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Conceptual Site Model - Argonne National Laboratory

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WVDP Phase 1 CSAPTable 6: Radionuclide Target Sensitivity for <strong>Laboratory</strong> Sample Analysis(source: Phase 1 DP, Table 9-5)NuclideInstrument/MethodTarget Sensitivity,pCi/g (1)Am-241 Alpha and/or gamma spectrometry 1 (4)C-14 Sample oxidizer and liquid scintillation 2 (4)Cm-234/244 Alpha and/or gamma spectrometry 1 (4)Cs-137 Gamma spectrometry 0.1 (4)I-129 Gamma spectrometry 0.06 (2)Np-237 Alpha and/or gamma spec 0.01 (2)Pu-238 Alpha spectrometry 1 (2)Pu-239/240 Alpha spectrometry 1 (2)Pu-241 Liquid scintillation 15 (2)Sr-90 Liquid scintillation 0.9 (2)Tc-99 Gas flow proportional counting 3 (2)U-232 Alpha spectrometry 0.5 (2)U-233/234 Alpha spectrometry 0.2 (3)U-235 (-236) Alpha spectrometry 0.1 (3)U-238 Alpha spectrometry 0.2 (3)NOTES:(1)(2)(3)(4)Dependent on sample size, counting time, and so on.Approximately 10% of the most restrictive radionuclide-specific CG identified in Table5-14.25% of background for naturally occurring radionuclides.Standard laboratory MDCs.Rev. 1 91

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