IV intensities down still further.. By 36 hours after the first contam— ination was ovetved, fopside intensities on all ships averaged less tHian 25 s/he en = ol. . . Be "Three——‘ten LCUs and tea Lois had been ‘anchored or _ moored in the, southeast portion of Bildini“tegen, off Enyu Island, 4 . ie.was not considered practicable or sate to tale prior to the‘atote then to sea in’ the‘prevailing ‘weather. ‘BELLE GROVE was Loaded to ‘capacity with 18Lats and the Bilcini based AVR, Since these craft left in the Lagoonrere|about20 niles from ground zero, they suffered “no! danege fron‘idastheator waveaction. But they were“a heavily ‘contaminated. |"Teves‘hours’af after shot time they had radioactive inten:“sitdes ‘averaging&several,‘oentgens per hour. > Oa be ns On the day following the Oo“hetwhen shipe,‘peontered the lagoon, decontamination ofthe small . ae .“erate res begun. They:were first, hoseddow by other Vessels, notably * nr = ..“rsthowas,ents’“anpoyed, for several,‘days, then hosed and scrubbed. “ar tape ev oy ‘decontamination personnel when they" could get aboard. “Work contin ~ “ued| throughout thedaylight hours‘unté2 by 6 March intensityLevels” an oe, - were reduced to the point whereai‘tatswere ‘back in operatione wee ze - Po “9. After the shot there was“considerable contamination of the , ~ ak Spite * fms” | . go w . . Po ae me wz =a 2 wae : + te y * é aa vod reukolk Fad sie a lagoon water,‘but’"it was pentrated in the northwestern ‘end of the lagoon. ‘Ships wereease° enter and anchor in the lower Lagoon with out danger. 4 periodof light winds left the lagoon waters calm, with less than norinal circulation, while the radiogctive solids in the water settled to the bottom, and intensities were reduced by decay. 2