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Mining Publication: Controlling Dust Exposures in Longwall Mining Utilizing A Simple Barrier
Keywords: Coal dust Dust control Inert dust barriers Inhaling harmful substances Longwall mining
Original creation date: December 2009
Authors: DD Sweeney, JM Slagley, DA Smith, JP Rider
Peer Reviewed Journal Article - December 2009
Download PDF Document (0.26 MB)
NIOSHTIC2 Number: 20036245
Min Eng 2009 Dec; 61(12):58-61
The United States coal mining industry has traditionally experienced difficulty in controlling dust levels below the occupational exposure limit. While improvements in face ventilation and water spray nozzles have decreased dust exposures, approximately eight percent of experienced coal miners are still developing Coal Workers Pneumoconiosis. This investigation tested the feasibility of enhancing existing engineering dust controls by mounting a simple barrier on a longwall shearer that separated the operators from the cutting drums. The barrier was constructed and tested above ground at the National Institute for Occupational Safety and Health Pittsburgh Research Laboratory longwall gallery test facility. A 96-percent reduction of respirable dust occurred at the headgate sampling position when tested at 2.4 m/sec (480 ft/min). The average dust level decreased from 39 mg/m3 to 1.5 mg/m3 by utilizing the barrier.
Image of publication Controlling Dust Exposures in Longwall Mining Utilizing A Simple BarrierPeer Reviewed Journal Article - December 2009
Download PDF Document (0.26 MB)
NIOSHTIC2 Number: 20036245
Min Eng 2009 Dec; 61(12):58-61
See Also
Benchmarking Longwall Dust Control Technology and Practices
Coal Dust Explosibility Meter Evaluation and Recommendations for Application
Control of Respirable Dust
Dust Control on Longwalls: Assessment of the State of the Art
Evaluation of the Approach to Respirable Quartz Exposure Control in U.S. Coal Mines
Evaluation of the Bagged Stone Dust Barrier Effectiveness in a Bord and Pillar Mine
Improved Dust Control Methods for Longwall Mining
Reducing Worker Exposure To Dust Generated During Longwall Mining
Status of a Tapered Element, Oscillation Microbalance-Based Continuous Respirable Coal Mine Dust Monitor
Suggestion of a Cause-and-Effect Relationship Among Coal Rank, Airborne Dust, and Incidence of Workers' Pneumoconiosis
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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