Results 41 - 50 of 61

• How Does Limestone Rock Dust Prevent Coal Dust Explosions in Coal Mines?
  9/1/2009 - Peer reviewed journal articles
  This study investigates how limestone rock dust prevents the propagation of coal dust explosions by assessing its changes in chemical composition.
• Identifying Sources of Respirable Quartz and Silica Dust in Underground Coal Mines in Southern West Virginia, Western Virginia, and Eastern Kentucky
  4/1/2009 - Peer reviewed journal articles
  This paper discusses the geochemical analyses which were applied in an effort to identify the specific source rock of respirable quartz dust in coal mines.
• Horizontal Air-Blocking Shelf Reduces Dust Leakage from Surface Drill Shroud
  12/1/2008 - Peer reviewed journal articles
  This paper describes a recent research project initiated by NIOSH which identified improvement of the drill shroud design as one of its main objectives for reducing the exposure of surface miners to respirable dust.
• Coal Dust and Methane
  6/1/2008 - Peer reviewed journal articles
  This 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.
• Portable XRF Analysis of Occupational Air Filter Samples from Different Workplaces Using Different Samplers: Final Results, Summary and Conclusions
  11/1/2007 - Peer reviewed journal articles
  This paper concludes a five-year program on research into the use of a portable X-ray fluorescence (XRF) analyzer for analyzing lead in air sampling filters from different industrial environments, including mining, manufacturing and recycling.
• Miners' Views about Personal Dust Monitors
  9/1/2007 - Peer reviewed journal articles
  This NIOSH paper documents coal miners’ reactions to the new Personal Dust Monitor (PDM), and how they make use of the information th PDM provides.
• Determining the Spatial Variability of Personal Sampler Inlet Locations
  8/1/2007 - Peer reviewed journal articles
  This article examines the spatial variability of dust concentrations within a coal miner’s breathing zone and the impact of sampling location at the cap lamp, nose, and lapel.
• Coal Dust Particle Size Survey of US Mines
  7/1/2007 - Peer reviewed journal articles
  Results 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.
• Explosion Temperatures and Pressures of Metals and Other Elemental Dust Clouds
  7/1/2007 - Peer reviewed journal articles
  NIOSH's Pittsburgh Research Laboratory conducted a study of the explosibility of various metals and elemental dusts, focusing on explosion temperatures. The data will aid in evaluating explosion hazards in the minerals/metals processing industries.
• Post-Explosion Observation of Experimental Mine and Laboratory Coal Dust Explosions
  7/1/2007 - Peer reviewed journal articles
  NIOSH's Pittsburgh Research Laboratory (PRL) and the Mine Safety and Health Administration (MSHA) conducted joint research on post-explosion dust samples. The data will aid in future forensic investigations of accidental coal mine dust explosions.