"Franz Heymann" wrote in message
...

And uranium is radioactive and hence carcinogenic :-)

As is tritium. Think of all those trutium-laden granite houses in
Cornwall. But it is also not polite to speak about that, for fear of
upsetting the housing market.

Franz




Radon gas is the bigger problem here in Cornwall Franz. But we can get our
houses tested for radioactivity free of charge.

Oll an Gwella

PaulF