49 CFR § 40.211 Procedures for Transportation Workplace Drug and Alcohol Testing Programs

§ 40.211 Who conducts DOT alcohol tests?

Current through Sep 25, 2026 · Read all of Part 40

⚠ 1 pending change to Part 40

(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.

← § 40.210 What kinds of drug tests are permitted under the regulations?§ 40.213 What training requirements must STTs and BATs meet? →