f At, fer Dorf ot at AAT OOS EMBPsOMD August 20, 1953 ir. D. MW. Davis Oak Ridge Nations] Laboratory P. O. Box P Oak Ridge, Termmessee Dear wr. Davis: . I would lile to thank you for arting as technical fallout during the Spring 1953 nuclear tests. It may be that y F g F 5 you were called on onlyinfrequently Health officials and others knew of a place to turn for advice Was a Valuable asest in maintaining good public relations. — The attached Atomic Energy Commission's Fourteenth Seni-/Annual Report to Congress givos a summary of the fallout data results for the past series. If you wish further information, I will be pleased to try to furnishit. Also attached is a slide rule for computing dose rates and total doses for fission producte, based on the <1.2 principle. I telieve the rule is in error in the marking of the 7th hour on the inmermost scale. Sincerelyyours, BEST COPY AVAILABLE cordon M. Dunning Division of Biology and iedicine Enclosures: Ijth Seni-Annmal Report Slide rule GMD :mlh __ OFFICE | BMBP SURNAME P| __ Dunning DATE > 8/ 20/ 53 ) WH>