ctet is ls ] sendnenatchBenno:sn cis nl insasin tne aston casein Min, UNCLASSIFIED SECURITY CLASSIFICA™ Oy OF *=a'5 DAE Tren Date Enrared! “T : REPORT COCUMENTATION PAGE J 1. ] DNA 6028F 4. TITLE sand Subtdete) PROJECT TRINITY REPORT NUMBER BEFOSECONEETSSORM 2. GOVT ACCESSION NOY 3. RECIPIENT'S CATALOG NUMBER S. TYPE OF REPORT & PERICO COVEREO 1945-1946 . Technical Report 6. PERFORMING ORG. REPORT NUMBER JRB 2-816-03-423-00 7. ] AuTHOAM(e) 6. Carl Maag, Steve Rohrer DNA #001-79~C-0473 §. PERFORMING ORGANI ZATICN NAME AND ADORESS 19. PROGRAM ELEMENT. PROJECT, TASK AREA @ WORK UNIT NUMBERS JRB Associates 8400 Westpark Drive McLean, Virginia Subtask U99QAXM K506 08 22102 1h, COK TROLLING OFFICE NAME AND AQORESS 12. REPORT DATE Director Defense Nuclear Agercy Washington, D.C. 20305 14. CONTRACT OR GRANT NUMBER/(a) 10. NUMBER OF PAGES MONITORING AGENCY NAME @ AOCDRESS(if ditferans from Controlling Office) 1§. SECURITY CLASS. (of thie repor) UNCLASSIFIED | Sa, OECL ASSIFICATION’ DOWNGRADING SCHEOULE ‘6. OISTRIBUTICN STATEMENT (af thie Report) 7, CASTRIBGUTION STATEMENT (of tha abetract entered in Block 20, if different from Report) 18. SUPPLEMENTARY NOTES This work was sponsored by the Defense Nuclear Agency under RDT&E RMSS Code B350079464 U99SQAXMK50608 H2590D. Service, Springfield, VA 22161. 1%. For sale by National Technical Information KEY WORDS (Continus on raveree eida fi necestary and identify by block number) TRINITY Los Alamos Scientific Laboratory Alamogordo Bombing Range Manhattan Engineer District Personnel Dosimetry Radiation Exposure Nuclear Weapons Testing Manhattan Project 20. ABSTRACT (Camctins am reverve ofde if rmteronry ana identity ry block manber) This report describes the activities of an estimated 1,000 personnel, both military and civilian, in Project TRINITY, which culminated in detonation of the first nuclear device, in New Mexico in 1945. Scientific and diagnostic experiments to evaluate che effects of the nuclear device were the primary activities engaging military personnel. FO DO vias 7s 1473) LOTION OF 1 WOW 6S tS ORSOLETE UNCLASSIFIED SECUMTY CLASSIFICATION OF THIS PaGEe (Then Dera Entered) tte eee ‘ en we lt (s tr, fe Er 2 . er ¥ ~ ee 7 :