49 C.F.R. § 40.181

What does the second laboratory do with the split specimen when it is tested to reconfirm a substituted test result?

Last amended: 2023Year: 2026Length: 37 wordsOfficial source

Cite as 49 C.F.R. § 40.181 (2026)

As the laboratory testing a urine split specimen, you must test the split specimen using the confirmatory tests for creatinine and specific gravity, using the criteria set forth in § 40.88. [88 FR 27646, May 2, 2023]
Cross-references to the CFR
40.88.
49 C.F.R. § 40.181: What does the second laboratory do with the split specimen when it is tested to reconfirm a substituted test result? | Justis AI