SUMMARY OF LOS ALAMOS AIR SAMPLING Date, Start of Collection Gamma Background MR /Houre-A.M. Beta Activity of Air ppc 4/20/56 0.01 0.72 L/22 0.01 0.01 0.01 0.01 0.02 0.59 050 0.90 0.61 OekS 4/27 0.02 0.99 L/29 1/30 0.01 0.01 0.95 1.17 S/2 5/3 0.01 0.01 0,61 0077 0.02 0.68 0.02 0.01 O.b2 Ooh /2 4/23 L/2h, 1/25 4/2 4/28 S/l 5/u 5/5 5/6 5/7 5/8 5/9 5/10 5/11 5/12 5/13 5/u 6/15 0.01 0.01 0.01 0.02 0.02 0.01 0.01 0,02 025k 0.77 0.99 a 0.68 0.32 0.63 068 0.02 * 0.01 0,01 1.82 0.77 £/16 5/17 0.01 0.01 0.01 0.99 5/8 s/19 0.01 0,01 1.08 0.99 1.22 Lobds /20 5/2 5/22 0.01 0.02 0.01 5/2k 0.01 0.72 5/25 5/2 0.02 0.01 0.59 0077 /23 0,01 0.82 0.72 1.40 1,13 5/27 /28 5/2 0.01 0.02 0.01 LL 0.90 0.95 5/31 0.02 0.72 5/30 “Sample lost, 0.02 O+77

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