|Proficiency Test on Lead in Paint finished
The full report can be downloaded (as .pdf-file). To download the report, please click the right mouse button and choose the "save as" option.
Summary of this proficiency test:
On 13 June 2014, the proficiency test Total Lead in Paint (iis14V01) was finished. It started on 9 April 2014 (see message "Proficiency Test on Lead in Paint started" on this website) when the samples were distributed.
In this interlaboratory study 134 laboratories in 34 different countries have participated.
The participants were asked to analyze the samples on Total Lead content.
The proficiency test report summarises per test, the test results, the analytical methods reported by the participants and the z-scores calculated for each participant are tabulated. Also, for each test, the calculated summary (e.g. mean, standard deviation and reproducibility) is given.
In the report also an evaluation of the test results is given. Problems encountered in the analyses are mentioned and - where possible - suggestions for quality improvement are formulated.