¥ IVERSITY OF WASHINGTON ATE, LY LOG APPLIED FISHERIES LABORATORY SEATTLE, WASHINGTON Locality...20a-_. pate Personnel... ee -- Nov. 7, 1955 (Mon.) eoWeather. Con't. 9. na a. Water conditions Radiation level(s). ae weeee _ Operations: ____Theaveragesurveymeter readingvalues are summarized below but these values have several limitations and theresultsshould be interpreted in the light of these limitations. Just exactly whatthe average value means is open to question. in _one amall area. Theprincipal,limitation:is|the variability of readings ‘The variability is dueto the ground cover being surveyed, 1.e.,grass,sand,gravel, dead leaves,—under trees, open, etc. The meters were providedbyRad-“Safe and were calibrated and checked before and after use. This:errorwas: determined to be less than 10%. Average Values of surveyMeter‘Readings in mint REP'S per Hour at Rongelap, LabaredJand KabelleIslands on October 21 andNovember 7, 1955 Area.._—s—s=sr=—s<Ci(‘(wHEA beach _ 3 feetclosed _ _...gpen 1 inch n_ _Rongelap _ ec nn.Yabaredj 2 0,04 — oe 2 0,04 - closed 2 0.04 open 2 0.04 n Kabelle A 0.08 1 0.1 h 1 0.4 . . 4 island3feetclosed 2200.2 14h proper bove _—s—pen _.. Ob 2,3 prep1anehelosed 30 044 line open B80 I002b4 9 0.05 _ 0.17 9).31 1.0_ 46H 22eS el2612. =a 9.3 ae