Federal (United States) · Regulations
Subpart F
18 sections
18 sections
- 49 C.F.R. § 40.81What laboratories may be used for DOT drug testing?
- 49 C.F.R. § 40.82What drugs do laboratories test for?
- 49 C.F.R. § 40.83How do laboratories process incoming specimens?
- 49 C.F.R. § 40.84How long does the laboratory retain specimens after testing?
- 49 C.F.R. § 40.85What are the cutoff concentrations for urine drug tests?
- 49 C.F.R. § 40.86What is urine validity testing, and are laboratories required to conduct it?
- 49 C.F.R. § 40.87What validity tests must laboratories conduct on primary urine specimens?
- 49 C.F.R. § 40.88What criteria do laboratories use to establish that a urine specimen is dilute or substituted?
- 49 C.F.R. § 40.89What are the adulterant cutoff concentrations for initial and confirmation urine tests?
- 49 C.F.R. § 40.90What criteria do laboratories use to establish that a urine specimen is invalid?
- 49 C.F.R. § 40.91What are the cutoff concentrations for oral fluid drug tests?
- 49 C.F.R. § 40.92What is oral fluid validity testing, and are laboratories required to conduct it?
- 49 C.F.R. § 40.93What validity tests must laboratories conduct on primary oral fluid specimens?
- 49 C.F.R. § 40.97What do laboratories report and how do they report it?
- 49 C.F.R. § 40.101What relationship may a laboratory have with an MRO?
- 49 C.F.R. § 40.107Who may inspect laboratories?
- 49 C.F.R. § 40.109What documentation must the laboratory keep, and for how long?
- 49 C.F.R. § 40.111When and how must a laboratory disclose statistical summaries and other information it maintains?