——2-. - by BRAVO Survey of Dowiwind Atolls Contaminated -pyd = isstiogical EOL SUBJEOL- cg (Marsem — 1000' - 1800 Two partics in sml1 boats surveyed living arca ~ on Rongclap Island and castern half of Rongclap Atoll 29 ‘Warssth — o7cc - 1130 Two partics in small boats procecded from the I which ves stationed outside Utirik Atoll and surveyec Utirik and Aon Islands, the main islands of the Atoll O Veorctn - 1500 ~ 1700 Onc party in a small boat landed on tho outer reef of Bikar Island and surveyed the island, the o1. ’ largo island of Bikar Atoll, 3D Mexcin - O70C - 1100 Two partics in small boats proceeded from the IT which was stationed outside Rongcorik Atoll and surve: Eniwetak Island (where the Task Forco'ts Units had bec statianed) and tho other important islands of the Ato: 40 Merch — 1430 - 1960 Two partics in small boats proceeded fromthe I which was stationed outside Alinginac Atoll and surve the inhabited islands of the Atoll, r 1a Kerth - O7OC — U4,00 Onc party in a small boat survoyed the northwes! orn islands of Rongeclap Atoll and one party rechecked the living arcas on Rongelap Island and established a refercnco location for future decay measurcmonts. _ . 12 Nerch - Oo800 Survoy team arrived Eniwctok Atoll via DDE. tc following personnel fromtest projects in TG 7.1, TU 13, scrved as nbors of the murvey team: crbert Scoville, Jre oichard Rast Richard Soulo ‘almer Strope ° ~ - TU-13 Starf Project 2.05002 Projoct 2.54 Project 6.4 - uss NICHOLAS (DDE 449) supplicd boat crows under the dircction of LT Cliffc Pink Exocutive Officer, for surveys. 3 5e Instrumontation - Radisae set AN/PDR-39 was sclected as tho instrummt to be used in the © -39 woro calibratod with an 80 & of tho survey. Fivo (5) cach of AN/PDRrt ure, Tho calibration yiclded conduc source twonty-four hours before depa ng three of Curie ceyatien botween instruments - any scalo, Upon cross checki d of 0.320 r/t cl ion fi iat oe vinstruncat s » (a point of actual survoy) in a rad — g. din ts’ gave the samo rea tewae found that all threo instrumen Toso survoy moters wero subject to prolonged uso under adverso condsii-t f dammess (to the point of sca watcr splashing over them), salt depo : ts operated tage ntinual rough handling. With ono exception, all instrumn l y n, 4t; was found na da io e fi at th On er on ientlY for the durati of tho op antge ~ c