In message , Andy Hall
writes
On Mon, 7 Jul 2003 20:20:11 +0100, "Lawrence Milbourn"
wrote:

Of course, Granite is a source of Radon gas! Commonly found under the
floors in Devon and the Lake District among other places.

Kitchens aren't exactly unventilated, which is what's important...


.... And I very much doubt that the average kitchen work top has the
thousands of cubic metres in it to release any appreciative quantity of
Radon
--
geoff