfully completed at the NIOSH Lake Lynn Experimental Mine.
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5/1/1998 - Reports of InvestigationsFull-scale testing and results are described for an automated system that continuously monitors the accumulation of coal dust in mine entries.
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Content source: National Institute for Occupational Safety and Health, Mining Program