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Could use the good wisdom of those cove people with practical experience in testing laboratories. Lots of questions, please feel free to reply to any.
1. Explain the difference between ILC and PT for a stand-alone testing lab that does analyses where there is not always general agreement on a standard method (marijuana testing). Must the lab use both to meet 5.4.5.2, or can it do comparisons internally among different sets of equipment or lab personnel?
2. If the lab outsources all of their equipment calibration to a 17025-accredited lab or to the equipment OEM, do they meet the 17025 requirement for calibration?
3. What is the expectation if a lab does ring comparisons, and finds they are an outlier? Must they have a procedure to diagnose their deviation from the crowd?
1. Explain the difference between ILC and PT for a stand-alone testing lab that does analyses where there is not always general agreement on a standard method (marijuana testing). Must the lab use both to meet 5.4.5.2, or can it do comparisons internally among different sets of equipment or lab personnel?
2. If the lab outsources all of their equipment calibration to a 17025-accredited lab or to the equipment OEM, do they meet the 17025 requirement for calibration?
3. What is the expectation if a lab does ring comparisons, and finds they are an outlier? Must they have a procedure to diagnose their deviation from the crowd?