I am so... not worried anymore about using wood ash, and a Nobel Peace Prize would be the icing on the cake! All kidding aside thank you for the reassurance.
Thank you all for your input. I know the ash does not get wet after it is put in my collection bucket (and it is dry when I put it in), so my main concern was after I spread it in their dusting areas and then it gets rained on is it safe (these are holes they have created around the yard)...
We recently installed a outdoor wood burning furnace. When my son cleans out the ash he puts it in a large pile in front of the furnace. When it has cooled down I place it in a large covered container to save to spread on top of the dust baths they have created around our yard. I just recently...