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NIOSH alert: preventing worker injuries and deaths from explosions in industrial ethylene oxide sterilization facilities (revised edition).
Palassis J; Matthiessen C; Santiago A; Hadley J; LaMontagne AD; Harris A
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2007-164, 2007 Aug; :1-33
The National Institute for Occupational Safety and Health (NIOSH), the U.S. Environmental Protection Agency (EPA), and the Ethylene Oxide Sterilization Association (EOSA) request assistance in preventing explosions at industrial ethylene oxide (EtO) sterilization facilities and EtO repackaging plants. EtO is a flammable gas. During sterilization procedures, EtO can easily form explosive mixtures when it is vented to certain types of emission control devices such as catalytic oxidizers. Between 1994 and 1998, EtO was involved in 10 explosions at industrial EtO sterilization facilities and EtO repackaging plants. One of these explosions caused 1 death and 59 injuries among workers. All of these incidents caused damage to the plants, most of which used catalytic oxidizers to control EtO emissions. This Alert informs owners, managers, supervisors, engineers, safety professionals, and workers about the explosions, injuries, and deaths that may occur at industrial EtO sterilization facilities and repackaging plants. Steps are recommended for preventing these explosions.
Flammable-gases; Workers; Explosive-gases; Explosion-prevention; Accident-prevention; Traumatic-injuries; Personal-protective-equipment; Control-technology; Catalysis; Oxidizers; Vapors
Dr. Paul A. Schulte, Director, Education and Information Division National Institute for Occupational Safety and Health, 4676 Columbia Parkway, Cincinnati, OH 45226-1998
Numbered Publication; Alert
NTIS Accession No.
DHHS (NIOSH) Publication No. 2007-164
National Institute for Occupational Safety and Health
Page last reviewed: November 6, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division