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- Mine locations, excavations, and structures:
- Sumps
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- Slopes
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- Material piles
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- Mine surface
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- Laboratories
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- Stoppings
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- Caves
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- Faces
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- Offices
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- Boreholes
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- Stopes
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- Highwalls
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- Underground
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- Tunnels
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- Crosscuts
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- Pillars
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- Yield pillars
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- Barrier pillars
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- Chain pillars
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- Web pillars
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- Returns
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- Escapeways
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- Gobs
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- Airways
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- Bulkheads
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- Intersections
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- Longwall panels
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- Headgates
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- Recovery rooms
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- Tailgates
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- Entries
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- Bleeder entries
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- Intake entries
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- Panel entries
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- Belt entries
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- Drifts
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- Ore passes
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- Ore chutes
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- Wells
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- Drainage wells
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- Water wells
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- Storage structures
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- Hoppers
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- Silos
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- Trenches
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- Processing plants
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- Benches
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- Manholes
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- Shafts
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- Transformer stations
- Document types:
- Reports of Investigations
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Results 1 - 10 of 67
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1/1/2011 - Reports of InvestigationsDust surveys determined if deep-cut mining expose face workers to higher levels of respirable dust. Study findings indicate that levels on bolting faces did not appear to be affected by longer cycles associated with deep-cut mining practices.
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5/1/2010 - Reports of InvestigationsThis NIOSH report presents the results of extensive in-mine coal dust particle size surveys of dust samples collected from intake airways in 61 U.S. coal mines, representing all 10 MSHA bituminous Coal Mine Safety and Health Districts.
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This NIOSH publication demonstrates how existing and new engineering controls can be used to reduce face methane levels.
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11/1/2008 - Reports of InvestigationsA joint MSHA and NIOSH study simulated actual coal mine explosion accidents to evaluate blast effects on typical U.S. mine ventilation stoppings, and presents construction and testing methods, explosion test data, and post-explosion conditions.
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3/1/2004 - Reports of InvestigationsHighly stressed rock in stopes continues to be a primary safety risk for miners in underground mines because this condition can result in failures of ground that lead to both injuries and death.
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7/1/2000 - Reports of InvestigationsShort-dumping rather than edge-dumping might reduce dumping-related accidents, but many operators believe it is less cost effective. To evaluate this perception, NIOSH reviewed the costs of various dumping methods at waste and spoil piles.
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1/1/1991 - Reports of InvestigationsThis report details the results of a series of large-scale experiments where small coal fires were used to ignite the conveyor belt at specific air velocities, and showed conditions required for early detection of conveyor belt entry fires.
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6/1/2015 - Reports of InvestigationsNIOSH researchers completed in-depth interviews with nine coal mine safety trainers about teaching and assessing Self-escape competencies (SEC). Based on the results recommendations are provided to improve training, assessment, and maintenance of SEC.
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4/1/2015 - Reports of InvestigationsAn RI that explores 3 issues to facilitate use of BIP RAs: (1) locating BIP RAs further from the face; (2) providing a consistent process for the design and approval of RA stoppings; (3) delivering a reliable supply of clean, breathable air to a BIP RA.
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11/1/2006 - Reports of InvestigationsThis report discusses the evaluation of three types of product sizing silica sand structures: a masonry design, a steel-sided design, and an open structure design. An open structure design was superior from both a dust and noise standpoint.
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Content source: National Institute for Occupational Safety and Health, Mining Program