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Health hazard evaluation report: HETA-83-042-1283, Diocese of Pueblo, Pueblo, Colorado.

Thoburn TW
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 83-042-1283, 1983 Mar; :1-10
In response to a request from the building manager, an evaluation was made of worker exposure to carbon-monoxide (630080) (CO) in the offices of the Diocese of Pueblo, Chancery Building (SIC-8661), Pueblo, Colorado. Symptoms among the workers included headaches and eye and nose irritation. The problems apparently began when the natural gas furnace was turned on due to cold weather. Heat was supplied by hot water baseboard radiators. A number of air samples were taken from various areas of the three story building. Readings were also taken for carbon-dioxide (124389). The highest CO level recorded was 2 to 3 parts per million (ppm), clearly below the OSHA standard of 50ppm. Carbon-dioxide levels were similar to those in outside air. Some of the eye and nose irritation was thought to have occurred because the radiators had not been thoroughly cleaned before being turned on for the winter season. There may have been a blockage of some sort in the chimney when the furnace was started up but which since been burned away; the blockage could have caused a CO buildup during the first few weeks of operation. The author concludes that a health hazard did not exist at the time of the evaluation. The author recommends that the thermostats be checked for proper functioning, that consideration be given to humidification during the heating season, that the chimney and baseboard radiators be checked and cleaned at the start of each heating season, and that if the building is to be made less drafty, provisions should be made for adequate fresh air intake.
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-83-042-1283; Region-8; Hazard-Confirmed; Office-workers; Air-quality-measurement; Furnaces; Heating-systems; Airborne-dusts; Pulmonary-system-disorders; Eye-irritants; Author Keywords: Religious Organization; carbon monoxide; indoor air quality; carbon dioxide; temperature; relative humidity
630-08-0; 124-38-9
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Field Studies; Hazard Evaluation and Technical Assistance
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National Institute for Occupational Safety and Health
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division