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HHE report no. HETA-92-152-2214, Mesa County Courthouse, Grand Junction, Colorado.

Authors
McCammon-CS
Source
NIOSH 1992 May; :1-24
NIOSHTIC No.
00208282
Abstract
In response to a request from the Facilities Manager of Mesa County Support Services Department concerning the Mesa County Courthouse and Annex (SIC-9222), Grand Junction, Colorado, an evaluation was undertaken of indoor air quality as employees had been suffering with itchy watery eyes, chronic sinus problems, headaches, and other symptoms. Over the past 5 years, each of the four courtrooms in the Annex had its own ventilation (heating and air conditioning) system installed. The evaluation included questionnaires given to building employees; an examination of the heating, ventilation and air conditioning systems (HVAC) operative at the site; a study of the identifiable sources of contamination; interviews with the representatives of the building management and building employees; and a survey to consider the relative comfort zones in operation in the building. The areas of the Annex building which had a central HVAC system were the source of most complaints. No carbon-dioxide (124389) levels were recorded above 1000 parts per million (ppm) in any section of the building. Temperatures inside ranged from 72 to 79 degrees-F and relative humidity was 17 to 20%. Carbon-monoxide (630080) levels were less than 1ppm. There were times when the amount of outside air mixed in were inadequate. The author concludes that no airborne contaminant which would constitute a health hazard was identified; however, there were deficiencies in the ventilation system. The author recommends measures to improve the ventilation system.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-92-152-2214; Region-8; Hazard-Unconfirmed; Ventilation-equipment; Office-workers; Air-quality; Indoor-air-pollution; Ventilation-systems; Indoor-environmental-quality
CAS No.
124-38-9; 630-08-0
Publication Date
19920501
Document Type
Hazard Evaluation and Technical Assistance; Field Studies
Fiscal Year
1992
NTIS Accession No.
PB92-222793
NTIS Price
A03
Identifying No.
HETA-92-152-2214
NIOSH Division
DSHEFS
SIC Code
9222
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-92-152-2214, 24 pages, 38 references
State
CO; OH
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