(LP-Gas or LPG) A colorless, nontoxic, gas liquefied by compression; it has a flash point of -1000F, an ignition temperature of 800 to 10000F, and is obtained as a by-product in petroleum refining
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}