Abstract: Employee #1 and another employee were spraying lacquer primer on woodwork inside of an apartment. The other employee went out to the van and heard an explosion inside of the apartment. A pilot light on the furnace or water heater ignited the vapors as Employee #1 began to spray the lacquer on the furnace door. The other employee ran to the door of the apartment and saw Employee #1, engulfed in flames, emerge from the door of the apartment. The employee tried to put the flames out and rolled Employee #1 on the ground. That was not effective and another witness brought a blanket to wrap around Employee #1 to extinguish the flames. Employee #1 was flown by helicopter to the local burn center where he was found to have third degree burns over 90 percent of his body. Employee #1 died approximately 14.5 hours later from his injuries.