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- Hazard prevention and control:
- Rock dusting
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Results 21 - 30 of 35
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7/19/2016 - Contracts and cooperative agreementsA contract to develop and implement a prototype rock duster that will use sensing technology to determine the amount of coal dust in the mine atmosphere and distribute an appropriate amount of rock dust to effectively inert the coal dust present.
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7/19/2016 - Contracts and cooperative agreementsA contract to evaluate LiDAR sensing technology to estimate dispersion distances of float coal dust and assess adequacies of rock dust coverage over large areas.
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7/18/2016 - Contracts and cooperative agreementsA contract to develop anti-caking rock dust products.
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4/1/2016 - Peer reviewed journal articlesThis article by NIOSH discusses a new sampling and analysis protocol to accurately measure the coal dust portion of airborne dust when mixed with incombustible limestone dust.
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1/1/2016 - Peer reviewed journal articlesAn article describing the design and development of a dust dispersion chamber to conduct quantitative laboratory-scale dispersibility experiments as a screening tool for candidate rock dusts.
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6/25/2015 - Peer reviewed journal articlesA paper examining the particle size distributions, specific surface areas (SSA), and the explosion suppression effectiveness of various rock dusts.
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10/1/2012 - News articlesThe NIOSH Coal Dust Explosibility Meter (CDEM) is available for purchase and use in underground coal mines. A recent Information Circular supports its use for real-time explosibility testing of rock and coal dust samples.
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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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Content source: National Institute for Occupational Safety and Health, Mining Program