UNCLASSIFIED SECURITY CLASSIFICATION OF THIS PAGE (Phen Date Entered) REPORT DOCUHKENTATION PAGE wee, 1. REPORT MUMBER . READ INSTRUCTIONS BEFORY COMPLETRO ORM 2. GOVT ACCESSION WO] 3. RECIPIENT'S CATALOG HUMBER AFSWP-978 (EX) 4 TITLE (end Subtitie) 5. TYPE OF REPORT & PERIOD COVERED &. PERFORMING ORG. REPORT WUNBER &. CONTRACT OR CRANT NUMBER(S) Evaluation of Radioactive Fall-Out J. AUTHOR(a) 2. PERFORMING ORGANIZATION NAME AnD ADDRESS Roy D. Maxwell Roger W. Paine, Jr. Thomas E. Shea, dr. Harold H. Mitchell Edwin R. Ballinger AFSWP-978 (EX) 10. PROGRAM EL EMENT. PROJECT, TASK 12. REPORT DATE AREA & WORK UNIT NUMBERS Armed Forces Special Weapons Project Washington, D. C. Th. CONTROLLING OF FICE NAME AND AODRESS $3. 12. MONITORING AGENCY NAME & AODRESS(il different from Contralling Ollice) 15 September 1955 13. WUMBER OF PAGES SECURITY CLASS, (of this report) Unclassified Se, 16. DECL ASSIFICATION/ DOWNGRADING SCREDULE OISTRIBUTION STATEMENT (of thie Report) Approved for public release; unlimited distribution. 17, OISTRIBUTION STATEMENT fof the abstract entered in Block 270, if dillesent irom Report) 16. SUPPLEMENTARY NOTES This report has had the classified information removed and has been republished in unclassified form for public release. This work was performed by Kaman Tempo under contract DNAQG1-79-C-0455 with the close cooperation of the Classification Management Division of the Defense Nuclear Agency. 1%. KEY PORODS (Continue on reverse side if necezsary and identify Sy block numbert Radioactive Fal1-Out Biological Hazards Radioactive Debris Physical Phenomena 20. . _ AESTRACT (Continue on reverse side If neceasary and Identify by block number) The purpose of this report is to assess the magnitude and extent of the hazard to human life imposed by radioactive debris deposited in the human environment by large numbers of nuclear weapons. Known physical facts, data from nuclear weapon test experience, and pertinent theoretical considerations are utilized to evaluate the extent of the hazard.