49 C.F.R. § 40.179 What does the second laboratory do with the split specimen when it is tested to reconfirm an adulterated test result?
Title 49 - Transportation
As the laboratory testing the split specimen, you must test the split specimen for the adulterant detected in the primary specimen, using the criteria of §40.95 just as you would do for a primary specimen. The result of the primary specimen is reconfirmed if the split specimen meets these criteria.
Title 49: Transportation
PART 40—PROCEDURES FOR TRANSPORTATION WORKPLACE DRUG AND ALCOHOL TESTING PROGRAMS
Subpart H—Split Specimen Tests
§ 40.179 What does the second laboratory do with the split specimen when it is tested to reconfirm an adulterated test result?
