DOT Outlines Correctable and Fatal Flaws in Laboratory Chain of Custody.

Drug Detection Report, March, 2001

In order for specimens tested under Department of Transportation (DOT) regulation to with-stand challenges and legal scrutiny, they must ad-here to detailed chain-of-custody procedures, but the department says there is a difference between flaws in the procedures that can be corrected and those that cannot.

All DOT specimens are inspected for fatal flaws and correctable flaws, and are tested for five drugs: methamphetamine, THC, opiates, phencyclidine (PCP) and cocaine.

In addition, under the revisions to the DOT drug and alcohol testing program issued in December 2000 (49 CFR Part 40), all specimens will be subject to validity testing effective Aug. 1, said Kenneth Edgell, acting director of the DOT Office of Drug and Alcohol Policy and Compliance....

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