Appendix CRF - Part 3 - Northamptonshire County Council

A.2 INTERNAL DOSE DATA - ICRP INTERNAL DOSE COEFFICIENTS
15
VERSION 3, 14 July 2009
For consistency purposes, the data below are the same as those used in the RSA93
application, and are the relevant ICRP dose coefficients for members of the public. The ICRP
dose coefficients for workers are slightly different, but this does not materially affect the
outcome of this risk assessment.
Radionuclide
Dose coefficient (Sv/Bq)
Inhalation Ingestion
H-3 2.6E-10 1.8E-11
C-14 5.8E-09 5.8E-10
Cl-36 7.3E-09 9.3E-10
Fe-55 7.7E-10 3.3E-10
Co-60 3.1E-08 3.4E-09
Ni-63 4.8E-10 1.5E-10
Sr-90 1.6E-07 2.8E-08
Nb-94 1.1E-08 1.1E-08
Tc-99 1.3E-08 6.4E-10
Ru-106 6.6E-08 7.0E-09
Ag-108m 3.7E-08 2.3E-09
Sb-125 5.5E-08 3.1E-09
Sn-126 3.1E-08 7.1E-09
I-129 3.6E-08 1.1E-07
Ba-133 3.1E-09 1.5E-09
Cs-134 6.8E-09 1.9E-08
Cs-137 3.9E-08 1.3E-08
Pm-147 5.0E-09 2.6E-10
Eu-152 4.2E-08 1.4E-09
Eu-154 5.3E-08 2.0E-09
Eu-155 6.9E-09 3.2E-10
Pb-210 5.6E-06 6.9E-07
Ra-226 9.5E-06 2.8E-07
Ac-227 5.5E-04 1.1E-06
Th-229 2.6E-04 6.1E-07
Th-230 1.0E-04 2.1E-07
Pa-231 1.4E-04 7.1E-07
Th-232 1.1E-04 2.3E-07
U-232 4.7E-05 4.6E-07
U-233 9.6E-06 5.1E-08
U-234 9.4E-06 4.9E-08
U-235 8.5E-06 4.7E-08
U-236 3.2E-06 4.7E-08
U-238 8.0E-06 4.5E-08
Np-237 5.0E-05 1.1E-07
WS010001/ENRMF/CONSAPPCRF 656