Subpart F - Drug Testing Laboratories

§ 40.83 How do laboratories process incoming specimens?

As the laboratory, you must do the following when you receive a DOT specimen:...

Subpart F - Drug Testing Laboratories

§ 40.97 What do laboratories report and how do they report it?

(a) As a laboratory, when reporting a result of any kind, you must report...

Subpart G - Medical Review Officers and the Verification Process

§ 40.145 On what basis does the MRO verify test results involving adulteration or substitution?

(a) As an MRO,...

Subpart G - Medical Review Officers and the Verification Process

§ 40.159 What does the MRO do when a drug test result is invalid?

(a) As the MRO, when the laboratory reports...

Subpart I—Problems in Drug Tests

Subpart I—Problems in Drug Tests

§ 40.207 What is the effect of a cancelled drug test?

Subpart L—Alcohol Screening Tests

§ 40.245 What is the procedure for an alcohol screening test using a saliva ASD or a breath tube ASD?

Subpart O - Substance Abuse Professionals and the Return-to-Duty Process

§ 40.291 What is the role of the SAP in the evaluation, referral, and treatment process of an...

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