CLAS: i 1.0 seCuMtY cosine city OF - THIS r P ace (rhea Dore Entered) REPORT DOCUMENTATION PAGE 4. REPORT NUMBER 2. GOVT READ INSTRUCTIONS BEFORE COMPLETING FORM ACCESSION NO] 2. RECIPIENT'S CATALOG NWUNBER 5» TYPE OF REPORT & PERIOD COVERED 6. PERFORMING ORG, REPORT NUMBER a. CONTRACT OR GCRANT NUMBER(S) WT-916 (EX) @. TITLE (and Subtitle) Operation CASTLE - Project 2.5b Fallout Studies ~ 7. AUTHOR(s) E. F. Wilsey WT-916 (EX) R. J. French H. I. West, dr. 8. PERFORUING ORGANIZATION NAHE AND ADDRESS Chemical Corps 10. PROGRAM ELEMENT, PROJECT, TASK 12. REPORT OATE AREA & WORK UHIT NUMBERS Chemical Warfare Laboratories Army Chemical Center, Maryland 41. CONTROLLING OFFICE HAME AHD AODRESS Headquarters Field Command Armed Forces Special Weapons Project Sandia Base, Albuquerque, New Mexico , February 1956 aD WOMBER OF PAGES Ta. MONITORING AGENCY NAME & AOORESS(ifdifferent from Controlling Office) 1S. SECURITY CLASS. (of thie report) Unclassified 1TSe. OECL ASSIFICATION/ DOENGRADING SCHEDULE 16. DISTRIBUTION STATEKENT (af thls Report) Approved for public release; unlimited distribution. 17. OISTRIBUTION STATEMENT (of ‘theabstract “entered in Block 20, tt different from Report) T@. 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 DNA0O1-79-C-0455 with the close cooperation of the Classification Management Division of the Defense Nuclear Agency. 19. ae moe _— KEY WORDS (Continue on teverse vide if necetsary ond Identify by Block ru abort ee ee Operation CASTLE Fallout Studies Residual Contamination Particle Formation Radioactive Debris 70. DD ALSTRACT (Coatins cca reverse wide HDnecessary and Identity byblock nunter) Fr Mt9 Woon 1473 EDITION OF ! HOV ES TS CHSOLETE UNCLASSIFIED