Also, om this shot, ProjecO G.§eé\Eall-cuti Mstribution}> attempted @ technique to describe the fall-out patterns using surface craft to samlethas: water for activity and determination of mixing parameters and using vertical - | activity: profiles with submerged rediao instruments. Although these efforter were limited imapplication to YANKER (complete reports being submitted by the two agencies involved), their major contribution was a demonstration of the feasibility of’these techniques and an impetus to more detailed andchre= ful, planning for the last shot. On tion wad May, information received from CTG 7.3 ralative to ship contamina=- passed to CINCPACFLT in aceordance with a post-BRAVO request by ; CINCPACFLT for such information. The advisory indicated that insignificant u¢ contamination existed on manned ships, that LCU's left in the lagoon at H-hour read as high as 2 r/hr average upon re-entry. ‘The 7 readings were given as follows: 6 LCU's = 275 ar/hrs 3 LCU's = 500 or/hr. The advisory further indicated that the lagoon was highly contaminated down current from GZ; no hazard was anticipated in the anchorage area, but sons delay was expected in the recovery mission. (Note: Activities of the AEC New York Operations Office had a consider~ able impact on task force post-shot cff-seite radsafe operations. Data from this source are being assembled by the Health and Safety Laboratory NYKOPO for presentation inthe fom of a detailed report. Only pertinent. excerpts from preliminary data were quoted above as they pertained to mijor portions of the task force Radsafe plans however, continucus daily close coordination with the New York Operations Offices group resulted in meh mutual interest assistance for all. FPurther, sintlar close contact we mintained with the project persornel, of Project 2.58. The results of the Project 2.5a effort will evencually be presented in the form of a WB report’. Since both these efforts included detailed studies of the off-site fall-out problems, it is suggested that any further study of this shot not over-look their final reports.) 8 Inels: l. 2. in Evaluation of Veathear Forecaats for YANKEE Tabulation of YANKEE pre=shot and post~shot winds from Task Fores 3. 4. 5s 6. 7. Forecast and Computed YLNKES air particle trajectories Y.NKEE Ground Zero Hodographs YsaNKEE Shoteday Ground Radiation Intensities On-site alr Radsafe Operatiors fur YANKEE Proiininary Results hii0P0 airborne Monitoring Survey Flights 8. Summry cf the Status of Transient Shipping in the PPA Area o/a Stations. ofa 5 lay 195% 5 May 1954 ° O-7 :