Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

DOT Rule 49 CFR Part 40 Section 40.229

Subpart K - Testing Sites, Forms, Equipment and Supplies Used in Alcohol Testing

§ 40.229 What devices are used to conduct alcohol screening tests?
ASDs listed on ODAPC’s web page for “Approved Screening Devices to Measure Alcohol in Bodily Fluids” and EBTs listed on ODAPC’s web page for “Approved Evidential Breath Measurement Devices” are the only devices you are allowed to use to conduct alcohol screening tests under this part.  You may use an ASD for DOT alcohol tests only if there are instructions for its use in this part.  An ASD can be used only for screening tests for alcohol, and must not be used for confirmation tests.
[65 FR 79526, Dec. 19, 2000, as amended at 66 FR 41954, Aug. 9, 2001; 82 FR 52246, November 13, 2017]