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 2008-10-01 Government source
eCFR editorial compilationAuthoritative but unofficial
View source As the laboratory testing the split specimen, you must test the split specimen using the confirmatory tests for creatinine and specific gravity, and using the confirmatory criteria set forth in § 40.93(b).
[73 FR 35973, June 25, 2008]