? C 409813 ¥ULS PR 30 Jun 77 MEMORANDULL YOR RECORD SURECT: Enewetak Atoll Adi Samp Liog wt 1. Enelesure 1 coutaings the USAT/MCL raport of radtochemical analyses of air {(parciculate) samples obtained from Fnjebi and Lojwa during the agerepate hauling overacion in Aprid and Tiny 1977. A detailed analysis of the data reaported canmot be made until otver factors are known: e@.g. exact location of sumplors with respest to resugpencice sources, wind and rain situation which prevailed, protective actions nsed such as vetting-dow, types of equipment and procedures enrleyed which created che suspension, paths vehicles followed, location of personnel and time spent in the area. Information of this nature was obtained by Capt Day/TCLP, and will be considered in the final report on ageragate hauling which is to be prepared. Some initial observations can te made, hovever, as follows: 2. Plutonium was definitely resuspended at Enjebi and Lojwa during the agrregate operation. The results sre summarized below (in f£Ci/m’) to illustrate this point. LocationandSampieDates | Downwind Enfebt (22-30 Apr) 2.9 1.6 2.3 1.9. 1.7 Lojwa (22-30 Apr) , 3.67 1.7 «77 68 7h Agerepatea Pile (20-21 Apr) Enjebi tench (20 Apr - @ Mav) 22 2 ‘ . - 0.05 “<.08 09 03 02 <0.06 oil O85 «il <.06 0.41 “<.7 9.6 Li 1% BEST COPY AVAILABLE Upwind Ad 16° <0.4 <.11 a 31. Tojya (5-7 May 77) REPOSITORY 2.96 1 <.04 “ % PNN.L . COLLECTION Marsha ll BOX No. IG &5 rower Chews fae Zslands 14 77 DOCUMENT DOES NOTCONTAIN ECI Reviewed by Au ae Lag/¢ 7