49 CFR § 40.183 Procedures for Transportation Workplace Drug and Alcohol Testing Programs

§ 40.183 What information do laboratories report to MROs regarding split specimen results?

Current through Sep 25, 2026 · Read all of Part 40

⚠ 1 pending change to Part 40

(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 Reconfirm” box (Step 5(b)) on Copy 1 of the CCF, as appropriate, and by providing clarifying remarks using current HHS Mandatory Guidelines requirements.

(b) As the laboratory certifying scientist, enter your name, sign, and date the CCF.

[65 FR 79526, Dec. 19, 2000, as amended at 73 FR 35972, June 25, 2008]

← § 40.181 What does the second laboratory do with the split specimen when it is tested to reconfirm a substituted test result?§ 40.185 Through what methods and to whom must a laboratory report split specimen results? →