> Since bees don't eat soil, any residues in the soil
> would need to be translocated by the plants into either nectar or pollen.
> Residue levels in those products are easily measured.

But has anyone done it?  If not, how was it decided, and by whom, that a two 
year period was appropriate?

Best wishes

Peter
52.144442, -1.503509 

             ***********************************************
The BEE-L mailing list is powered by L-Soft's renowned
LISTSERV(R) list management software.  For more information, go to:
http://www.lsoft.com/LISTSERV-powered.html