Welcome to EDTS EDTS - European Drug Testing Service - prevents and provides support in counteracting alcohol and drug abuse in the workplace. We contribute to creating a safer working environment and a production without disruptions. By identifying and preventing abuse, we help both companies and employees. We have extensive experience and very good knowledge that provides solid support to the organization. EDTS works under secrecy with respect for the individual and uses well-proven and reliable working methods. Here you can read more about EDTS and our services. The whole organization wins from a collaboration with us! EDTS prevents and identifies abuse in companies. We offer qualified services in the form of complete solutions that include drug policy and action programs, safe drug tests and customized training. We have our own samplers throughout Sweden and Norway. The goal is drug-free workplaces and a safer work environment. EDTS expands cooperation with Previa September 2016 On behalf of Previa, EDTS will perform random drug tests within Aptum. The tests will start in the autumn of 2016.