TABLE 13 Beta Activity in Core Samples of Soil Island (NRDL)* Beta Activity (8°/min/g) No. of Cores 1-in. Increment of Soil Coring Ist 2nd 3rd 4th 5th 6th NDA " Tth 8th Likiep 1 140 40 40 NDA@) Utirik 3 1,250 480 240 130 100 160 60 25 Rongelap 4 6,600 2,100 570 420 230 160 200 150 Busch 1 10,800 7,100 7,200 6,400 6,800 Eniaetok 1 57,000 24,000 4,300 18,000 26,000 12,000 11,000 Labaredj 1 42,000 33,000 29,000 23,000 19,000 Kabeile 3 43,000 30,000 10,000 3,600 2,000 2,300 180 Lomuilal 3 53,000 48,000 26,000 20,000 14,000 1,000 Gejen 1 37,000 37,000 8,000 4,000 4,400 3,400 Lukuen 2 35,000 40,000 13,000 10,500 10,000 10,000 4,700 Bikar 3 4,000 140 250 170 120 100 27 tniwetak 2 16,000 7,500 3,000 2,000 1,800 1,100 160 (a) No detectable activity **Qlicctions OLiee. made about rebruary 1, Mata reported as of March 1, 1955. 1955. 100 9th 650