Subpart I - Problems in Drug Tests

40.191	What is a refusal to take a DOT drug test, and what are the consequences?
40.193	What happens when an employee does not provide a sufficient amount of urine for a drug test?
40.195	What happens when an individual is unable to provide a sufficient amount of specimen for a pre-employment, follow-up, or return-to-duty test because of a permanent or long-term medical condition?
40.197	What happens when an employer receives a report of a dilute urine specimen?
40.199	What problems always cause a drug test to be cancelled?
40.201	What problems always cause a drug test to be cancelled and may result in a requirement for another collection?
40.203	What problems cause a drug test to be cancelled unless they are corrected?
40.205	How are drug test problems corrected?
40.207	What is the effect of a cancelled drug test?
40.208	What problem requires corrective action but does not result in the cancellation of a test?
40.209	What problem requires corrective action but does not result in the cancellation of a test and do not require correction?
40.210	Are drug tests other than urine permitted under the regulations?