TABLE IV-5 (cont'd) ESTIMATED UNWEATHERED ACTIVITY ON SURFACE AND EXPOSURE RATE AT ONE METER, RONGELAP ISLAND Nuc lide Nuc lide Ci Km~2 H+0.5 Day Exposure Rate, R h7! H+26 Day Activity Per Unit Area, Ci Km~2 Rate, Rh 1.3x107! - - Zr-97 Zr-95 4.0x104 Nb-95m Zr-95 6.4x10! Nb-95 Nb-95 4.0x10~6 2.1x102 2.7x1073 5.4x107! 5.3x107! ~ - - 5.9x1l073 4.0x102 3.8x1073 - 5.7x10! - 1.7104 7.9x103 2.5x1072 3.5x1073 - 1.3x104 2.7x103 3.5x103 2.0x104 1.7x1074 1.2x1074 2.2x1072 3.1x1074 Zr-95 zr-95 4.4x104 3.9x104 Ru-103 Ru-103 6.4x102 Ru-106 5.9x10! Ru-105 Ru-106 Rh- 103m Rh-105 Rh~-105 Rh-106 Pd-109 Pd-111 Pd-llim Pd-112 Ag-109m zr-95 Zr-95 4.5x1072 2.2x1072 2.8104 4.1x107! Ru-103 6.3x102 1.2x1074 Rh-106 5.9x101 Zr-95 Zr-95 Zr-95 Zr-95 zr-95 2r-95 Zr-95 Ag-111 Ag-1llm Ag-112 Ag-113 Ag-115 Zr-95 zr-95 Zr-95 Zr-95 Zr-95 Cd-118 Zr-95 Cd-115 Cd-115m Cd-117 Cd-117m In-115m 1.4x1074 1.5x104 1.0x104 Zr-95 zr-95 Zr-95 Zr-95 Zr-95 Zr-95 H+26 Day Exposure 3.1x107! Nb-97 Nb-97m Mo-99 Tc-99m 87 Reference H+0.5 Day Activity Per Unit Area, 1.3x104 3.7102 2.8x103 2.1x103 1.1103 2.0x1076 8.3x102 2.4x10! 3.3x102 6.3x102 3.0x109 4.6x102 - - ~ ~ - - - - 2.2x1074 5.7x10! 2.1x1074 9.3x1073 - - 1.7x1074 1.9x107 2.5x1072 5 .6x1074 2.0x107!! 3.7x1073 9.3x1076 6.1x107 2.1x1072 - 2.7x1073 - - ~ - - 7 ~ - - -