Thanks Dave
That is what I thought. I have been asked to do an internal audit of our test lab, which is UKAS approved, and the lab manager was saying that it requires a technical appraisal of the actual test methods undertaken. Like you said, I asked if documented test methods existed that I could audit for compliance against (as I am not a test expert), and he said 'not in all cases'.
To my mind this audit requires compliance and effective implementation to ISO17025, not technical evaluation of the tests themselves.
Its a bit like auditing the design requirements of ISO9001 and being expected to technically appraise the design itself !!