red . UNCLASSeg I. eeSENT RCGELAP AND ALLINGNAE (CCQUT'D) * , C Handbock 52 for lifstizs consunptions Tre Utirik eammles varied fron 1cO to 1000 tines the accepted tolerancere These datz indicstte the necess { tuy for thorousn cleaning of the cisterns defor re!ling fcr genersl consunpticn, : e © Existing conditicns zade Lt inorgctical to attenpt any assay for tha plutenius activity, which my be of iipertance in these sanples, 36 DCSE PaTeEs ed gc All oftherenaint.ng to Rengelap atoll, On Ronzelao Island, 2t the standard positicn established br Secvilie the reading at 0930 hours on 21 Aprnilwa6 17 mr/hr. This nezsuresent these =ade on LL and 26 March fit a desty formula 169¢-1,525 r/day (tb in days after 1 March) within abcut 3%, Cn 22 April readings wera rade cn other Rongel2p atoll Islends as follow ISLAD Tiaetck AVE, © MAX. 32 ur/nr DECAY EXPCUENT 34 ar/hr lib 2 stks-100 yds beach, just “1.46 north at westem seningesl , e Busch 17 ar/hr 21 ar/br Enizelo 20 uwfhr ----—-- STARE LCCAT INS 1 stk-50 zds beach, ce of path in south grove (no pricr datv2) 1 stk-scuth end of islind w "3 ww With reascnadle precisicn, these readings (ana that on Sifs Islin¢) neted on Parry Island during the z Q) 73 a ct S Mm a ti id §5 {a ws ty of “a a cy 6 ¢ 5 rr wou oO ) ty wm "1 iw oan. ct + bi “4 at Fe ta we 0a oO 3 2 ” 32 and en 2irt, were excel Corntentnatio slopes, where the c excess cof that st cone, grvumi at seme distenc Se Oe, dy wu cy - iu Ura, ard Bw ye J F aa Ta oO ae qe iu ae so wn mr w Ww 3 re (* qo ~~ wo as ao @ 4 eM aw t+ "1 28 —~og me te 4 aa Oo 4 40 w NW ta “s wx QQ 1. (a SY rer 2 tuts thas had few ¢ may (a sintlar shen= enncuse Operation), No excepticnal s & i} “an more distent gravel, 2 redfoactive particles tnat Landed cn the had been svect into the neirty eri lL by the : questicn was met ) oO fLrry, ¢t reading cn the bor se § about 13 ar/hr, w25 consistent! y! cgher 15 ar/nr, as though the survey, “has ene r lower than cver grass the roofless church Zz cf reading of abcut § ar/her, while the ¢ rning tc the status 10 cr HS *t 7 rey Island, it w3s noted, as om Vane 23 Ma areas (2bout 1§ ar/ir) wers cansiste 20 ar/hr), The sxcoth emerete fle 390 te ao om wv a 4, DISTRISUTION CF CONTAMINATICN: «te ‘: related to previous observations by the sane decay exponent,