Results 201 - 210 of 618

• Characterization of Airborne Float Coal Dust Emitted During Continuous Mining, Longwall Mining, and Belt Transport
  9/1/2017 - Peer reviewed journal articles
  An article detailing field characterization studies performed by NIOSH to determine quantitatively the sources, types and amounts of dust produced during various coal mining processes.
• Simulation and Measurement of Through-the-Earth, Extremely Low-Frequency Signals Using Copper-Clad Steel Ground Rods
  9/1/2017 - Peer reviewed journal articles
  A paper presenting the simulation and measurement results of recent NIOSH research aimed at investigating current injection at extremely low-frequency, and in particular, ground contact impedance.
• Examination of Space/Volume Requirements for US Underground Coal Mine Refuge Alternatives
  9/1/2017 - Peer reviewed journal articles
  An article presenting a study that examined the amount of floor space needed for a person to reside inside a refuge alternative and perform basic tasks.
• Comparison of Coarse Coal Dust Sampling Techniques in a Laboratory-simulated Longwall Section
  8/1/2017 - Peer reviewed journal articles
  In this study, a personal dust sampler was adapted for area sampling of coarse coal dust in high-velocity ventilation air and then tested alongside other dust samplers.
• Analysis of the Design and Performance Characteristics of Pumpable Roof Supports
  8/1/2017 - Peer reviewed journal articles
  This paper evaluates the impact of various pumpable roof support design parameters by examining full-scale performance tests conducted using the NIOSH Mine Roof Simulator (MRS) as part of manufacturers’ developmental and quality control testing.
• An Analysis of Roof Bolter Fatalities and Injuries in U.S. Mining
  8/1/2017 - Peer reviewed journal articles
  This paper analyzes U.S. roof bolter fatal and nonfatal lost-time injury data at underground work locations for all commodities from 2004 through 2013 and determines risk indices for six roof bolting tasks.
• Quick Fixes to Improve Workers’ Health: Results Using Engineering Assessment Technology
  7/1/2017 - Peer reviewed journal articles
  A paper focusing on several specific identified sources of elevated dust that could be reduced through basic engineering fixes, low-cost resources, and supportive communication from management.
• Simultaneously Reducing CO2 and Particulate Exposures via Fractional Recirculation of Vehicle Cabin Air
  7/1/2017 - Peer reviewed journal articles
  An article presenting research on fractional recirculation as a simple method to reduce exposures to particulate matter and CO2 in vehicles.
• Characterization of a Mine Fire Using Atmospheric Monitoring System Sensor Data
  6/1/2017 - Peer reviewed journal articles
  An article describing a NIOSH experiment that showed that the heat release rate of a mine fire can be calculated with reasonable accuracy using atmospheric monitoring systems sensor data.
• Temperature Rise Within a Mobile Refuge Alternative (RA) - Experimental Investigation and Model Validation
  6/1/2017 - Peer reviewed journal articles
  An article by NIOSH that describes the results from heat and relative humidity testing in a 10-person, tent-type mobile refuge alternative.