Results 101 - 110 of 344

• Improving Protection Against Respirable Dust at an Underground Crusher Booth
  11/30/2018 - Peer reviewed journal articles
  An article describing a study at an underground limestone mine crusher booth that evaluated a filtration and pressurization system, two experimental prototype filters, and three cab pressure monitoring devices.
• Field Investigation to Measure Airflow Velocities of a Shuttle Car Using Independent Routes at a Central Appalachian Underground Coal Mine
  11/1/2018 - Peer reviewed journal articles
  An article investigating the potential use of canopy air curtain systems in protecting shuttle car operators from respirable dust.
• Dust Suppression Hopper Reduces Dust Liberation During Bulk Loading: Two Case Studies
  11/1/2018 - Peer reviewed journal articles
  An article describing two evaluations of the Dust Suppression Hopper (DSH) at industrial sand processing plants.
• Influence of Specific Surface Area on Coal Dust Explosibility Using the 20-L Chamber
  8/1/2018 - Peer reviewed journal articles
  A study using 20-L explosion chamber testing to examine the relationship between the explosion inerting effectiveness of rock dusts on coal dusts, as a function of the specific surface area of each component.
• Selected Publications on EVADE Software, Helmet-CAM, Dust Exposure, and Behavioral Studies
  6/20/2018 - Publications
  A page listing selected publications related to Helmet-CAM and EVADE software.
• Design, Testing, and Modeling of Environmental Enclosures for Controlling Worker Exposure to Airborne Contaminants
  6/1/2018 - Information Circulars
  Read the latest NIOSH design guidelines for environmental enclosures to reduce contaminant exposure.
• Dust Control by Air-blocking Shelves and Dust Collector-to-Bailing Airflow Ratios for a Surface Mine Drill Shroud
  5/17/2018 - Peer reviewed journal articles
  A study using computational fluid dynamics (CFD) models to examine the effects of air-blocking shelves on airflows and respirable dust distribution associated with medium-sized surface blasthole drill shrouds as part of a dry dust collector system.
• Developing a Roadmap and Reference Materials for Minerals and Materials Research
  2/16/2018 - Research projects
  A project to create two sets of reference samples, by cataloging and characterizing, previously collected bulk naturally occurring elongate minerals, according to their crystallinity, chemistry, and morphology.
• Dispersibility Testing of Dried Wet and Foam Rock Dust
  2/1/2018 - Contracts and cooperative agreements
  A contract to test the dispersibility of conventional dry-applied rock dust versus new wet and foam rock dusts and aid rock dust suppliers and equipment manufacturers with development of new wet and foam rock dusts.
• Miniaturized Wearable Personal Dust Exposure Monitor for Respirable and Alveolar Dust in Underground Coal Mines
  2/1/2018 - Contracts and cooperative agreements
  A contract to design and develop a miniaturized personal dust monitor for miners.