Pascal 2 : (Pa) In the SI system, a unit of pressure. One pascal equals one newton of force acting over one square metre; to convert pounds per square inch to pascals, multiply by 689(4)
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}