Carbon monoxide poisoning from use of gasoline-fueled power washers in an underground parking garage--District of Columbia, 1994.

On June 17, 1994, five workers in the District of Columbia were treated in an emergency department for carbon monoxide (CO) poisoning following exposure to the exhaust from two gasoline-fueled power washers (i.e., pressure washers), which they had used in an empty underground parking garage. These cases were identified by The George Washington University (GWU) Division of Occupational and Environmental Medicine (DOEM) through ongoing surveillance for work-related injuries among construction workers treated in the GWU emergency department (1). This report summarizes the results of an investigation by DOEM of this incident.