Results 131 - 140 of 230

• 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.
• A Revised Conversion Factor Relating Respirable Dust Concentrations Measured by 10-mm Dorr-Oliver Nylon Cyclones Operated at 1.7 and 2.0 L Min^(-1)
  3/1/2009 - Peer reviewed journal articles
  The work presented in this paper focuses on providing a more accurate conversion multiplier than previously reported in the literature, using an independent direct comparison of the 2.0 L and 1.7 L min^(-1) Dorr-Oliver cyclones.
• Diesel Exhaust Particulate Material Expression of in Vitro Genotoxic Activities When Dispersed Into a Phospholipid Component of Lung Surfactant
  3/1/2009 - Conference papers
  The study objective was to compare some in vitro genotoxic activities between solvent-extraction and surfactant-dispersion preparations for a generally available diesel exhaust reference material, U.S. National Institute for Standards and Technology DPM...
• Maximizing Air Quality Inside Enclosed Cabs with a Unidirectional Filtration and Pressurization System
  2/1/2009 - Conference papers
  This paper describes a recently completed cooperative research effort by NIOSH with Sy-Klone International and Vulcan Materials Company to evaluate the effectiveness of a newly designed uni-directional filtration and pressurization system that brings al...
• Summary of NIOSH Research Completed on Dust Control Methods for the Surface and Underground Drilling
  12/1/2008 - Peer reviewed journal articles
  This paper summarizes the results of research that has been done on respirable dust control for surface mine blasthole drilling operations.
• Evaluation of Dust Exposures Associated with Mist Drilling Technology for Roof Bolters
  12/1/2008 - Peer reviewed journal articles
  This work presents the findings from NIOSH field and laboratory studies comparing respirable dust levels on mist drilling roof bolter machines to dust levels measured on machines using a conventional vacuum drilling system.
• An Expanded Model for Predicting Surface Coal Mine Drill Respirable Dust Emissions
  9/1/2008 - Peer reviewed journal articles
  The focus of this work is drill shroud dust leakage and the relationships of various drill parameters on this leakage.
• Controlling Respirable Dust in Underground Coal Mines in the United States
  9/1/2008 - Conference papers
  This paper presents an overview of dust controls typically utilized in underground U.S. coal mines and an update of ongoing NIOSH PRL research efforts that are evaluating new control technologies.
• Technology News 533 - Minimizing Respirable Dust Exposure in Enclosed Cabs by Maintaining Cab Integrity
  9/1/2008 - Technology News
  National Institute for Occupational Safety and Health (NIOSH) has been performing research to retrofit cabs with new filtration and pressurization systems in an effort to improve the air quality in enclosed cabs of older mining equipment.
• Faces of Black Lung
  8/18/2008 - Videos and multimedia
  'Faces of Black Lung' features two miners who share their stories and provide insight on how their lives have changed due to this devastating black lung disease.