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Appendix CRF - Part 3 - Northamptonshire County Council

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Radiological Assessment 0820-2<br />

Version 2<br />

Radionuclide<br />

Specific dose<br />

(μSv y -1 per MBq)<br />

20 y cap 60 y cap 100 y cap<br />

Difference<br />

20 - 100 y<br />

Ni-63 3.88E-15 2.92E-15 2.16E-15 1.80<br />

Sr-90 4.37E-17 1.70E-17 6.26E-18 6.97<br />

Nb-94 6.93E-09 6.84E-09 6.74E-09 1.03<br />

Tc-99 1.16E-07 1.15E-07 1.13E-07 1.03<br />

Ru-106 1.70E-39 7.67E-39 3.97E-38 0.04<br />

Ag-108m 1.38E-12 1.11E-12 8.85E-13 1.56<br />

Sb-125 5.99E-33 8.25E-35 2.03E-34 29.57<br />

Sn-126 3.77E-07 3.72E-07 3.67E-07 1.03<br />

I-129 2.72E-04 2.72E-04 2.72E-04 1.00<br />

Ba-133 3.18E-23 2.45E-24 1.62E-25 196.36<br />

Cs-134 2.80E-35 3.95E-36 1.20E-35 2.33<br />

Cs-137 2.07E-18 8.29E-19 3.14E-19 6.58<br />

Pm-147 2.52E-35 6.04E-37 1.56E-36 16.13<br />

Eu-152 2.85E-24 3.63E-25 4.07E-26 70.00<br />

Eu-154 1.35E-26 6.00E-28 2.21E-29 613.41<br />

Eu-155 2.40E-31 9.68E-34 1.89E-34 1275.31<br />

Pb-210 3.67E-18 1.07E-18 2.91E-19 12.61<br />

Ra-226 1.05E-06 1.04E-06 1.02E-06 1.04<br />

Ac-227 1.76E-18 5.00E-19 1.32E-19 13.36<br />

Th-229 9.93E-07 9.80E-07 9.66E-07 1.03<br />

Th-230 5.22E-07 5.15E-07 5.07E-07 1.03<br />

Th-232 2.76E-06 2.73E-06 2.69E-06 1.03<br />

Pa-231 2.36E-06 2.32E-06 2.29E-06 1.03<br />

U-232 6.82E-14 4.58E-14 3.00E-14 2.27<br />

U-233 3.08E-07 3.04E-07 2.99E-07 1.03<br />

U-234 2.98E-07 2.94E-07 2.90E-07 1.03<br />

U-235 2.92E-07 2.88E-07 2.84E-07 1.03<br />

U-236 2.90E-07 2.86E-07 2.82E-07 1.03<br />

U-238 2.99E-07 2.94E-07 2.90E-07 1.03<br />

Np-237 7.30E-05 7.22E-05 7.13E-05 1.02<br />

Pu-238 2.01E-13 1.47E-13 1.06E-13 1.91<br />

Pu-239 1.05E-06 1.04E-06 1.02E-06 1.03<br />

Pu-240 7.13E-07 7.04E-07 6.94E-07 1.03<br />

Pu-241 2.82E-23 4.19E-24 5.57E-25 50.61<br />

Galson Sciences Limited 81 14 July 2009<br />

WS010001/ENRMF/CONSAPP<strong>CRF</strong> 631

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