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Mining Publication: Inaccuracy of Area Sampling for Measuring the Dust Exposure of Mining Machine Operators in Coal Mines
Keywords: Coal mining Miners Sampling Total dust level
Original creation date: February 2002
Authors: FN Kissell, HK Sacks
Peer Reviewed Journal Article - February 2002
Download PDF Document (0.86 MB)
NIOSHTIC2 Number: 20022690
Min Eng 2002 Feb 54(2):33-39
This study examines the accuracy of area sampling for measuring the dust exposure of mining machine operators in coal mines. The specific objective of this research was to find locations where an area sampler might work better than earlier studies have indicated. The results show that fixed-location area sampling cannot accurately predict the dust exposure of a machine operator, even when the best fixed location is sought, the fixed location is quite close to the operator and the bias due to the dust concentration gradient is corrected. Industrial hygienists have known for many years that area sampling is unsuitable for measuring air contaminant exposures in the workplace. Near contaminant sources, the dilution air and the contaminants are not evenly mixed. Therefore, when workers are near contaminant sources, exposure measurements must be taken from the worker's breathing zone to be accurate.
Image of publication Inaccuracy of Area Sampling for Measuring the Dust Exposure of Mining Machine Operators in Coal MinesPeer Reviewed Journal Article - February 2002
Download PDF Document (0.86 MB)
NIOSHTIC2 Number: 20022690
Min Eng 2002 Feb 54(2):33-39
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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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