Manufacturing oxygen

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So oxygen is initially manufactured at an ASU, which is an Air Separation Unit that basically takes in atmospheric air and separates out the gases, the components of the air by a process of distillation, so it will take out oxygen and nitrogen primarily, and then and the other gases they will be stored as a liquid. That liquid oxygen will then be certificated as a medical product once it has been cleaned, and then that will be delivered to our production facility in a bulk tanker. We will then run that through our processes, turn it back into a gas, and then we will also analyze that gas to check for pharmacopoeia to make sure that it is still compliant with, to be a medicine. And then we will produce certificates for that and it will get signed off by our QPs for release to market.

So the purity of medical grade oxygen is a minimum of 99.5% pure oxygen, and then we also measure for carbon monoxide, carbon dioxide, and moisture levels as well, and they all have set limits that they have to meet, the gas has to meet to be able to pass as a medical-grade gas. So that is the difference between a medical-grade gas and, say, an industrial gas, is that we are working specifically to pharmacopoeia and our products are all monitored through their life cycle for any adverse reactions and things like this because it is a licensed product.