STS - Safe Training Systems Ltd simulation, simulators, surface contamination, fluorescence, fluorimeters, detection, radiation, NBC, CAM, pesticides, fluorescene, clothing contamination, skin contamination, whole body monitoring, contamination, cleaning validation, plumes, STS, Safe Training Systems, chemical warfare monitors STS makes a range of radiation simulators for training and a range of direct surface monitoring fluorimeters for whole body monitoring, cleaning validation and tracing, and monitoring surface contamination.