49 C.F.R. § 40.277 Are alcohol tests other than saliva or breath permitted under these regulations?
Title 49 - Transportation
No, other types of alcohol tests (e,g., blood and urine) are not authorized for testing done under this part. Only saliva or breath for screening tests and breath for confirmation tests using approved devices are permitted.
Title 49: Transportation
PART 40—PROCEDURES FOR TRANSPORTATION WORKPLACE DRUG AND ALCOHOL TESTING PROGRAMS
Subpart N—Problems in Alcohol Testing
§ 40.277 Are alcohol tests other than saliva or breath permitted under these regulations?