FOREWORD This report has had classified material removed in order to inake the information available on an unclassified, open publication basis, to any interested parties. This effort to ceclassify this report has been accomplished specifically to support the Department of Defense Nuclear Test Personnel Review (NIPR) Program. The objective is to facilitate studies of the low levels of radiation received by some individuals during the aluospheric nuclear test program by making as much information as possible available to all interested parties. The material which has been deleted is all currently cl. ssified as Restricted Data or Forinerly Restricted Data under tic provision of the Atomic Energy Act of 1954, (as amended) or is Neticnal Security Information. This report has been reproduced directly from available copies of the original material. The locations from which i,aterial has been deleted is generally obvious by the spacings ana "holes" in the text. Thus the context of the material deleted is identified to assist the reader in the deterinination of whether the celeted information is germane to his study. It is the belief of the individuals who have participated in preparing this report by deleting the classified material and of the Deferse Nuclear Agency that the report accurately portrays the contents of the original and that the deleted material is of little or no significance to studies into the amounts or types of radiation received by any individuals during the atmospheric nuclear test program.