Code of Federal Regulations (Last Updated: February 15, 2024) |
Title 49 - Transportation |
Subtitle A - Office of the Secretary of Transportation |
Part 40 - Procedures for Transportation Workplace Drug and Alcohol Testing Programs |
Subpart F - Drug Testing Laboratories |
§ 40.109 - What documentation must the laboratory keep, and for how long?
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§ 40.109 What documentation must the laboratory keep, and for how long?
(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.