1. AWPA (2006a) Standard P506. Standards for waterborne preservatives. In: American wood protection association book of standards, AWPA, Birmingham, AL
2. AWPA (2006b) Standard A7–04. Standard for wet ashing procedures for preparing wood for chemical analysis. In: American wood protection association book of standards, Birmingham, AL
3. AWPA (2006c) Standard A3–05. Standard for determining penetration of preservatives and fire retardants. In: American wood protection association book of standards, AWPA, Birmingham, AL
4. AWPA (2006d) Standard E11–06. Standard method of determining the leachability of wood preservatives. In: American wood protection association book of standards, AWPA, Birmingham, AL
5. AWPA (2007) Standard E24–06. Standard method of evaluating the resistance of wood product surfaces to mold growth. In: American wood protection association book of standards, AWPA, Birmingham, AL