On Sun, 01 Nov 2009 10:51:56 +0000, David Hansen
wrote:

On Fri, 30 Oct 2009 21:28:16 +0000 someone who may be John Rumm
wrote this:-

Back to the point however, it was not the general level of environmental
Hg I was particularly concerned about (neither are desirable) - more the
local levels following breakages etc.

I think that the "health & safety" lobby is going overboard on the
subject, the usual gold plating we see in the UK

You imply the opposite where the topic is Nuclear Power.

from people unable
to judge risks. Open a window if someone wants, but compared to
fillings it is a minor problem.

In large numbers it is a different issue, but I very much doubt if
more than one is broken in a house at any one time. I have broken
one or two since the early 1980s (obviously the old glass jar ones
were harder to break, but the ones without a glass jar have been
around for as long in the form of the Thorn 2D).

Derek