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Health Hazard Evaluation Report: HETA-85-307-1608: Frances Perkins Building; Washington, D.C.
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1985/07/01
[PDF-1.65 MB]
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Description:Environmental and breathing zone samples were analyzed for carbon- dioxide (124389) (CO2) and carbon-monoxide (630080) (CO) at the Frances Perkins Building (SIC-9199), Washington, DC in May, 1985. The evaluation was requested by the employees who were concerned about the possible lack of fresh air and potential CO contamination in their offices from indoor parking garages and the nearby Interstate 395 tunnel. Ventilation specifications of the building were reviewed. CO2 concentrations were 500 to 600 parts per million (ppm) in several offices from which complaints of stuffy air had originated. Outdoor CO2 concentrations were approximately 500ppm. CO concentrations were less than 5ppm. The NIOSH recommended standard for CO is 35ppm. The ventilation system was supplying fresh air at an average rate of 60 cubic feet per minute (CFM) per person, approximately 3 times the American Society of Heating, Refrigerating, and Air Conditioning minimum recommended rate of 20CFM per person. The author concludes that there is no hazard from lack of fresh air or CO in the building. The author recommends monitoring indoor CO, especially during periods of stagnant weather during the summer months and adjusting the ventilation system to minimize CO concentrations if necessary.
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Pages in Document:1-7
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NIOSHTIC Number:00131500
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NTIS Accession Number:PB86-145364
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Citation:Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HETA 85-307-1608, 1985 Jul; :1-7
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Federal Fiscal Year:1985
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Peer Reviewed:False
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Resource Number:HETA-85-307-1608
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