Bromide limits in tree nuts

What are the limits of Bromide in tree nuts(Brazil nuts).

How to reduce the amounts of bromide after fumigation.

Thanks

Flour Mill?

Wow, Tree Nuts. not sure how I missed that... The best way is get air into the place. At the flour mill we had a 3 day shut down when we would fumigate then yould open all the windows and get air through the plant and were always good.