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Introduction Deterioration of Wood Biotic Agents Decay Fungi Characteristics of fungi Conditions necessary for decay of wood Mold and stain fungi Insects Termites Subterranean termites Dry wood termites Carpenter ants Carpenter bees Powderpost beetles Marine Borers Abiotic Agents Weathering Fire Minimizing the problems of wood Careful selection of wood Drying Coating Impregnating wood with preservatives Wood treating processes Brushing and dipping In-field and remedial treatments Pressure treating processes Full cell processes - the Bethell process Empty cell processes Rueping process Lowry process Preparing wood for treating Quality standards in treating Wood preserving chemicals Summary