An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This page shows Department of Transportation content pertaining to a specific tag. If you cannot find what you’re looking for on this page, please use the search box in the top right of our website.
§ 40.165 To whom does the MRO transmit reports of drug test results?
(a) As the MRO, you must report all drug test results to the DER, except in the circumstances provided for in §40.345 .
(b) If the employer...
§ 40.163 How does the MRO report drug test results?
(a) As the MRO, it is your responsibility to report all drug test results to the employer.
(b) You may use a signed or stamped and dated legible photocopy...
§ 40.160 What does the MRO do when a valid test result cannot be produced and a negative result is required?
(a) If a valid test result cannot be produced and a negative result is required, (under § 40.159 (a)(5)(iii) and...
(a) As the MRO, when the laboratory reports that the test result is an invalid result, you must do the following:
(1) Discuss the laboratory results...
§ 40.155 What does the MRO do when a negative or positive test result is also dilute?
(a) When the laboratory reports that a specimen is dilute, you must, as the MRO, report to the DER that the specimen, in addition to being...
(a) As the MRO, when you have verified a drug test as positive for a drug or drug metabolite, or as a refusal to test because of...
As an MRO, you are prohibited from doing the following as part of the verification process:
(a) You must not consider any evidence (...