SECRET && i= 250 -ARC UNCLASSIFIED are dntretuce: ts tee chamical analyses, the seif neoanc i é€ abso. e wiloretien cf the ceunters are not ineludec. Wit... tue cosai: a there is p;eecu parts cf wn. excertion oo vi. a: sa taat Poise Ro cecunting etati tt um PT toe aocc.ute talfidraticn cf the counters, uncertain .+< tntreduced by such additional Be smn. e€xaMpae riapmarec troee the uncertaintics duc tc the sets cf “raternal twins were measured. eo umader ss Lo a. These measurimrer: te . Dab. oof . 2 Asta, Te he 7 ft om I caternma. .wins SoM.) (ae Sr’ Assay \o.S.U.) C.a9 * G.C2 C.2i t 0.32 C.i7 + 0.04 Sead FOLDS - “31 . ~ rem pe TOR bead tne indivicua. Gue to the . + * hor és cewrti ; exmerdenc Gc t+ ‘6 invelvec in tre contaminaticn, ’ rer be carefu.iy avel IO4¥S 344 om OUP 1. Wen petwoen tne measurements cn. 4 adthdn tre stated uncertainties i. win f « given pair wcurd nave - tothe commen mether, during tre 6! cpect tnet escn would accumulate Sy *. lee CaN ont ft us ff raudicactive elcmuents, as are S€t rmdinations. ecoto «rte. dntrecuctieon cf fisston precuct tist owe ver ard i: “vemicnalis usec in the analyses, must wonsequent.y, the ‘a * tra such "pre-atomic age™ samples, @mrars C-29.6 anc we. as the lowa sci. mick, processe. ot.tr: ds reasenas the same concer trat- ey In an asse. ros oamooenybsoonm > sane gestaticr ne @evot tio: fo ger tae U.18 + 0.05 C22 % C06 “es ShOe 6 r* act getiercd in 1937 and the powdered vit, adis greatly tc the confidence UNCLASSIélcuy LANL