> > that's 10,000 m^3 or about say 20,000,000 kg of material. Now
> > look at the occurrence tables :-)
>
> Probably do a nice side-business in radon too

Pennsylvania, USA has a pretty good business in that too.  :(
--
D. Jay Newman           ! DCX - it takes off and lands base down,
jay@sprucegrove.com     !       as God and Robert Heinlein intended.
http://enerd.ws/robots/ !

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