10.04.2013 Views

Appendix CRF - Part 3 - Northamptonshire County Council

Appendix CRF - Part 3 - Northamptonshire County Council

Appendix CRF - Part 3 - Northamptonshire County Council

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Radiological Assessment 0820-2<br />

Version 2<br />

Radionulide Soil<br />

concentration<br />

(Bq kg -1 )<br />

Risk<br />

quotient<br />

Limiting reference organism<br />

Cm-244 3.41E-17 4.67E-20 Flying insects, Gastropod<br />

Co-60 1.12E-23 1.52E-27 Mammal (Rat)<br />

Cs-134 1.41E-22 8.45E-26 Mammal (Deer)<br />

Cs-137 5.11E-13 1.64E-16 Mammal (Deer)<br />

Eu-152 6.76E-18 3.92E-22 Soil Invertebrate (worm), Detritivorous<br />

invertebrate<br />

Eu-154 3.25E-20 2.08E-24 Detritivorous invertebrate<br />

H-3 8.14E-13 3.13E-16 Detritivorous invertebrate<br />

I-129 1.27E-04 2.98E-07 Bird egg<br />

Ni-63 4.79E-05 4.42E-11 Grasses & Herbs<br />

Np-237 1.52E-03 4.03E-06 Shrub<br />

Pb-210 8.45E-16 2.18E-19 Lichen & bryophytes<br />

Pu-238 4.42E-08 4.34E-11 Lichen & bryophytes<br />

Pu-239 1.10E-02 1.01E-05 Lichen & bryophytes<br />

Pu-240 1.10E-02 1.01E-05 Lichen & bryophytes<br />

Pu-241 3.14E-18 7.76E-25 Lichen & bryophytes<br />

Ra-226 5.04E-04 2.22E-06 Lichen & bryophytes<br />

Ru-106 1.62E-13 1.98E-16 Lichen & bryophytes<br />

Sb-125 4.03E-22 1.08E-26 Detritivorous invertebrate<br />

Sr-90 2.83E-13 7.53E-16 Reptile<br />

Tc-99 2.06E-02 9.74E-06 Bird egg<br />

Th-230 1.29E-02 7.92E-06 Lichen & bryophytes<br />

Th-232 2.76E-03 1.45E-06 Lichen & bryophytes<br />

U-234 2.25E-02 1.35E-05 Lichen & bryophytes<br />

U-235 2.27E-02 1.29E-05 Lichen & bryophytes<br />

U-238 2.27E-02 1.50E-05 Lichen & bryophytes<br />

Table 5.11 Calculated soil concentrations based on disposal of radionuclides at the<br />

individual radiological capacity. Risk quotients based on the<br />

10 Gy h -1 dose rate criterion.<br />

Galson Sciences Limited 56 14 July 2009<br />

WS010001/ENRMF/CONSAPP<strong>CRF</strong> 606

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!