Article which gives a summary of events, BLEVE basics and NFPA notes. On July 29, 1956, 19 firefighters were killed while battling a fire at the Shamrock Oil Refinery in northern Texas. This incident caused the fourth largest loss of firefighter lives in U.S. history.
Newspaper article on the Shamrock-McKee fire. "19 DIE, 31 INJURED IN OIL TANK FARM EXPLOSION, FIRE."