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Welcome to Gas Detector Competence Training, your key to proper use and understanding of the tool that keeps you safe in a confined space or suspect environment I’m your tour guide, Jason Call, and I’m going to walk you through what you need to know about the hidden dangers of confined spaces and the proper operation of your gas detector. First thing- Gas detectors will save your life. Every year, gas detector manufacturers receive calls thanking them for their life saving products. Unfortunately, every year, there are also stories of those who didn’t use their gas detector correctly or at all. I was doing a class in Arizona with a group of guys in a wastewater facility and they said, “Did you hear what happened this morning?” No, what happened? They said there were three guys in Scottsdale, Arizona, who were supposed to clean out a grease pit at a Buffalo wild wings. Somehow, they found themselves in a nearby sewer manhole. They opened it up and they went in. ALL THREE GUYS? One was the owner of the company, the other was an 18 year old nephew and the other was an employee. They did something in there that filled the space with 1200-1500ppm H2S. 500ppm will kill you in about 15-30 mins. The only one who survived was the 18 yr old and when the first responders arrived, they could smell the H2S as they approached the property. The 18 year old was lying half out and half in the manhole. He’s lucky to be alive today. The problem? They either didn’t have a gas detector or they had one and didn’t know how to use it. In fact, the most common factor among deaths and injuries in confined spaces and hazardous atmospheres is that the worker didn’t have a detector, didn’t know how to use it, or, and this is the one that gets me, the alarm went off and it bothered them so they turned it off and stayed in the confined space...forever.