Grain Dust Explosion
Dust Explosion Injures 4 Mon, 09/15/2014 - 10:20am FELICIA FONSECA, Associated Press FLAGSTAFF, Ariz. (AP) — Flames from welding equipment touched off a grain-dust explosion at a NestlĂ© Purina plant in Flagstaff Sunday, burning two workers severely and leaving two others with less serious burns, authorities said. The four contractors were welding about 5 p.m. on the fifth floor of the complex's seven-story grain elevator when their torches sparked grain dust and set off the blast, Flagstaff Fire Department Capt. Bill Morse said. One man was severely burned and taken by air ambulance to the Arizona Burn Center at Maricopa Medical Center in Phoenix, and another man with severe burns was transported by ground ambulance to the same center, Morse said. A third man suffered moderate burns and was taken to the Flagstaff Medical Center, while another man with less serious burns was treated and released from the center, Morse said. The explo...