7 Shot Hamilton Gamma Doses at Project 4.2 Stations --------------------8 Shot Hamilton Alpha-Contamination Levels--------------------------9 Distance from Ground Zero to 10 r/hr Isodose Lines, Shots Hamilton and Humboldt ------------------------------- 26 28 28 10 Shot Humboldt Gamma Doses at Project 4.2 Station (Test Conditions)- -------- 29 FIGURES 1 Location of film-badge stations- ---------------------------------2 Station layout, Shot Hamilton -------------+----+---+----+---------3 Biomedical foxhole-and-vehicle array ------------------------------ 12 13 14 4 Station layout, Shot Humboldt ------------------------------------ 15 6 7 & 9 17 18 18 19 5 Cross section of Emmett device ---------------------------------- Emmett device mechanism- ----------------------------+ +--+ rrr Installation of Emmett device --------------------------- cre rrr eee Closeup of Emmett device during final installation-------------------~--Emmett device as installed ---------------------tere crt c cece 10 Film-badge station -----------------+---------------------+----- 11 Gamma dose times distance squared versus distance for Shots Fig, Hamilton, and Humboldt (test conditions) --------------12 Initial gamma dose versus distance for Shots Fig, Hamilton, and Humboldt, and prediction for a i-ton yield ------------------13 Ratios of measured initial gamma dose to predicted dose versus . distance for Shots Fig, Hamilton, and Humboldt - ----------------- 17 19 22 23 25

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