Modify Selection
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Results 41 - 50 of 96
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1/1/2008 - Conference papersThis paper presents a modification which corrects the mathematical error in the Holmberg-Persson approach to perimeter blast design.
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9/1/2007 - Peer reviewed journal articlesTests have been conducted by NIOSH on a newly designed device for smaller diameter drills that separates the water from the bailing air before it reaches the bit and thus provides the cost benefit of dry drilling while providing the benefit of wet drill...
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8/1/2007 - PC software, PresentationsPartial cab information suite containing instructions for building a cab to reduce sound levels by as much as 9 dB on surface air rotary drills.This can reduce the risk of noise-induced hearing loss.
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7/1/2007 - Conference papersAn intelligent drilling system has been developed that can complement scoping and core analysis to provide a more complete picture of roof strata and is capable of seeing features or conditions that are not always obvious in more traditional methods.
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1/1/2007 - Conference papersThis paper reviews the potential hazards from toxic fumes produced by detonating explosives in surface mining and construction operations. Techniques to protect workers and the public from the hazards of explosive-related toxic fumes are discussed.
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1/1/2006 - Peer reviewed journal articlesNIOSH initiated a study of a roof bolter to reduce noise exposure to mine roof bolter operators. When drilling into granite, it was found that wet drilling generated lower sound power levels and performed better than vacuum drilling.
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11/1/2005 - Information CircularsThis is a series of 5 separate double sided sheets designed to educate workers about noise exposure and overhead power line safety at surface drilling sites.
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9/1/2005 - Information CircularsWater well drillers are exposed to high levels of noise while working. Drillers and owners can work together to prevent noise-induced hearing loss, and measures can be taken to reduce exposure to hazardous noise.
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7/1/2005 - Peer reviewed journal articlesThis article examines the factors related to injuries due to inadequate blasting shelters and blast area security, and identifies mitigation techniques.
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2/1/2005 - Information CircularsThis Instructor's Copy contains most of the materials trainers will need in order to use the Drill Rig Incident exercise.
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Content source: National Institute for Occupational Safety and Health, Mining Program