7 5.4.5 Biological Sampling ---------------+------------------+----5.5 Insteumentation ---------------+-------------+-5------------5.6 Results and Discussion ------------+--------------------+---+-----5.6.1 Airborne Activity- ----------------------+-+--.--.---------5.6.2 Water Analysis -------------------------+--.------------5.6.3 Suspended Particulate Matter----------------.-------.------5.6.4 Lagoon Sediments -----------+---------------~-+-+-- +--+ ee 5.6.5 Pelagic Sediments -----------------+-----------+-----+-------5.6.6 Radioactive Contamination of Marine Organisms ------------------CHAPTER 6 113 113 114 114 114 115 116 117 117 CONCLUSIONS AND RECOMMENDATIONS -------------------- 133 6.1 Oceanographic Fallout Survey--------------------+--------------- 133 6.1.1 Duration and Extent of Surveys---------------+----~-------+--.---- 133 §.1.2 Rate of Penetration -------------+-----+--+-------+----+-------.- 133 6.1.3 6.1.4 6.1.5 6.1.6 Depth of Penetration- ----------------------+-2--+----+-+---Nav-Rad------+-------------+-+---+--+-+-+-----+------------Racioactive-Decay Measurements- -----------------+-+-+-+-+--+----Ocean Current Corrections ---------+--------------+---+--+----- 133 133 133 134 6.1.7 Cherokee Fallout Survey ----------------------2------------- 134 6.1.8 Zuni Fallout Survey -------------------+----------------+-- 134 6.1.9 Flathead Fallout Survey ---------------------2-+ ----- eee eee 134 6.1.10 Navajo Fallout Survey -----------------------+---+-------+--- 134 6.1.11 Tewa Fallout Survey-------------+-----------2---- +--+ ee 134 6.1.12 Fallout Surveys, General------------------------+-------+-+-- 134 6.2 Lagoon Radioactivity Survey- ----------+------+---+-+--+----------- 134 6.3 Deep-Moored Instrument Stations ---------+-+-----------+-----+-+--- 134 6.4 Radiological Investigations- ------------------------------------ 135 APPENDIX A CALIBRATION CONVERSION FACTORS FOR UNDERWATER PROBE MEASUREMENTS ----------------+--------------- 136 A.1 Point Source Calibration--------------------------+------+------ 136 A.2 Variation of Instrument Response to Photons of Various Energies Striking Normal to the Probe --------~------------------------- 136 A.3 Variation of Response with Angle of Incidence- ----------------------- 136 A.4 Variation with Photon Energy of the Response to Radiation Incident from All Angles -------------+-------+--+-----2------------- 136 A.5 Theoretical Response to Known Sources Underwater ------------------- 137 A.6 Measurement of the Response of the Probe to a Known Source Spectra in Water --+-----------+-------+2+-------2----+--------- 138 A.7 Comparison of Measured Response to the Computed Response for 4-1 Radiation in Water ------------------------------------- 139 A.8 Computation of Dose Rate at a Point 3 Feet Above an Infinite Hypothetical Plane Catching Fallout- ---------------+------------A.8.1 Theoretical Deviation of Dose Rate Above Fallout Plane- ------------A.8.2 Conclusions Regarding Numerical Conversion Factors- -------------A.9 Conclusions Regarding a Hypothetical 3-foot Dose Rate ----------------- APPENDIX B 139 139 140 140 PREPARATION AND INSTALLATION OF DEEP MOORINGS ------------------------- oe eee eee eee 150 B.1 Pretest Installations on USS Sioux (ATF 75) ------------------- ere re- 150 B.2 Mooring Wires ------------------- eccentrics 150 B.3 Mooring Components -------- ali 151 9

Select target paragraph3