While independence is necessary for any laboratory to insure against bias, it is just a start. Without meaningful double blind unannounced proficiency-based testing of every technician conducted by yet and another independent certified set of laboratory auditors, then it means nothing. We also need the technicians to be true credentialed scientists having graduated from brick and mortar post-secondary institutions employing the scientific method in the discipline that they are formally trained in and not testifying beyond beyond the scope of their expertise. Finally, to make it have any sort of testing scientific meaningful, the methods must be robust and internally and externally validated.
-Justin J. McShane, Esquire, Pennsylvania DUI Attorney
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