Regulationhistorical
49 CFR 40.181
What does the second laboratory do with the split specimen when it is tested to reconfirm a substituted test result?
Snapshot 2023-10-01 Government source
eCFR editorial compilationAuthoritative but unofficial
View source 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]