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HHE report no. HETA-87-404-1893, Park County Courthouse, Fairplay, Colorado.

Authors
Lee-SA
Source
NIOSH 1988 May; :1-11
NIOSHTIC No.
00181812
Abstract
In response to a request from employees at the Park County Courthouse (SIC-9211), Fairplay, Colorado, an evaluation was made of indoor air quality at this facility, with specific reference to symptoms of headaches, ringing in the ears, worsening eyesight, and sinus problems. Six people worked at the building which had been constructed 2 years earlier. Air samples were taken at the facility and analyzed for formaldehyde (50000) by visible spectroscopy. Formaldehyde levels were measured at 0.03 to 0.06 parts per million (ppm), with a mean of 0.05ppm in the offices and courtrooms. As a result of recommendations, the building was made a no smoking area, and outside air vents were connected to the furnaces. At a followup visit, carbon-dioxide (124389) levels were about 250ppm throughout the building, reaching a maximum of 400ppm at 9:30 in the morning, when 29 people were present in the building. Relative humidity ranged from 14 to 18 percent. The author concludes that there was no hazard due to exposure to formaldehyde, and that adequate amounts of fresh air were supplied throughout the building. The author recommends increasing the relative humidity to about 40 percent to alleviate upper respiratory irritation caused by dry air during the heating season.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-87-404-1893; Region-8; Hazard-Unconfirmed; Office-workers; Workplace-studies; Indoor-air-pollution; Indoor-environmental-quality
CAS No.
50-00-0; 124-38-9
Publication Date
19880501
Document Type
Hazard Evaluation and Technical Assistance; Field Studies
Fiscal Year
1988
NTIS Accession No.
PB89-107809
NTIS Price
A03
Identifying No.
HETA-87-404-1893
NIOSH Division
DSHEFS
SIC Code
9211
Source Name
Division of Surveillance, Hazard Evaluations, and Field Studies, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-87-404-1893, 11 pages, 4 references
State
CO; OH
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