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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 49
Chapter A
Part 40
Subpart C - Subpart C—Specimen Collection Personnel
§ 40.31 - Who may collect specimens for DOT drug testing?
§ 40.33 - What training requirements must a collector meet for urine collection?
§ 40.35 - What training requirements must a collector meet for oral fluid collection?
§ 40.36 - What information about the DER must employers provide to collectors?
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