Dear Drs. Morgan and Lipoti:

The following are my comments on the July 18, 2007, SAB review of the EPA draft White paper “Modifying EPA Radiation Risk Models Based on BEIR VII” for your consideration at the September 5, 2007, teleconference call and in the process of finalization of the review.

Issue 1: “Exposed” and “non-exposed” populations

Comments to the Science Advisory Board of the EPA