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Health hazard evaluation report: HETA-86-280-1788, Veterans Administration Medical Center, Ann Arbor, Michigan.
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 86-280-1788, 1987 Apr; :1-19
An environmental survey was conducted at the Veterans Administration Medical Center (SIC-8062), Ann Arbor, Michigan, because of the requester's concerns regarding the adequacy of the anesthetic gas scavenging system used in the fourth floor Surgery Service. About 50 to 60 staff members worked in this area. In the four operating rooms where general anesthesia was being administered, area and personal air samples were analyzed for nitrous-oxide (10024972) (NO2) and halogenated anesthetic agents. Three of five samples exceeded the NIOSH recommended exposure limit (REL) of 25 parts per million (ppm). Isoflurane (26675467) ranged from less than the limit of detection to 0.77ppm. The 0.5ppm REL for halogenated anesthetic compounds used with NO2 was exceeded by one of three samples. Some of the high levels were caused by the malfunction of an anesthesia cart during one procedure. Background levels of NO2 in two operating rooms where this agent was not in use averaged 2ppm and 5ppm, with one excursion to 53ppm. The author concludes that a potential exists for overexposure to nitrous-oxide and halogenated anesthetic agents for workers in the surgery service. The author recommends a comprehensive program for control procedures, work practices, monitoring procedures, and medical surveillance.
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; HETA-86-280-1788; NIOSH-Technical-Assistance-Report; Hazard-Confirmed; Region-5; Anesthetics; Halogenated-hydrocarbons; Nitrogen-oxides; Air-contamination; Author Keywords: General Medical & Surgical Hospitals; nitrous oxide; isoflurane; halogenated anesthetics; scavenging
Field Studies; Hazard Evaluation and Technical Assistance
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: February 7, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division