19 GROSS ACTIVITY Table 18—Gross Beta Activity in Water and Soil Samples » (NRDL) Gejen Eniwetak Enfaetok Rongelap Sifo Utirik Likiep Warer > (c/m/fliter x 10°) All counts were corrected for the counting efficiency of Sr¥-Y®, Gross beta activity of plant samples was determined in April 1956 and thatof soi] and water in May 1956. NDA indicates no detectable activity. Collection date: February 1956.

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