Eagle Eye Posted March 4, 2011 Share Posted March 4, 2011 I have a question for all chem. techs:If you have more than one instrument(same make and model), how do you rotate your PT testing? Link to comment Share on other sites More sharing options...
EWEVANS Posted March 21, 2011 Share Posted March 21, 2011 Per CAP you can just alternate between each analyzer each time you have a survey - if you have 3 analyzers and you get a survey 3 times a year you can do a different analyzer for each survey. However, if you have fewer surveys then analyzers you can have an issue, as I feel that each analyzer should have PT specimens run on it at least once each year. For analyzers that I run equally - I purchase the extra survey results and run on both - probably a little overkill, but it give another layer of trending against a larger peer-group then some QC materials will get you. Link to comment Share on other sites More sharing options...
dsun Posted April 6, 2011 Share Posted April 6, 2011 recently, CAP has limited labs to obtain more than one set of proficiency samples in some surveys. We have always run the same survey material on the second instruments for an internal documented accuracy check after the survey is submitted and graded. Link to comment Share on other sites More sharing options...
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