ISU screening values for soil

1 January 2000

ISU screening values for soil
  Analytical result   D and D SV*   SV
Radionuclide uCi/g fraction pCi/g uCi/g fraction**
Fe55 6.90x10-6 3.56x10-1 9470 9 47x10-3 7.29x10-4
Co60 2.00x10-6 1.03x10-1 3.64 3 64x10-6 5.49x10-1
Cs134 9.80x10-8 5.06x10-3 1.75 1.75x10-6 5.60x10-2
Eu152 9.89x10-6 5.10x10-1 8.65 8.65x10-6 1.14x100
Eu154 4.93x10-7 2.54x10-2 8.01 8.01x10-6 6.15x10-2
Total 1.94x10-5 1.00x100     1.81x100
 *SV = Screening Value; corresponds to 25 mrem/yr. ** DE&S E-Lab results/SV
Maximum total concentration in soil 10.7 pCi/g Maximum detectable gamma concentration in soil 6.89 pCi/g

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