Results 1 - 10 of 26

• Filter Media and Holder Compatible with Personal Dust Monitor and End-of-Shift Crystalline Silica Quantification by Raman and FTIR Spectroscopy
  2/22/2023 - Contracts and cooperative agreements
  A contract with Desert Research Institute to find alternative filter media and redesign the filter holder for the continuous personal dust monitorto make the filter compatible with end-of-shift respirable crystalline silica quantification.
• 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.
• 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.
• Direct-on-Filter alpha-Quartz Estimation in Respirable Coal Mine Dust using Transmission Fourier Transform Infrared Spectrometry and Partial Least Squares Regression
  5/1/2017 - Peer reviewed journal articles
  An article by NIOSH about a study demonstrating the feasibility of end-of-shift measurement of α-quartz using a direct-on-filter (DoF) method to analyze coal mine dust samples deposited onto polyvinyl chloride filters.
• Association of IL-6 with PM2.5 Components: Importance of Characterizing Filter-based PM2.5 Following Extraction
  1/1/2017 - Peer reviewed journal articles
  A study highlighting the importance of characterizing PM2.5 extraction solutions to conduct accurate health impact research.
• Development of Dust Control Units for Underground Coal Mines
  7/18/2016 - Contracts and cooperative agreements
  A contract to design, construct, and test two new dust collection components for continuous mining operations in underground coal mines.
• Characterization of Ambient and Extracted PM2.5 Collected on Filters for Toxicology Applications
  10/1/2015 - Peer reviewed journal articles
  An article about a novel method for characterizing the differences, in metallic and organic species, between the ambient samples and the corresponding extracted solutions through characterization of extracted PM2.5 suspended on filters.
• Field Assessment of Enclosed Cab Filtration System Performance Using Particle Counting Measurements
  9/1/2013 - Peer reviewed journal articles
  This article describes a study where a two-instrument particle counting method was used to examine a new cab filtration system design for underground industrial minerals equipment.
• A Handheld Electrostatic Precipitator for Sampling Airborne Particles and Nanoparticles
  6/1/2010 - Peer reviewed journal articles
  Researchers at NIOSH are developing methods for characterizing ultrafine aerosols in workplaces. One method includes the detailed analysis of collected particles using electron microscopy (EM).