2023 DOT Random Testing Rates Notice

January 10, 2023

DOT has provided the 2023 DOT Random Testing Rates.

 

The chart below outlines the annual minimum drug and alcohol random testing rates established within DOT Agencies for 2023.

DOT Agency 2023 Random Drug Testing Rate 2023 Random Alcohol Testing Rate
Federal Motor Carrier Safety Administration [FMCSA] The random rates did not change for 2023. Because the random rates did not change, FMCSA is not required to publish a notice in the Federal Register. The rate last changed in 2020. 50% 10%
Federal Aviation Administration [FAA] 2023 Random Rate Federal Register Notice 25% 10%
Federal Railroad Administration [FRA] 2023 Random Rate Federal Register Notice 25% - Covered Service 25% - Maintenance of Way 50% - Mechanical (Effective 03/04/2022) 10% - Covered Service 10% - Maintenance of Way 25% - Mechanical (Effective 03/04/2022)
Federal Transit Administration [FTA] 2023 Random Rate Federal Register Notice 50% 10%
Pipeline & Hazardous Materials Safety Administration [PHMSA] 2023 Random Rate Federal Register Notice 25% N/A

Note: Employers (and C/TPAs) subject to more than one DOT Agency drug and alcohol testing rule may continue to combine covered employees into a single random selection pool.

 

USCG covered employees may be combined with DOT covered employees in drug testing pools even though the USCD is now part of the Department of Homeland Security.

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