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- Products and materials:
- Methane
- Document types:
- Technical Progress Reports
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Results 1 - 2 of 2
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8/1/1970 - Technical Progress ReportsMethane emission rates were studied in a Pittsburgh coalbed mine in northern West Virginia. Air volumes and methane percentages were recorded, and time studies of the miner were made during five consecutive operating days, during which a complete cycle...
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3/1/1969 - Technical Progress ReportsThe Bureau of Mines has conducted desorption work on fine coal particles at near atmospheric pressure. An apparatus has been developed that uses a capacitance manometer to measure desorption of methane from coal particles up to 2 inches in diameter and ...
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Content source: National Institute for Occupational Safety and Health, Mining Program