Average Upper Gas Layer Temperature : Temperature based on the average of the four ceiling quadrant thermocouples and the center of the room ceiling thermocouple
NFPA 265 Standard Methods of Fire Tests for Evaluating Room Fire Growth Contribution of Textile Coverings on Full Height Panels and Walls, 2007 ed. http://www.baibiao.net/picture/18120461517.pdf, (Std: Meth of Fr Tst for Evaluating Room Fr Growth Contribution of Textile Coverings on Full Height Panels and Walls - Amer) {279 NFC}