This is the 10th annual report of the results of the Federal Transit Administration's (FTA) Drug and Alcohol Testing Program. This report summarizes the reporting requirements for calendar year 2004, the requirements of the overall drug and alcohol testing program (49 CFR Part 40 and 49 CFR Part 655), the results from the data reported for 2004, and the random drug and alcohol violation rates (the percentage of persons selected for a random test who produced a positive specimen or refused to takethe test) for calendar years 1995 through 2004.