BI —-— 2. ~ SalRono RUE Be yore a Gxrsz 22 3 26 lb "9 7 @ 20 Ue 7 WR 0800 eco 6 7 5 wz 10 8 mR 9606 3 lb 6 MR -9ego 5 &R oeo0 6 MAR » | g | : | 5S. Three (3) barges, ten (10) LCUs and ten (10) Lode ware anchored or scored portion of the lagoon off ENYU Island (shout 20 uiles from , ne ° but all were heavily contaminated by radioactive fallout to such exter that about twelve (12) hours after shot time, they had a radioactive intensity averaging several roentgens per hour. Subsequently, all were washed dom with hoses from other veesels (the high pressure hoses of GYPSY proved particularly effective as GYPSY was maneuvered successively in the close vicinity of these eraft), followed by a thorough decontamination by additional hosings and scrubbings by decontamination personnel who, by this time, were able to board the craft. -/1] these measures were sufficiently effective that ave radLoactive intensity of thease craft is now only about two (2) mr per hour (gamma only). 6. By three (3) days after the shot; all the water in BIKINI Lagoon had becoms slightly contaminated with radioactive material. Contamination waa of the order of one microcurie per liter, Fortunately, drinking water produced by ships evaporators from lagoon water has shown no activity, ‘The salt water systems, such as evaporators, condensers, fire mains, etc:, on most ships K-52