Proficiency Test for PCBs in (Mineral) Oil 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. Download the report (iis13L06) of this Proficiency Test on PCBs in (Mineral) Oil For viewing the report you will need Adobe Acrobat Reader
Summary of this proficiency test: On 23 January 2014, the proficiency test on PCBs in (Mineral) Oil (iis13L06) was finished. It started on 23 October 2013 (see message Proficiency Test on (Mineral) Oil, started on this website) when the samples were distributed. In this interlaboratory study 44 participants in 19 different countries have participated. The samples were evaluated on Total organohalogenic compounds (TOX), Polychlorinated biphenyls as PCB and
Polychlorinated biphenyls as Arochlor.
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. For each test
a comparison is made between the results of the group of participants and
the requirements given by the relevant standard (e.g. ISO, EN, ASTM).
|