Diaare _————— Tre highest empevst of racioectivity in tne ares studiea + lagoon is on the oceanyfloor in the region of CaSTLE falicin. The top of cne deep sea core taken 10 miles northwest or Bikini Lagoon tested 29,500 cpm/gr..3 sediment from the northwest end of the lagoon emitted 45,000 cpm/g. Presumably both vere frea BRAVO event at CASTIE. the lagoon, the tottom ~ Elsewhere in sediment generally emitted froz 1500 to 4eCO ern/z coupered with a usual 1000 to 3000 cyn/g in tne fallout urea cutside the lagoon. Sampling of bottom livins crgsrnisms outside the Legocn is, the highest activity end this was cuistandingly concentrated in the livers and kidneys (52,060 to 84,000 gamma con /g in the open sea area, rmensurements of currents verified 42sec Tt oF > . tm cruises, tut more expiicit information was cbtaine? ite wir MOBRGAGT + < 4. 4 fe om call Vim tee deat > s ings» ana eadies coninate the flow: in the Istitude of7 Sisini: the nevth side af the PRC t+ a te depths of at least 500 ueters, ‘fe oo <s to ps - tp 7 bg! 7 oy - el the main flew westvaerd is iccased at a oy LC vie el -- LOeGnG Gorn The current attains 0.6 to 0.7 lot speed and everages 0.3 to C.% knot; thence it cecreases to a maximum of 0.3 knot and average of C.15 knot at 500 meters depth. Bikini to 1760 meters in the nerthwestern part of the trea. 7 us “Hy a 9 rr a oC ct o f3 & A o ‘ ry ee n Li 1" 4 Ou j-t td se as My & fa wa Q J © D od Q or} yy o e ne) Ww @ Cc o tq oO “ The thickness of the wind stirred leyer above the The