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DOT Rule 49 CFR Part 40 Section 40.85

Subpart F - Drug Testing Laboratories

§ 40.85 What drugs do laboratories test for?
As a laboratory, you must test for the following five drugs or classes of drugs in a DOT drug test. You must not test “DOT specimens” for any other drugs.
(a) Marijuana metabolites.
(b) Cocaine metabolites.
(c) Amphetamines.
(d) Opiate metabolites.
(e) Phencyclidine (PCP).
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