Random Testing Consortium RTD Process Urine Test Return to Duty Process DOT Consortium Drug & Alcohol Testing DOT Drug & Alcohol Consortium DOT Random Testing Consortium DOT Consortium Service Owner operator DOT Random Consortium Consortium Random Testing Pool Need a TPA or C/TPA DOT Random Testing Pool DOT/Non-DOT Drug Testing FMCSA Drug Testing Consortium Nationwide FMCSA Drug & Alcohol Consortium https://gomdnow.com/