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DOT Rule 49 CFR Part 40 Section 40.211

Subpart J - Alcohol Testing Personnel

§ 40.211 Who conducts DOT alcohol tests?
 
(a) Screening test technicians (STTs) and breath alcohol technicians (BATs) meeting their respective requirements of this subpart are the only people authorized to conduct DOT alcohol tests.
 
(b) An STT can conduct only alcohol screening tests, but a BAT can conduct alcohol screening and confirmation tests.
 
(c) As a BAT- or STT-qualified immediate supervisor of a particular employee, you may not act as the STT or BAT when that employee is tested, unless no other STT or BAT is available and DOT agency regulations do not prohibit you from doing so.
 
Updated: Tuesday, November 6, 2012