The trial period ran from January to June 2012. During this period participants submitted results for three General Compatibility surveys. For survey 1, one letter was sent to a participant. For survey 2, three letters were sent to participants. Survey 3 is still being processed however early indications are that there will be some letters sent for nonparticipation of results and incorrect results.
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The Role of External Quality Assurance in Identifying Poor Laboratory Performance(PDF 518 KB)