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Drug and Alcohol Testing

Employer FAQs


Employers of safety-sensitive transportation employees play a vital role in ensuring the safety of their employees and the traveling public.

The following are some of the questions the Office for Drug and Alcohol Policy and Compliance (ODAPC) and the Program Managers have received which did not require an interpretation but rather a general response. As such, the ODAPC staff thought that those subject to Department of Transportation (DOT) testing would benefit from...

DOT Guidance on Compliance with DOT Drug and Alcohol Testing Regulations

DOT Guidance on Compliance with Drug and Alcohol Testing Regulations [1]

March 23, 2020

This guidance document provides clarity to DOT-regulated employers, employees, and service agents on conducting DOT drug-and-alcohol testing given concerns about the Coronavirus Disease 2019 (COVID-19).  We, as a Nation, are facing an unprecedented public...

Part 40 DOT Policies Notice

DOT Drug Testing: Employer DOT Policies – the Part 40 Changes

The DOT Agencies & United States Coast Guard (USCG) have provided guidance to DOT-regulated employers about what their DOT policies will need to contain about the changes to 49 CFR Part 40, which are effective January 1, 2018.

  1. The Federal Transit Administration, Federal Motor Carrier Safety Administration, Federal Aviation Administration, Pipeline and Hazardous Materials Safety...

DOT "CBD" Notice


The Agricultural Improvement Act of 2018, Pub. L. 115-334, (Farm Bill) removed hemp from the definition of marijuana under the Controlled Substances Act.  Under the Farm Bill, hemp-derived products containing a concentration of up to 0.3% tetrahydrocannabinol (THC) are not controlled substances.  THC is the primary psychoactive component of marijuana.  Any product,...

DOT Agency MIS Data

Federal Bill H. R. 6. the “Substance Use-Disorder Prevention that Promotes Opioid Recovery and Treatment for Patients and Communities Act” or the “Support for Patients and Communities Act” was signed into law on Wednesday October the 24th 2018 by President Trump.  A copy of the bill can be found at

DOT Rule 49 CFR Part 40 Section 40.135 Q&A

§§ 40.135; 40.327                                                                   01/18QUESTION:During the verification interview, the MRO may learn about a legally prescribed medication that would likely make the employee medically unqualified or would likely pose a significant safety risk.  Section 40.135(e) requires the MRO to tell the employee to have his/her prescribing physician contact the MRO to discuss...

SAP Certification Organizations

The following certification organizations have met the requirements in §40.283 to obtain recognition for the SAP credential for it's members:National Association of Alcoholism and Drug Abuse Counselors Certification Commission (NAADAC)- Credential: Drug an Alcohol CounselorInternational Certification Reciprocity Consortium (ICRC)- Credential: Alcohol and Other Drug AbuseNational Board for...