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Mining Publication: Peak Methane Concentrations During Coal Mining: An Analysis
Keywords: Coal mining Engineering controls Methane Statistical analysis Underground mining
Original creation date: January 1974
Authors: FN Kissell, JL Banfield, RW Dalzell, MG Zabetakis
Report of Investigations - January 1974
Download PDF Document (0.59 MB)
NIOSHTIC2 Number: 10000617
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7885, 1974 Jan; :1-17
Methane concentration peaks were measured by the Bureau of Mines at coal mine working faces during entry development. The statistical distribution of peaks was found to be normal or log normal depending on how well the methane was being mixed into the ventilation airstream. A normal distribution indicated good mixing, whereas a log-normal distribution indicated that mixing was poor. In addition, the "highest" peaks over selected intervals were found to fit a type I extreme-value distribution, a result similar to that obtained while mining longwall faces.
Image of publication Peak Methane Concentrations During Coal Mining: An AnalysisReport of Investigations - January 1974
Download PDF Document (0.59 MB)
NIOSHTIC2 Number: 10000617
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7885, 1974 Jan; :1-17
See Also
Composition Change Model for Sealed Atmosphere in Coal Mines
Evaluating Performance Characteristics of Machine-Mounted Methane Monitors by Measuring Response Time
Historical Development of Technologies for Controlling Methane in Underground Coal Mines
Methane Control for Underground Coal Mines
Pillar Mechanics of Coal Mine Bursts: A Control Strategy
Possible Impact of New Safety Technology Developments on the Future of the United States Mining Industry
Research on the Transmission of Electromagnetic Signals Between Mine Workings and the Surface
Results of Direct-Method Determination of the Gas Content of U.S. Coalbeds
Rotary Drilling Techniques Used in the Beckley Coalbed
Use of a Test Box to Measure Response Times for Machine-Mounted Monitors
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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