50 4.0x1075 2.2x10-10 7.4x1075 - ~ 1.4x102 1.3x103 1.4x102 6.1x10-3 2.6x104 Ce-141 Pr-145 Pr-144m Ce-141 1.7x100 7.8x107?7 1.2x1073 - 6.6x102 1.1x1073 - 7.9x1074 1.9x1072 _ _ - 9.2x1072 4.0x1075 1.5x10710 7.4x1075 9.9x102 4.7x102 - 4.0x102 - - 1.9x104 1.4x102 9.2x102 1.4x102 Ce-141 1.2x1072 2.1x1072 1.1x107! 4.5x1073 3.4x10-5 7.4x1075 2.1x1073 ~ Ce-141 Ce-144 Pr-143 Pr-144 Ce-141 3.1102 3.0x104 2.6x103 1.7x103 8.7x107! 6.5x109 3.3x103 7.0x109 Ce-143 Ce-144 Pr-143 Pr-144 Ba-140 1-132 La~-140 Ce-141 Ce-141 Ba-140 Cs-137 - - La-140 La-141 La-142 - - 2.6x1073 3.4x1073 Rate, R hv! 1-132 1-132 1-132 4.6x1071 1.0x107! 6.0x10-4 3.2x1073 4.5x1074 - - 8.0x10! - ~ 3.5x102 - Ci_Km72 ; H+26 Day Exposure Cs-138 Ba-137m Ba-139 8.9x104 1.2x104 1.4x1073 1.5x10! 2.1x103 3.2x102 1.7x1076 2.1x100 7.9x107! 7.4x107! 3.1x1074 | 3.1x1072 1.1x1074 2.2x1072 5 .6x10712 Rate, R hv! H+26 Day Activity Per Unit Area, 1-132 1-132 1-132 1-132 1-132 1-132 1.8x109 7.8x104 1.9x104 6.5x104 11x10! 6.5x102 2.6x109 3.1103 4.5x1076 Ci Km72 H+0.5 Day Exposure Xe-135 Xe-135m Cs-135 Cs-136 Xe-133 Xe-133m I-132 1-132 Xe~131m 1-135 1-132 1-132 I-131 I-132 1-132 1-132 I-131 Nuc lide 1-132 1-133 I-133m 1-134 1-130 1-131 1-129 Nuc lide Reference H+0.5 Day Activity Per Unit Area, AT ONE METER, RONGELAP ISLAND ESTIMATED UNWEATHERED ACTIVITY ON SURFACE AND EXPOSURE RATE TABLE IV-5 (cont'd)