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The National Institute for Occupational Safety and Health (NIOSH)





Mining Publication: Electromagnetic Interference from Personal Dust Monitors and Other Electronic Devices with Proximity Detection Systems
Keywords: Personal dust monitors Proximity detection systems
Original creation date: May 2018
Authors: J Noll, R Matetic, J Li, C Zhou, J Ducarme, M Reyes, J Srednicki
Peer Reviewed Journal Article - May 2018
Go to Web Page
NIOSHTIC2 Number: 20051546
Min Eng 2018 May; 70(5):61-68
In April 2016, the U.S. Mine Safety and Health Administration (MSHA) began requiring the use of continuous personal dust monitors to monitor and measure respirable mine dust exposures to underground coal miners. Mines are currently using the PDM3700 personal dust monitor to comply with this regulation. After the PDM3700’s implementation, mine operators discovered that it interfered with proximity detection systems, thus exposing miners to potential striking and pinning hazards from continuous mining machines. Besides the PDM3700, other electronic devices were also previously reported to interfere with proximity detection systems. MSHA sought the aid of the U.S. National Institute for Occupational Safety and Health (NIOSH) and mining industry stakeholders to determine how the PDM3700 and some other electronic devices and proximity detection systems interact with each other. Accordingly, NIOSH investigated existing standards, developed test protocols, designed experiments and conducted laboratory evaluations. Some interferences were observed to be caused by electromagnetic interference from some electronic devices, including the PDM3700. Results showed that there was no significant interference when the PDM3700, as well as other electronic devices, and the miner-wearable component of the proximity detection system were separated by distances of 15 cm (6 in.) or greater. In the present study, it was found that the PDM3700 and the personal alarm device needed to be at least 15 cm (6 in.) apart in order for them to be used simultaneously and reduce potential interference.
First page of Electromagnetic Interference from Personal Dust Monitors and Other Electronic Devices with Proximity Detection SystemsPeer Reviewed Journal Article - May 2018
Go to Web Page
NIOSHTIC2 Number: 20051546
Min Eng 2018 May; 70(5):61-68
See Also
An Active Proximity Warning System for Surface and Underground Mining Applications
Determining the Spatial Variability of Personal Sampler Inlet Locations
Engineering Considerations and Selection Criteria for Proximity Warning Systems for Mining Operations
Equivalency of a Personal Dust Monitor to the Current United States Coal Mine Respirable Dust Sampler
Laboratory and Field Performance of a Continuously Measuring Personal Respirable Dust Monitor
Preventing Collisions Involving Surface Mining Equipment: A GPS-based Approach
Real-Time DPM Ambient Monitoring in Underground Mines
Recommendations for Evaluating & Implementing Proximity Warning Systems on Surface Mining Equipment
Surface Haulage Truck Research
Test Results of Collision Warning Systems for Surface Mining Dump Trucks
Page last reviewed: October 30, 2018
Page last updated: October 30, 2018
Content source: National Institute for Occupational Safety and Health, Mining Program
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