Lab Technicians are responsible for receiving, testing, analyzing, recording and reporting results of their tests. Their main duties and responsibilities include: Receiving, labeling and safely storing samples to be tested. Determining and performing tests needed for the analysis and report. Receiving, labeling and analyzing samples (blood, toxic, tissue etc.) Designing and executing laboratory testing according standard procedures. Conducting experiments under defined conditions to verify/reject various types of hypotheses using refined scientific methods.