49 CFR Subpart F
Drug Testing Laboratories
November 18, 2020
§
40.95
What are the adulterant cutoff concentrations for initial and confirmation tests?
§
40.96
What criteria do laboratories use to establish that a specimen is invalid?
§
40.97
What do laboratories report and how do they report it?
§
40.93
What criteria do laboratories use to establish that a specimen is dilute or substituted?
§
40.81
What laboratories may be used for DOT drug testing?
§
40.83
How do laboratories process incoming specimens?
§
40.85
What drugs do laboratories test for?
§
40.87
What are the cutoff concentrations for drug tests?
§
40.89
What is validity testing, and are laboratories required to conduct it?
§
40.91
What validity tests must laboratories conduct on primary specimens?
§
40.99
How long does the laboratory retain specimens after testing?
§
40.101
What relationship may a laboratory have with an MRO?
§
40.107
Who may inspect laboratories?
§
40.109
What documentation must the laboratory keep, and for how long?
§
40.111
When and how must a laboratory disclose statistical summaries and other information it maintains?
§
40.113
Where is other information concerning laboratories found in this regulation?
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