Or — = We are also interested in world-wide fallout effects. a. What are the dangers to the world vopulation due to fallout of bomb debris? b. At what level of contamination of the stratosphere is there a serious problem? Let us discuss this list at your earliest convenience to determine the best method for obtaining assistance from the experts in biological effects. Sincerely, JOHN L. MAGEE JLM/1 3g cc: Dr. Paul Henshaw Dr. Douglas Worf DOE ARCHIVES.