The Netherlands Environmental Assessment Agency (RIVM/MNP) has adopted a guidance for uncertainty assessment and communication. An English version of the mini-checklist & quickscan questionaire as well as the quickscan hints and actions list is
now available from the download section.
More information can be found at the MNP (formerly RIVM/MNP) website.
The detailed checklist instrument of the guidance and the tool catalogue can be downloaded here.