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Mining Publication: Evaluation of a Wearable Monitor for Measuring Real-time Diesel Particulate Matter Concentrations in Several Underground Mines
Keywords: Diesel exhaust Diesel particulate matter Monitoring NIOSH method 5040 Particulate matter measures
Original creation date: December 2014
Authors: JD Noll, S Janisko
Peer Reviewed Journal Article - December 2014
Download PDF Document (0.33 MB)
NIOSHTIC2 Number: 20043406
J Occup Environ Hyg 2013 Dec; 10(12):716-722
The standard method for determining diesel particulate matter (DPM) exposures in underground metal/nonmetal mines provides the average exposure concentration for an entire working shift, and it can take weeks to obtain results. This approach is problematic because, although it reports that an overexposure has occurred, it fails to provide critical information about cause or prevention. Conversely, real-time measurement would provide miners with timely information to identify the major factors contributing to overexposures and would allow engineering controls to be deployed immediately. Due to these potential benefits, the National Institute for Occupational Safety and Health (NIOSH) developed a wearable instrument that measures real-time elemental carbon (EC) concentrations (EC is a DPM surrogate) via laser extinction. This instrument was later constructed into a commercial version (Airtec). This article evaluates the Airtec's performance in several underground metal/nonmetal mines by comparing it to the standard method for determining DPM exposures (NIOSH method 5040). The instrument was found to meet the NIOSH accuracy criteria and to show no statistical difference from NIOSH method 5040 results. In addition, the instrument's measurements were found to be unaffected by dust and humidity.
Cover page for Evaluation of a Wearable Monitor for Measuring Real-time Diesel Particulate Matter Concentrations in Several Underground MinesPeer Reviewed Journal Article - December 2014
Download PDF Document (0.33 MB)
NIOSHTIC2 Number: 20043406
J Occup Environ Hyg 2013 Dec; 10(12):716-722
See Also
Develop Portable DPM Monitor
Diesel Exhaust Aerosol, Review of Measurement Technology
Differential Pressure as a Measure of Particulate Matter Emissions from Diesel Engines
Exposure Monitoring of Dust and Toxic Substances
Instrumentation for Diesel Particulate Matter Emissions Research
Real-time Diesel Particulate Monitor for Underground Mines
Real-Time DPM Ambient Monitoring in Underground Mines
Size Distribution and Deposition in Human Respiratory Tract: Particle Mass and Number
Technology News 431 - Apparatus for Sampling and Measuring Diesel Tailpipe Emissions
Technology News 514 - The Air Quantity Estimator (AQE): A New Computer Software Tool for Large-opening Mine Ventilation Planning
Underground Mine Diesel Particulate Monitor Network
Page last reviewed: December 8, 2014
Page last updated: December 8, 2014
Content source: National Institute for Occupational Safety and Health, Mining Program
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