You are the entry supervisor for entry into a Carbon Monoxide (CO) Tank. Your meter is equipped with an Oxygen Sensor, but it does NOT have a CO sensor. You proceed with your atmospheric testing, as you were told years ago that as long as the Oxygen was over 19.5% that all will be OK. What you do not know is that CO is a “magic asphyxiant”, technically called a “Chemical Asphyxiant” and regardless of how much O2 is present, you can still be entering an atmosphere where your body will NOT care how much O2 is available. Our entrants will suffer from a life-threatening situation called Oxygen Deprivation. Here is what happens: (Members can see more below the video)
