> Worldwide production of xenon in 1998 was estimated at 5,000–7,000 m3 O2 annual production is 1e11kg presumably from 5e11 of air (20% of air is O2.) Xenon o

> Worldwide production of xenon in 1998 was estimated at 5,000–7,000 m3 O2 annual production is 1e11kg presumably from 5e11 of air (20% of air is O2.) Xenon occurs 1:1e7 so that air should also yield 50,000kg by mass, or 8500m3 by volume. Sounds about right. I’m guessing then O2 buyers don’t care to subsidise the Xe market.