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News Archive

General Content

DOT Vendor Communication Plan

Please see the PDF above for the full “DOT Vendor Communication Plan.

The U.S. Department of Transportation (DOT) spends over $6 billion annually on contracts for goods and services....

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.83

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:...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.145

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,...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.159

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...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.191

Subpart I—Problems in Drug Tests

§ 40.191 What is a refusal to take a DOT drug test, and what are the consequences?
 
(a) As an employee,...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.207

Subpart I—Problems in Drug Tests

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

 
(a) A cancelled drug test is neither positive nor negative.
...