Results 11 - 20 of 784

• Evaluating Portable Infrared Spectrometers for Measuring the Silica Content of Coal Dust
  1/1/2012 - Peer reviewed journal articles
  Miners face a variety of respiratory hazards while on the job, including exposure to silica dust which can lead to silicosis, a potentially fatal lung disease.
• Field Study of Longwall Coal Mine Ventilation and Bleeder Performance
  1/1/2012 - Peer reviewed journal articles
  To assess the effectiveness of commonly applied ventilation strategies for improving air distribution and ventilation controls to meet statutory requirements.
• CO and CO2 Emissions from Spontaneous Heating of Coal Under Different Ventilation Rates
  10/1/2011 - Peer reviewed journal articles
  This study evaluated CO and CO2 emissions from spontaneous heating of a U.S. coal sample in an isothermal oven under different airflow ventilation rates from 100 to 500 cm3/min. Experiments were conducted at oven temperatures of 70, 90, and 100 °C.
• Diesel Aerosols and Gases in Underground Mines: Guide to Exposure Assessment and Control
  10/1/2011 - Guides and manuals, Reports of Investigations
  A comprehensive guide to establish a program to curtail diesel particulate matter emissions, control pollutants after release in an underground mine environment and reduce exposures using administrative controls.
• Benchmarking Longwall Dust Control Technology and Practices
  9/1/2011 - Peer reviewed journal articles
  Results from the NIOSH underground dust surveys and current longwall dust control technology and operating practices are discussed.
• Field Evaluation of Air-blocking Shelf for Dust Control on Blasthole Drills
  3/1/2011 - Peer reviewed journal articles
  Field tests confirm that an air-blocking shelf installed in the inside perimeter of a blasthole drill shroud substantially improves dust control. This modification reduced respirable dust by 66%–81% in the immediate vicinity of the shroud...
• In-Mine Study of High-Expansion Firefighting Foam
  1/1/2011 - Peer reviewed journal articles
  This paper describes the production of high-expansion firefighting foam and discusses the in-mine experimental tests and results.
• Early Strength Performance of Modern Weak Rock Mass Shotcrete Mixes
  1/1/2011 - Peer reviewed journal articles
  A field-expedient test method and portable on site test equipment have been developed to measure shotcrete strength in the first six hours after application.
• Potential of Roof Screening to Reduce Workers' Compensation Cost
  12/1/2010 - Peer reviewed journal articles
  Many rock fall injuries can be prevented with roof screen, but many coal mines are reluctant to use it due to added cost. This study looked at potential savings in workers' compensation premiums due reduced rock fall injuries after roof screening.
• Methane-Air Detonation Experiments at NIOSH Lake Lynn Laboratory
  9/1/2010 - Conference papers
  This paper describes the first phase of research aimed at understanding explosion pressures that can develop in coal mines and the factors that lead to high explosion pressure and possible transition to detonation.