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HHE report no. HETA-91-351-2252, Social Security Administration, District Office, Colorado Springs, Colorado.

Authors
Esswein-EJ
Source
NIOSH 1992 Sep; :1-24
NIOSHTIC No.
00218678
Abstract
In response to a confidential request, an investigation was begun into poor indoor environmental quality at the Social Security Administration (SIC-9441) District Office located in Colorado Springs, Colorado. Employees at that site had expressed concern over mucous membrane irritation, headaches, and poor air circulation. The District Office was located in a single story office complex, and employed 35 workers. Other businesses in the complex included a dry cleaners. Area air sampling was performed for formaldehyde (50000) and volatile organic compounds. Only one formaldehyde sample was above the minimum detectable concentration. Perchloroethylene (127184) was detected in indoor air at 0.18mg/m3 and in outdoor air at 0.30mg/m3. Temperature measurements were within the limits in most instances. Relative humidity was on the lower end of the comfort zone. Measurements of carbon-dioxide (124389) taken daily approached 1,000 parts per million (ppm), suggesting that an inadequate amount of dilution ventilation was occurring. The author concludes that no health hazard was identified. Entrainment of outside air contaminated with perchloroethylene from the dry cleaning establishment and low relative humidity may have been factors in employee complaints. The author recommends that efforts be made to improve the indoor air quality at this site by reducing the possibility of entrainment of air contaminated with perchloroethylene and improving ventilation.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-91-351-2252; Hazard-Unconfirmed; Region-8; Office-workers; Indoor-air-pollution; Chlorinated-hydrocarbons; Dry-cleaning-solvents; Ventilation-systems; Indoor-environmental-quality
CAS No.
50-00-0; 127-18-4; 124-38-9
Publication Date
19920901
Document Type
Hazard Evaluation and Technical Assistance; Field Studies
Fiscal Year
1992
NTIS Accession No.
PB93-213098
NTIS Price
A03
Identifying No.
HETA-91-351-2252
NIOSH Division
DSHEFS
SIC Code
9441
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-91-351-2252, 24 pages, 39 references
State
CO; OH
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