3.5 Radiochemical Characteristics of Fallout -- --~-------------~----3.6 Uptake of Fission Products by Zooplankton - -----------~---~----- 53 57 BLAST EFFECTS ---------------------------+----- 58 CHAPTER 4 4.1 Structures Program ---------------------- errr creer 53 Crater Survey ----------------- ------- re er re ee eee 4.3 Tree-Stand Studies ~ --------------+--+--+----+------ eee eee 61 4.2 4.4 Minefield Clearance ----------~-------------+-+-+2--+---------- CHAPTER 5 66 67 ACCIDENTAL EXPOSURE OF HUMAN BEINGS TO FALLOUT -------- err rt rr rr rr rrr rrr rrr 71 TESTS OF SERVICE EQUIPMENT AND TECHNIQUES ----~---- 73 6.1 Effects on Aircraft in Flight ------------+-------+-- ee - ee e- 73 CHAPTER 6 6.2 Contamination and Decontamination Studies---~--~~-------------6.2.1 6.2.2 6.2.3 6.2.4 6.2.5 6.2.6 6.2.7 Operational Results -------~------- 3-2 ee cer ee ere rte ere Washdown System Evaluation -------- +r rrr tere rr terre Ship-Shielding Studies ------~- wren mma meee Airborne-Activity Studies ------- srr ter ttt rrr ttt tren Radiation Surveys --7 7-7 r crt rte ttt wm terete Decontamination Studies --------- tt tt ret ttre Protection of Personnel in Radiation Fields ---~---~---------- 6.3 Operational Evaluation of Indirect-Bomb-Damage Assessment ~~--~----7-- cat em en eee ee en 6.4 Ionosphere Studies ~~ ~----- 7 rrr tr rrr ttt rrr etre CHAPTER 7 79 81 al 82 82 63 34 q7 38 a1 LOW-RANGE DETECTION - --~----------------------- 92 7.1 Electromagnetic Effects ----------- errr rrr rrr tr ttt 7.1.1 Pulse Identification --~------ rt rrr rt rt ttt rr 7.1.2 Pulse Characteristics- ~------ rrr rrr rt rt ttre 7.1.3 Field Strength ~--------- rrr rrr rr rrr tet ttt re 7.1.4 Yield Determinations -------~------ ttre ttt rte 69 93 93 93 33 7.1.6 Ionosphere Data --------------- rrr errr 44 7.1.7 Peripheral Lightning ------------- rrr rst ttt tt rete 94 7.2 Airborne Low-Frequency Sound --~------- crc srt ttt ttt rn 94 7.2.1 Detection Ranges ----------- rr eter rte 95 7.2.2 Signal Characteristics ~--~-------- rt rrr treet ttre 95 7.2.3 Travel Speeds - -----~----- mre rrr rn 96 7.2.4 Azimuth Errors ----~--7--- reer rrr ret ran 97 7.2.5 Yield --~------ 7 rrr rr rr er rae 97 7.2.6 Directional Effects--------------- cer crc 98 7.2.7 Equipment -------- eer tr rt rrr rr rrr rss 98 7.3 Analysis of Nuclear-Device Debris ------------ crt ttre tren 98 7.3.1 Radiochemical Analysis of Particulate Debris--+----~----------- 98 7.3.2 Petrographic Analysis ~------------- rrr rte rt rr rere 100 7.3.3 Specific Beta Activity -~---------- 0 torr ctr tt tr 100 7.3.4 Operation of the Squeegee Sampler ----~------ 77 ert orton 100 12