DOT Rule 49 CFR Part 40 Section 40.191 Q&A
§40.191; §40.193 ...
Drug Testing
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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, you have refused to take a drug test if you: (1) Fail to appear for any test (except a pre-employment test) within a reasonable time,...DOT Rule 49 CFR Part 40 Section 40.185
Subpart H - Split Specimen Tests§ 40.185 Through what methods and to whom must a laboratory report split specimen results? (a) As the laboratory testing the split specimen, you must report laboratory results directly, and only, to the MRO at his or her place of business. You must not report...DOT Rule 49 CFR Part 40 Section 40.183
Subpart H - Split Specimen Tests§ 40.183 What information do laboratories report to MROs regarding split specimen results? (a) As the laboratory responsible for testing the split specimen, you must report split specimen test results by checking the “Reconfirmed” box and/or the “Failed to...DOT Rule 49 CFR Part 40 Section 40.181
Subpart H - Split Specimen Tests § 40.181 What does the second laboratory do with the split specimen when it is tested to reconfirm a substituted test result? As the laboratory testing a urine split specimen, you must test the split specimen using the confirmatory tests for...DOT Rule 49 CFR Part 40 Section 40.179
Subpart H - Split Specimen Tests § 40.179 What does the second laboratory do with the split specimen when it is tested to reconfirm an adulterated test result? (a) As the laboratory testing the split specimen, you must test the split specimen for the adulterant detected in the...DOT Rule 49 CFR Part 40 Section 40.177
Subpart H - Split Specimen Tests § 40.177 What does the second laboratory do with the split specimen when it is tested to reconfirm the presence of a drug or drug metabolite? (a) As the laboratory testing the split specimen, you must test the split specimen for the drug(s)/drug...DOT Rule 49 CFR Part 40 Section 40.175
Subpart H - Split Specimen Tests§ 40.175 What steps does the first laboratory take with a split specimen? (a) As the laboratory at which the primary and split specimen first arrive, you must check to see whether the split specimen is available for testing. (b) If the split specimen is...DOT Rule 49 CFR Part 40 Section 40.173
Subpart H - Split Specimen Tests§ 40.173 Who is responsible for paying for the test of a split specimen? (a) As the employer, you are responsible for making sure (e.g., by establishing appropriate accounts with laboratories for testing split specimens) that the MRO, first laboratory, and...DOT Rule 49 CFR Part 40 Section 40.171
Subpart H - Split Specimen Tests§ 40.171 How does an employee request a test of a split specimen?
(a) As an employee, when the MRO has notified you that you have a verified positive drug test and/or refusal to test because of adulteration or substitution, you have 72 hours from the time of...