§ 40.109 What documentation must the laboratory keep, and for how long?
Current wording, in the annual edition revised as of Oct. 1, 2001.
(a) As a laboratory, you must retain all records pertaining to each employee urine specimen for a minimum of two years.
(b) As a laboratory, you must also keep for two years employer-specific data required in § 40.111.
(c) Within the two-year period, the MRO, the employee, the employer, or a DOT agency may request in writing that you retain the records for an additional period of time (e.g., for the purpose of preserving evidence for litigation or a safety investigation). If you receive such a request, you must comply with it. If you do not receive such a request, you may discard the records at the end of the two-year period.
Amendment history
2 distinct wordings on file since Oct. 1, 1996- Oct. 1, 1996 → Oct. 1, 2001annual editions 1996–2000
A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section.