This training course aims to give trainees knowledge and understanding in confined spaces atmosphere testing and allows trainees to view realistic scenes and be tested on their knowledge retention. 80% of all confined space fatalities are a result of hazardous atmospheres. Many of these fatalities occur because gas detectors were not used to test the atmosphere or if used hazards were missed or underestimated. WARNING: This eLearning course contains graphic re-enactments of accidents that may offend some viewers.