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Health Hazard Evaluation Report: MHETA-87-295-1867: High Power Energy; Drennen, West Virginia
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1987/12/01
[PDF-378.62 KB]
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Description:In response to a request from the United Mine Workers of America, Local 8531, an evaluation was made of possible heat stress conditions at the High Power Energy's No. 901 strip mine (SIC-1211), Drennen, West Virginia. A total of 94 heat stress measurements was taken in 13 of the 16 rock and coal trucks to determine the wet bulb globe temperature time weighted average (WBGT-TWA) for each truck. The WBGT-TWA ranged from 82.3 to 88.4 degrees-F. The metabolic heat from the 13 drivers was estimated to be from 271 to 504 kilocalories/hour. In each of these trucks it was determined that a potentially hazardous heat stress condition did exist. The recommended exposure limit for drivers of such truck’s ranges from 77 to 83 degrees-F. The measurements were taken at times of the day when it was expected maximum readings would be obtained. The author concludes that during hot, humid weather, truck drivers are exposed to potentially hazardous heat loads. The author recommends that air conditioning be provided in the trucks. Other recommendations include preplacement and periodic medical examinations, use of a heat stress monitor, provision of rest periods, starting the workday earlier, provision of adequate amounts of cool water, use of a buddy system, and training workers to recognize early signs of heat illness.
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Pages in Document:9 pdf pages
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NIOSHTIC Number:00179856
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NTIS Accession Number:PB88-221569
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Citation:Morgantown, WV: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, MHETA 87-295-1867, 1987 Dec; :1-9
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Federal Fiscal Year:1988
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Peer Reviewed:False
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Resource Number:MHETA-87-295-1867
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