§40.42. Where does a urine collection for a DOT drug test take place? — Inbound Citations

(7) The fact that a test was conducted in a facility that does not meet the requirements of § 40.42;

(a) As stated in § 40.42(f)(2), if you are conducting a urine collection in a multi-stall restroom and you cannot secure all sources of water and other substances that could be used for adulteration and substitution, you must conduct a monitored collection. This is the only circumstance in which you must conduct a monitored collection.