Tunnel Test 2 : An ASTM fire test used to determine the rate of flame spread and the quantity of smoke developed, temperature, and heat produced from the surface of an 8 ft test sample burning in a convective draft
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}