"The Invalid" wrote in message
...
On Sun, 10 Sep 2006 21:01:46 +0100, "Trevor"
wrote:

As my spinach is growing away nicely in the poly tunnel with it's roots
touching the tannalised timber sides of the bed , it occured to me - is
this
safe?


I have a deep bed for some veg which uses Tannalised timber for the
sides with no problems

Any idea what chemicals they use in the process? I don't think they use
ARSENIC any more!