§40.181. What does the second laboratory do with the split specimen when it is tested to reconfirm a substituted test result?
49 C.F.R. § 40.181
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.
Notes, amendments, and revision history
Amendments
[88 FR 27646, May 2, 2023]
Authority
Authority: 49 U.S.C. 102, 301, 322, 5331, 20140, 31306, and 54101 et seq.
Source
Source: 65 FR 79526, Dec. 19, 2000, unless otherwise noted.
Amendments
[88 FR 27646, May 2, 2023]