ТЕХНИЧЕСКИЙ ОТЧЕТ НОРДТЕСТ 569, 4ое издание
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
Nordtest EN 473 certificates
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.
Handbook for environmental laboratories
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 sampling scheme
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.