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- Research methods and measures:
- Particulate matter measures
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Results 21 - 24 of 24
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4/1/1994 - Technology NewsThe objective was to develop a portable emissions measurement apparatus.
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4/1/1992 - Reports of InvestigationsA collaboration between the U.S. Bureau of Mines and Michigan Technological University to develop an apparatus for measuring diesel tailpipe emissions in underground mines.
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1/1/1986 - Information CircularsThe Bureau of Mines has recorded a number of different background dust sources that significantly contaminate the air breathed by bag machine operators. To keep bag operator exposure within acceptable dust levels established by the Mine Safety and Healt...
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5/1/1967 - Information CircularsA revision of a previous Bureau of Mines publication, this IC provides the history, method of preparation and details regarding the proper use of the Ringlemann Smoke Chart.
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Content source: National Institute for Occupational Safety and Health, Mining Program