Table A-3. Strontium-90 radionuclide concentration summary for all soil profiles taken iry the village area during the 1978 NMIRS on Rongelap Island. Soil depth Bq g-! dry wt. (cm) N@ 00-05 4 4 43x102 39x102 29x101 47x10) 3.1x10! 28x10! 10-15 15-25 4 4 38x102 300x102 47x10! 3.1x10! 25—40 40-60 4 0 24x103 0.0x100 12x10! 0.0 x 10° 00-05 4 .39x10-2 2.9x«K101 3510-1 25x10-l 22x10 00-15 4 40x102 3.9x10-1 00-25 4 36x10-2 00-40 4 00-60 0 05-10 00-10 4 Minimum Maximum SD of logs Mean SD of logs 16x10? 111x101 -20x100 |88x 10-1 16x10! 15x10! 20x10 16x11 1910-1 1.3x10-1 -2.0 x 1090 -2.2 x 100 1.1 x 190 1.0 x 100 48102 0.0 x 190 54x102 0.0 « 100 5.1x10-2 0.0 x 190 -3.6x100 0.0 x 19? 1.7 x 100 0.0 x 100 16x10! 1110-1 1410-1 -1.8 x 100 -2.0 x 100 88x 10-1 2.2x10! 22x10 1.4x10-1 -18 x 100 99x 10-1 36x10) 19x10! 19xi?! 1.3x10-1 -1.9 x 100 9.9 x 10-1 23x102 2.7x10-1 114x101? %14x10! 10.0102 -23~x 100 1.1 x 100 00x10? 0.0 x 1090 0.0x10° 0.0x10 0.0 x 100 0.0 x 100 0.0 x 100 411x102 Median Mean 16x10)! 16x10? NOTE:Specific activity is decay corrected to 1995. Nastands for numberof individual samples. 1.9x10-1 -1.6 x 10° 1.1 x 100 9.8 x 10-1 TableA-4. Strontium-90 radionuclide concentration summary for all soil profiles taken in fhe interior of the island during the 1978 NMIRSon RongelapIsland. Soil depth (cm) Bq g-! dry wt. N@ Minimum Maximum Median 00-05 16 44x103 46x10-1 19x10-i 10-15 16 8.6x104 15—25 16 14x10-2 25-40 17 3.8x104 0.0x100 0.0x10° 0.0x100 00-05 16 444x103 46x10-1 19x10! 00-15 00-25 14 13 1010-2 2.7x10-2 48x10? 35x10! 12x10! 12x10! 05-10 40-60 00-10 00—40 00-60 16 0 815 13° 0 «=65.6x103 5.0x103 2.2x102 000x100 «=5.9x10-1 Mean Mean 1.7x10-1 SD of logs 1210-1) -2.1x100 1410-1 -2.7x100 5.1x10-1 10x10) 85x10-2 %18x101 26x10-1 69x10-2 99x102 . 7.7x10-2 5.2x10-2 66x102 64x10-2 1.7x«x10-1 1210-1 16x10! 14x10) 14x10! 11x10 2.7x10-l 53x101 24x10-1 00x100 15x10! 9.46x10-2 0.0100 NOTE:Specific activity is decay corrected to 1995. Nastands for number of individual samples. 1310-1! 00109 18x10! 112x101 00x100 18x10-1 00x10 of logs 1.2 x1 -23x100 1.2 x 100 -2.7x100 9.2 x 10-1 -33 x1 15 x 100 -2.1 x 190 12 x 100 -22 x10 -23x 100 1.0 x 10° 8.3 x 10-1 0.0 x1090 14x101 -22x100 7.7x10-2 -25x 100 00x100 SD 00x10 1.5 x 100 0.0 x 100 §12x10 8.0 x 10-1 0.0 x 100