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Hazard Evaluation and Technical Assistance Report No. TA 77-79, Department of Housing and Urban Development, Washington, DC.

PB82157769

Publication Date	1978
Personal Author	Price, J. H.
Page Count	21
Abstract	Worker exposures to carbon-monoxide (630080) (CO) were surveyed at the Housing and Urban Development (HUD) parking garage (SIC-7525) on October 25 to 27, 1977. The evaluation was requested by HUD on behalf of 3 parking attendants and about 1,000 carpool members. CO concentrations ranged from 20 to 56 parts per million (ppm). The recommended OSHA limit is 50ppm. Attendants were exposed to sufficient CO to produce carboxyhemoglobin concentrations as high as 7.3 percent as compared with NIOSH recommended criteria of 5 percent. The author concludes that a hazard exists due to CO on 1 day of exposure. He recommends an evaluation of the ventilzation system, staggered departure times, increased capacity for the ventilation system, avoidance of needless idling of engines during periods of traffic congestion, employment of a traffic patrolman to direct traffic out of the garage, and the continued operation of the ventilation system until the garage is closed in the evening.
Keywords	Environmental surveys Industrial medicine Carbon monoxide Exposure Toxicity Inspection Hazardous materials Air pollution Concentration(Composition) Indoor air pollution Toxic substances Occupational safety and health SIC-7525 CAS 630-08-8
Source Agency	National Institute for Occupational Safety and Health
NTIS Subject Category	57U - Public Health & Industrial Medicine 57Y - Toxicology 94D - Job Environment 68G - Environmental Health & Safety 68A - Air Pollution & Control
Corporate Authors	National Inst. for Occupational Safety and Health, Cincinnati, OH. Hazard Evaluations and Technical Assistance Branch.
Document Type	Technical Report
NTIS Issue Number	198210

Hazard Evaluation and Technical Assistance Report No. TA 77-79, Department of Housing and Urban Development, Washington, DC.

Hazard Evaluation and Technical Assistance Report No. TA 77-79, Department of Housing and Urban Development, Washington, DC.
PB82157769

Publication Date	1978
Personal Author	Price, J. H.
Page Count	21
Abstract	Worker exposures to carbon-monoxide (630080) (CO) were surveyed at the Housing and Urban Development (HUD) parking garage (SIC-7525) on October 25 to 27, 1977. The evaluation was requested by HUD on behalf of 3 parking attendants and about 1,000 carpool members. CO concentrations ranged from 20 to 56 parts per million (ppm). The recommended OSHA limit is 50ppm. Attendants were exposed to sufficient CO to produce carboxyhemoglobin concentrations as high as 7.3 percent as compared with NIOSH recommended criteria of 5 percent. The author concludes that a hazard exists due to CO on 1 day of exposure. He recommends an evaluation of the ventilzation system, staggered departure times, increased capacity for the ventilation system, avoidance of needless idling of engines during periods of traffic congestion, employment of a traffic patrolman to direct traffic out of the garage, and the continued operation of the ventilation system until the garage is closed in the evening.
Keywords	Environmental surveys Industrial medicine Carbon monoxide Exposure Toxicity Inspection Hazardous materials Air pollution Concentration(Composition) Indoor air pollution Toxic substances Occupational safety and health SIC-7525 CAS 630-08-8
Source Agency	National Institute for Occupational Safety and Health
NTIS Subject Category	57U - Public Health & Industrial Medicine 57Y - Toxicology 94D - Job Environment 68G - Environmental Health & Safety 68A - Air Pollution & Control
Corporate Authors	National Inst. for Occupational Safety and Health, Cincinnati, OH. Hazard Evaluations and Technical Assistance Branch.
Document Type	Technical Report
NTIS Issue Number	198210