Abstract
Participation in proficiency testing schemes is necessary and beneficial for all testing laboratories across the world. Laboratories in developing countries face particular challenges in this context. These have been discussed during the last 10 years at various international workshops organized by Eurachem. An online survey on the developments during this period has been performed, and the results are presented here. Affordability and availability of proficiency tests as well as transport and customs issues are still the major problems. Installation of national or regional schemes could solve some of these problems, but their sustainability is a challenge. Finally, the author’s personal opinion on the conclusions that can be drawn from the results of the survey is given.
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