Building and Fire Research Laboratory Publications, is the first edition to reflect the combined publications of the Building and Fire Research Laboratory (BFRL) for calendar year. In the Center for Building Technology (CBT) and the Center for Fire Research (CFR) combined to form BFRL. This publication is a supplement to previous editions of Fire Research Publications and the Building Technology Publications. Contact the author if you would like information about the earlier editions. Only publications prepared by the members of the BFRL staff, by other National Institute of Standards and Technology (NIST) personnel for BFRL, or by external laboratories under contract or grant from the BFRL are cited.