About
Because of the risk of carbon-monoxide poisoning, this Alert provides a warning not to use equipment and tools which are powered by gasoline engines inside buildings or spaces which are partially enclosed unless the engine itself can be placed outdoors and away from air intakes.
Suggested citation
NIOSH [1996]. NIOSH Alert: Preventing Carbon Monoxide Poisoning from Small Gasoline-Powered Engines and Tools. Cincinnati, OH: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health. DHHS (NIOSH) Publication No. 1996-118.

![[thumbnail] (hidden)](/niosh/media/images/2026/05/96-118a.png)