ze. ee ee Radio Station Weather Station (N end of island) 290 20 160 110 Proj 6,6.Station (S end of island) 240 -- In order to estimate the rate of decay between 8 and 11 March, the follow ing radiation measurements were taken on three days on Rongolap Island: . Central living areca (village) Southern most cistern Roof of cistern (Southernmost) Ground (contact) cistern arca 8 March 11 March 280 220 240 220 17@ 145 140 10 orfnr or/nr mr/hr or/hr or/hr ar/br mrfhr arfhy fn area was selected 30 yards inland from tho Rongelap cemctcry as a mas. ing point for future decay measurements, This arca is outlined with 2X%4s plac: on pails, The waist height reading was 210 m/hr at 1000 hours, 11 March 1954. 7~ areas. Sample collections Water samples were collected from the wator supplics of all About two quarts of water wore transferred to a polycthlenc each site, analysis. inhabited bottle at These will be turned over to the New York Operations Office, AEC Soil samples wore collccted at all inhabited arcas and also at scvera’ uninhabited islands, In collecting tho soil samplcs a one foot by one foot squaro was martsdon the ground and soil to about one inch of dopth was removed from the square and transferred to a cardboard eontaincr, The primary samples will be turned over to the New York Oporation Office, AEC, for analysis, and some smaller samples will be analyzed by Program 2 of TU 13. Listed in Table 3 are the samplcs taken with the dose ratc measured . at waist height at the location where they wero takon, TABLE 3 —- SOIL Samplo No. Bil ; Rongelap Island Rongelap (North end) 2 3 Rongelap Rongelap Rongelap (Center of village) Rongelap (l1 mile north of 4 Rongelap 5* Rongeflap Rongelap (near South cistern of village) Eriirippu Rongelap Kabelle 6 Te ae 9 10 11* COPIED/DOE Atoll Rongelap Utirik Bikar Rongerik Ailinginae village) Eniaetok . Date Mr /r 8 Mar 440 8 Mar 340 6&8 Mar 260 8 Mar 220 8 Mar 2200 8 Mar 2000 9 Mar 10 Mar 10 Mar 160 =280 100 8 Mar Utirik 300 9 Mar Bikar Eniwetak Sifo LO = *Small additional sample taken for analysis by Program 2 of TU 13. LANL ROY ae 4 tr : aan SI/ /