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Mining Publication: Closing the Door to Dust When Adding Drill Steels: Uni-directional Cab Filtration and Pressurization System Tested
Keywords: Cabs Drills Permissible exposure limits Respirable dust
Original creation date: October 2007
Authors: AB Cecala, JA Organiscak, JA Zimmer, D Moredock, MS Hillis
Peer Reviewed Journal Article - October 2007
Download PDF Document (0.27 MB)
NIOSHTIC2 Number: 20032805
Rock Prod 2007 Oct; 110(10):29-32
During a recent National Institute for Occupational Safety and Health field evaluation of a newly designed filtration and pressurization system for an enclosed cab of a surface drill, it was determined that the drill operator's respirable-dust exposure was significantly increased during time periods when the cab door was opened to manually guide another section of drill steel into place to achieve additional cutting depth. Although no dust cloud was visible when the door was opened to perform this task, the drill operator's exposure was documented (over a three-day test period) to be nine times higher than when the cab door was closed. Even at this higher respirable-dust concentration, the drill operator's exposure remained well below the permissible exposure limit governed by the federal dust standard; however, an alternative method is being investigated to guide the drill steel in place in order to eliminate this increased exposure.
Image of publication Closing the Door to Dust When Adding Drill Steels: Uni-directional Cab Filtration and Pressurization System TestedPeer Reviewed Journal Article - October 2007
Download PDF Document (0.27 MB)
NIOSHTIC2 Number: 20032805
Rock Prod 2007 Oct; 110(10):29-32
See Also
Criteria for a Recommended Standard: Occupational Exposure to Respirable Coal Mine Dust: Occupational Exposure to Respirable Coal Mine Dust
Dust Underfoot: Enclosed Cab Floor Heaters Can Significantly Increase Operator's Respirable Dust Exposure
The Effects of Low Quartz Mass Loading and Spatial Variability on the Quartz Analysis of Surface Coal Mine Dust Samples
An Expanded Model for Predicting Surface Coal Mine Drill Respirable Dust Emissions
Field Evaluation of Air-blocking Shelf for Dust Control on Blasthole Drills
Improved Drill Shroud Capture of Respirable Dust Utilizing Air Nozzles Underneath the Drill Deck
Maximizing Air Quality Inside Enclosed Cabs with a Unidirectional Filtration and Pressurization System
Mining Haul Truck Cab Noise: An Evaluation of Three Acoustical Environments
Reducing Enclosed Cab Drill Operator's Respirable Dust Exposure with Effective Filtration and Pressurization Techniques
Technology News 487 - Sweeping Compound Application Reduces Dust From Soiled Floors Within Enclosed Operator Cabs
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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