[Hill Walker]

Originally Posted by st06nc2

Here are 10 gases that make up clean air: In order of highest to lowest concentration they are Nitrogen, Oxygen, Argon, Carbon dioxide, Neon, Helium, Methane (CH4), Krypton, Hydrogen, and Xenon. There is small quantities of hydrogen in the air at sea level, 1 out of 2,000,000 atoms/molecules of air is hydrogen

Nobody in their right mind would consider a resource at 0.000005% availability as a recoverable asset. Recovery costs would probably be in excess of £100,000/litre.