AS/NZS 1605.1:2006 Methods for sampling and analysing timber preservatives and preservativetreated timber Part 1: General requirements, sampling, and determination of sapwood and heartwood presence
2006AS/NZS 1605.1:2006 Methods for sampling and analysing timber preservatives and preservativetreated timber Part 1: General requirements, sampling, and determination of sapwood and heartwood presence