SUBPART F—Drug Testing Laboratories (§40.81 to §40.113)
- 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?
- 40.93—What criteria do laboratories use to establish that a specimen is dilute or substituted?
- 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?
- 40.99—How long does the laboratory retain specimens after testing?
- 40.101—What relationship may a laboratory have with an MRO?
- 40.103—What are the requirements for submitting blind specimens to a laboratory?
- 40.105—What happens if the laboratory reports a result different from that expected for a blind specimen?
- 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?