Frequency of Selection: How often should selections take place under an employer’s random testing program?

Part 382 requires that random testing be spread reasonably throughout the calendar year. [§382.305(k)(2)]  Random tests must be unannounced. Further answers on random test selection may be found at the Office of Drug and Alcohol and Policy (ODPAC) ODAPC’s Best Practices for DOT Random Drug and Alcohol Testing.