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Drug and Alcohol Testing

In This Section

DOT Rule 49 CFR Part 40 Section 40.193

Subpart I—Problems in Drug Tests § 40.193 What happens when an employee does not provide a sufficient amount of specimen for a drug test?   (a) If an employee does not provide a sufficient amount of specimen to permit a drug test (i.e., 45 mL of urine in a single void, or 2mL oral...

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...
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