Thanks for this info. This is a disturbing document. The everybody-knows-iodine-can-be-lethal line shows no source. Because everybody knows. Most of the other statements are referenced but the one claiming lethality is not. This could only happen because the authors felt the existing prejudice about Iodine was so strong it didn't need to be referenced.
Also, disturbing: the authors state the FDA got its policies from a nonprofit organization, The National Academy of Sciences. Where is the accountability there?
The documents we want are with commercial bakers. How did the react to policy changes? We need to find the document that reads, "we are switching from potassium iodate to potassium bromate this week because..."