A.1
A.2
A.3
A.4
A.5
Detector Unit -~----------- ee ee -- ee ee e e ee rr ee ee ee eee
Recorder System -------------+-+-+--------- ee rt rr ree re ee ee eee
Design Limits for Operation ---------ae
Shock Mounting -~------------------- ee ee rr rr rr rr ee eee
Remote-Starting Circuit ------------------------------- eee
APPENDIX B
82
82
83
83
83
GITR CALIBRATION- ------------------ tte ce rc re rr rte
87
B.1 Biased- Field Calibrations ---------------------+--+--------+- eee
B.2 Corrections for Calibration Bias ----------------+-+-----+----------
87
87
APPENDIX C
C.1
C.2
CALIBRATION, AND ESTIMATES OF ERROR -
99
Calibration----~+---------+ - 22 er ee rer err ee rr rr rr err re
Estimates of Error ---------- ++ +--+ eer rrtret rerrr errtee
99
99
APPENDIX D
FILM-BADGE DATA,
TABULATIONS OF GAMMA-~RADIATION HISTORIES- ------------ 126
TABLES
2.1 GITR Dose-Rate Ranges ----+-----~-++---------- esr re ree rr rte
3.1 Twenty-Four-Hour Gamma Doses at GITR Stations,
Based Upon GITR Data ------+---------- +--+ cee ee ee eee eee
3.2 Compartments Probably Influenced by Ingress of Radioactive Contaminants ---3.3 Average 24-Hour Gamma Doses Aboard Target Ships,
Based Upon Film-Badge Data------------- 3+ +e re ce eecrtree
3.4 Ratios of Gamma Dose in Compartments to Dose on Weather Decks,
Based Upon Average Film-Badge Data-----------+---+-----+----+3.5 Athwartship Variation of 24-Hour Gamma Doses Aboard DD 474,
Based Upon Average Film-Badge Data--------~---------+-----+-3.6 Athwartship Variation of 24-~Hour Gamma Doses Aboard DD 592,
Based Upon Average Film-Badge Data--------~--------+---------
3.7 Athwartship Variation of 24-Hour Gamma Doses Aboard DD 593,
19
31
31
82
33
33
34
Based Upon Average Film-Badge Data----------+-+-------------Comparisons of 24-Hour GITR and Film-Badge Doses at GITR Stations----~---Comparisons of GITR and Film-Badge Ratios of Dose at GITR Stations
to Average Dose on Weather Decks -----------+-+-------------+-3.10 Estimated Dose Contributed by Remote-Source Radiation Observed
34
35
on Washed Weather Decks of the Target Ships --------------------
36
4.1
Summary of Gamma Radiation Data for Washed Weather Decks ------------
79
Aluminum Drum) to Beams of Various Radiations ~--------------+-B.2 Directional Response of High-~Range GITR Detector (Inside 0.13-Inch
Aluminum Drum) to Beams of Various Radiations ----------------B.3 Directional Response of Low-Range GITR Detector (With 0.13-Inch
Aluminum Jacket) to Beams of Various Radiations -----------------
89
3.8
3.9
B.1 Directional Response of Low-Range GITR Detector (Inside 0.13-Inch
B.4 Directional Response of High-Range GITR Detector (With 0.13-Inch
Aluminum Jacket) to Beams of Various Radiations--------------+--Directional Response of Low-Range Detector (Mounted Inside GITR
Case) to Beams of Various Radiations --------------------~----B.6 Directional Response of High-Range Detector (Mounted Inside GITR
Case) to Beams of Various Radiations --------~--------------+--B.7 Gamma Dose Rates Contributed by Various Intervals of Assumed
Gamma-Energy Spectra- --++--------------~--------------+--
35
89
90
90
B.5
91
91
92