Firefighter safety in BLEVE-possible situations When battling a propane tank frre or another ype of incident where a BLEVE is possible, National Institute for Occupational Safety and Health NIOSH recommends firefighters do the following: ‣ Keep as much distance from the fire as possible by using unmanned hose holders or monitor nozzles. ‣ Flood containers with large quantities of water to cool them until well after the fire is Out ‣ Avoid icing by not directing water at the source of a leak. ‣ B