IRGIWP 99-10312 THE INTERNATIONAL RESEARCH GROUP ON WOOD PRESERVATION Section 1 Biology Preliminary Indications of the Natural Durability of Spruce Bark Board P.l. Morris 1 2 J. K. Grace G .E. Troughton 1 1 : Forintek Canada Corp. 2665 East Mall, Vancouver, BC Canada, V6T 1 W5 2 • University of Hawaii 3050 Maile Way, Honolulu USA, HI 96822 Paper prepared for the 30th Annual Meeting Rosenheim Germany 6th -11th June 1999 IRG Secretariat SE-100 44 Stockholm Sweden