A Russian version of the Nordtest report Trollboken NT TR 569 ed. 4 is now launched. It is a translation of the edition 4 of the book. Download the report free of charge here: Trollboken - Russian - NT TR 569 ed4
Ultimo 2011 11.742 certificates were valid (maximum 5 years old). This is a growth of 50 % in ten years. The figure shows the development. The curve is both new issued with exam and reissued without exam and for all three levels of certification.
Update of 3rd edition
A new version of third edition of the Handbook for Calculation of Measurement Uncertainty in Environmental Laboratories has now been launched - NT TR 537.
Certification of environmental samplers
Quality sampling is a prerequisite for accurate environmental monitoring and control. Sampling variability is generally much higher than the analytical variability, often by a factor of 100 or more for environmental monitoring and control. Certification of samplers is one way to ensure and prove quality sampling.