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- Hazards and exposures:
- Noise
- Document types:
- Reports of Investigations
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Results 1 - 3 of 3
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12/1/1983 - Reports of InvestigationsInformation on vertical magnetic noise in the voice frequency band, both within and above coal mines, is needed for the evaluation of through-the-earth baseband electromagnetic communications at mines where horizontal loop antennas are used. This report...
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11/1/1975 - Reports of InvestigationsData are presented on the individual and combined effects of Bureau of Mines modifications on standard pneumatic rock drills in reducing noise.
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12/1/1974 - Reports of InvestigationsThe principal emphasis of this Bureau of Mines report is on pneumatic drill noise control. Methods are suggested to reduce the noise level by complementing existing machines.
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Content source: National Institute for Occupational Safety and Health, Mining Program