SECRET UNCLAPSIFIED M-1175-AZC 2-30-53 L 08 and by any yield factor. This number is divided by the weight offcaicium in the milked sample in grams, by 2.2 (see SUNSHINE UNIT definition)| and by a growth correction factor in case the YY” 90 was not in complete equifibrium with the Sr”? at the time of milking (1-1/exp. (hours sr” has had to pfoduce y?°)/ (mean life of yy) . As an exammle, the above Y°” containing 22.1 grams of calcium. was 1.56 (unusually high). 90 sarmle came frfm a sarzle The yield factor due to handlifg losses The milking took place at a time when] complete equilibrium was established and the counting time was 7.58 hours Sunshine Units = 1045329 37-6 dpm Sr 90 58 x € a ow c x 1.56 2c.l gms x 2.2 K 4. oe After milking. o 1.32. ~—sONCLAS Siren