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https://www.ecfr.gov/current/title-49/subtitle-A/part-40
https://www.ecfr.gov/current/title-49/subtitle-B/chapter-VI/part-655
https://www.dea.gov/drug-information/drug-scheduling
https://www.transportation.gov/contact-us
US DOT Marijuana 12-12.pdf
49 CFR 40.139 (up to date as of 2-01-2024).pdf

49 CFR 40.139

Poppy seeds, "contact highs",  etc... are not an acceptable explanation

2-24

https://www.ecfr.gov/current/title-49/section-40.139

Drug Scheduling.pdf

Drug Enforcement Agency (DEA)

Drug Scheduling 

https://www.dea.gov/drug-information/drug-scheduling

Controlled Substances A-Z 12-23.pdf

Controlled Substances List

Alphabetical Order

12-23

https://www.deadiversion.usdoj.gov/schedules/orangebook/c_cs_alpha.pdf

49 CFR Part 40 Subpart G (up to date as of 2-01-2024).pdf

49 CFR 40 

Subpart G

Medical Review Officers (MRO)

and the Verification Process 

2-24

https://www.ecfr.gov/current/title-49/part-40/subpart-G

49 CFR 40.21 & 49 CFR 655.5.pdf

49 CFR 40.21

49 CFR 655.5

Standing Down an Employee Prior to Verification

2-24

https://www.ecfr.gov/current/title-49/section-40.21

https://www.ecfr.gov/current/title-49/section-655.5

49 CFR Part 655 (up to date as of 2-01-2024).pdf

49 CFR 655 

Prevention of Alcohol Misuse and Prohibited Drug Use in Transit Operations

2-24 

https://www.ecfr.gov/current/title-49/part-655

Drugs of Abuse 2020-Web Version-508 compliant-4-24-20_0.pdf

Who issues authoritative interpretations of this regulation? 

ODAPC and the DOT Office of General Counsel (OGC) provide written interpretations of the provisions of this part. These written DOT interpretations are the only official and authoritative interpretations concerning the provisions of this part. DOT agencies may incorporate ODAPC/OGC interpretations in written guidance they issue concerning drug and alcohol testing matters. Only Part 40 interpretations issued after August 1, 2001, are considered valid.

49 CFR 40.5 

https://www.ecfr.gov/current/title-49/section-40.5 

Contact Us

Office of Drug & Alcohol Policy & Compliance

1200 New Jersey Ave, SE
Washington, DC 20590
United States

Email: ODAPCWebMail@dot.gov
Phone: 202-366-3784
Alt Phone: 800-225-3784
Fax: 202-366-3897

If you are deaf, hard of hearing, or have a speech disability, please dial 7-1-1 to access telecommunications relay services.

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This website and those involved, related, and/or associated with  it assume no duty to resolve or clarify any inconsistent information that might be a part of the website.  

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This website and those involved, related, and/or associated with  it assume no duty to resolve or clarify any inconsistent information that might be a part of the website.  

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The content of this website, such as graphics, images, text and all other materials, is provided for reference and educational purposes only. The content is not meant to be complete or exhaustive or to be applicable to any specific individual's situtation.

This website and those involved, related, and/or associated with  it assume no duty to resolve or clarify any inconsistent information that might be a part of the website.  

This website is not an attempt to practice finance or provide specific financial advice.  The content on this website is not intended to be a substitute for professional financial advice. Always consult with a qualified and licensed financial professional, and follow their advice without delay regardless of anything read on this website.

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