Most, if not all, states have regulations that govern workplace testing.  Due to the fact that there are 50 different sets of rules and that they are often dynamic in nature, Intoximeters tries to, but is not always up to date on the latest requirements for each and every state.  Many companies consult with legal counsel specializing in employment law when establishing a company policy regarding drug/alcohol testing. If your company is required to conduct drug and alcohol testing under one of the Federally mandated workplace alcohol testing programs (i.e.; the U.S. Department of Transportation, the Nuclear Regulatory Commission, or another federal agency regulation) it is probable that these federal regulations supersede state laws.