On Thu, Mar 5, 2015 at 1:05 AM, Christina Wahl <[log in to unmask]> wrote:
  As you wrote, they are also using information provided by the
product registrants.  I do remember that he was quite concerned, that
did stick with me.

There is a problem with information provided by the product
registrants:  it is not necessarily public.  In PEI when imidacloprid
was  first given an emergency registration (first in north america)
the soil half life results the company contracted (done in the field
not lab) were private.  Our access to information commissioner told me
they were proprietary information.  I found out later from the company
(Bayer) when they studied my bees that the half life in PEI soil
initial test results were 455 days (low organic matter in potato
fields).  Our  PMRA would not register such a product so the company
redid the testing with a different protocol (which I do not know
because it is proprietary).

Stan

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