TABLE B.16 ELEMENTAL ANALYSIS OF DEVICE ENVIRONMENT The sea water analysis is after Sverdrup (Reference 64), except U which was determined from a Bikini lagoon water sample taken just prior to Tewa. The remaining analyses were made at NRDL for Project 2.6a, Operation Castle (Reference 63), except the Ca and Mg reef values which were estimated from Reference 65. Element Sea water Fraction by weight Surface Coral Reef and Lagoon (Zu and Fl) Floor (Tewa) and Lagoon Floor (Na) Observed Operational Backgrounds (mg/2.6 ft?) Sea Stations How Island 0. 354 0. 0051 2.1640. 92 2.49+0. 86 4.1542.27 4.1220.97 Ca Na 0. 00040 0. 01056 0. 340 0. 0033 K 0. 00038 0. 00001 0. 0003 0. 00026 0. 4240.09 0.51+0.11 Cc} Mg 0. 01898 0.00127 0. 0023 0. 0260 0. 0017 0. 0110 0. 0020 0. 0185 1.3140. 39 1.6340. 33 2. 67 (?) 2.5021.07 | U Pb Cu 3x 107° 4x 107° 8xio7* * * 1.6 1078 * « 1.6 x 1078 * * 1.6 x 1078 t 0.9€20.05 0.3040.09 t 0.9640.05 0.26+0.07 Fe 2x 1078 * Not available. 4.2 107 0. 368 0. 0069 Avg. Surface 0. 0002 0.000121 0.8640.14 0.6540.15 ft Not detectable. d. Cages 993 hem 34) Delete 221