Unusual Incidents Once the firing of the barge shots commenced at of the lagoon water was observed. After the firing beach on Enyu was closed for the duration of the dpe m. ontamination the swimming the beach had previously been closed because of the water contamination originating from surveys t the ay=< It was observed on the various rad-safe the water adjacent to the beaches of the northern islands of the atoll was generally much more contaminated than the islands. Several days were usually required for the silt and debris to move out through norma! — water circulation. Usual result of this water contamination was delay in mooring houseboats and the next shot barge. Fig. 3.5 site was intensities « barge on reef west of . vehi. ‘kint Atoll at H+4 hr, in milliroentgens per hour. 3.4 60758108) ©