"Grimly Curmudgeon" wrote in message
...
On Fri, 7 Dec 2012 17:03:00 +0000, QuackDuck
wrote:

so I wonder if anyone has any ideas
what this could be, so we can get it sorted before everyone goes away?

Bloody cabbage eaters. All you need is a few odds and sods of cabbage
bits lobbed in a corner or a whole cabbage forgotten about and the
whole place has a whiff of gas.


+1








Or a rat under a floorboard - takes a while for the smell to go away,
but can pong for months.