enna oo, Mawes k . oe ee eee. ome BEER ak a ee eene Se mm ae eene Mee LR ee oe me . CEERI ION CONTENTS (Continued) Page 2.9.3 Ion Chamber Type Field Survey Instruments 2.9.4 Alpha and Neutron Proportional Counters 2.9.5 Laboratory Instruments . . . 2.9.6 Special Instruments . . . 2.9.7 General Comments . . . . . 2.10 Dosage Records . . . . . . . CHAPTER3 RESUME . 37 37 38 38 38 39 . . . . . . . . 41 Introduction . Conclusions . Recommendations . . . . . . . . . . . . . . . . . . . . . 41 41 41 APPENDIX A SHOT ISLAND SURVEYS, DOG . . . 43 APPENDIX B SHOT ISLAND SURVEYS, EASY. . . 51 APPENDIX C SHOT ISLAND SURVEYS, GEORGE . . 61 APPENDIX D SHOT ISLAND SURVEYS, ITEM APPENDIX E MAJOR ITEMS OF EQUIPMENT 3.1 3.2 3.3 69 . . . 73 ILLUSTRATIONS CHAPTER 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 Fall-out Activity, Parry, Dog Shot. : . . Decay of Dog Shot Fall-out GammaActivity Rise and Decline of Fall-out Activity on Several Atoll Islands West of Engebi, Easy Shot. . . Rise and Decline of Fall-out Activity on Several Atoll Islands East and Southeast of Engebi, Easy Shot. Course of B-17 Yellow How, 9 May 1951. . Survey Meter Readings on B-17 Yellow How, 9 May 1951 Cumulative Gamma Doses, Dog Shot Fall-out . . Cumulative Gamma Doses, Dog and Easy Shots Fall-out Gamma Dosesto 27 April 1951 . . . . . Gamma Doses to 15 May 1951. . . . . GammaDose Rate, Item Shot Fall-out . . . Cumulative Gamma Doses, Item Shot Fall-out . . Gamma Doses to 28 May 1951. . . . . APPENDIX A A.l A.2 A.3 OPERATIONS 14 15 17 18 22 23 26 27 28 30 31 32 34 SHOT ISLAND SURVEYS, DOG Runit Survey, 0900 9 April 1951, D+1 . Runit Survey, 0900 10 April 1951, D+2 Runit Survey, 0930 11 April 1951, D+3 . . . . . Me emme ek eae 8 conh woe 20! + oe YE new ree ee 45 46 47