In the Netherlands the major part of treated timber is sold under the KOMO-certificate. The National Directive for vacuum pressure treated timber on which certification is based, is currently being revised. The new National Directive will contain a code of good practice including maximum leaching figures. It incorporates quality requirements for treated timber, existing legislative requirements and guidelines on site hygiene, storage, safety and other requirements on the treatment plant. The objective is to make the KOMO-certificate mandatory for all treated timber which is produced, imported and traded in the Netherlands. The legal implications within the framework of European legislation are currently being scrutinised. The new Netherlands National Directive will have consequences for national timber treating companies and foreign companies producing for the Dutch market.

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