Title 49

PART 40 SUBPART F

Subpart F - Drug Testing Laboratories

• 49 U.S.C. 102, 301, 322, 5331, 20140, 31306, and 54101 et seq.
• 65 FR 79526, Dec. 19, 2000, unless otherwise noted.

49:1.0.1.1.30.6.43.1	SECTION 40.81	40.81 What laboratories may be used for DOT drug testing
49:1.0.1.1.30.6.43.2	SECTION 40.83	40.83 How do laboratories process incoming specimens
49:1.0.1.1.30.6.43.3	SECTION 40.85	40.85 What drugs do laboratories test for
49:1.0.1.1.30.6.43.4	SECTION 40.87	40.87 What are the cutoff concentrations for drug tests
49:1.0.1.1.30.6.43.5	SECTION 40.89	40.89 What is validity testing, and are laboratories required to conduct it
49:1.0.1.1.30.6.43.6	SECTION 40.91	40.91 What validity tests must laboratories conduct on primary specimens
49:1.0.1.1.30.6.43.7	SECTION 40.93	40.93 What criteria do laboratories use to establish that a specimen is dilute or substituted
49:1.0.1.1.30.6.43.8	SECTION 40.95	40.95 What are the adulterant cutoff concentrations for initial and confirmation tests
49:1.0.1.1.30.6.43.9	SECTION 40.96	40.96 What criteria do laboratories use to establish that a specimen is invalid
49:1.0.1.1.30.6.43.10	SECTION 40.97	40.97 What do laboratories report and how do they report it
49:1.0.1.1.30.6.43.11	SECTION 40.99	40.99 How long does the laboratory retain specimens after testing
49:1.0.1.1.30.6.43.12	SECTION 40.101	40.101 What relationship may a laboratory have with an MRO
49:1.0.1.1.30.6.43.13	SECTION 40.107	40.107 Who may inspect laboratories
49:1.0.1.1.30.6.43.14	SECTION 40.109	40.109 What documentation must the laboratory keep, and for how long
49:1.0.1.1.30.6.43.15	SECTION 40.111	40.111 When and how must a laboratory disclose statistical summaries and other information it maintains
49:1.0.1.1.30.6.43.16	SECTION 40.113	40.113 Where is other information concerning laboratories found in this regulation

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