A Tritium Extraction Plant (TEP) is under construction at the Chalk River Nuclear Laboratories (CRNL) for the extraction of tritium from the heavy water moderator and coolant of research and power reactors owned by Atomic Energy of Canada Limited. Since the process equipment will contain a large inventory of tritium (∼20 g), plant operating personnel must be continually aware of process stream activity levels for economic reasons and promptly alerted in the event of leakage for personnel health protection purposes and inventory loss minimization. Consequently, the TEP is equipped with a number of tritium monitors for the continuous measurement of tritium contained in the process equipment, the building air and the plant exhaust stacks. This paper outlines the approach taken to provide tritium monitoring at the TEP for health protection, environmental and process requirements and describes the general features of specific monitors in each classification.