Baldwin TD and Hicks TW, Assessment Calculations for Human ...

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0977-6Version 16.1.6 B7 – SmallholdingFigure 6.24, Figure 6.25 and Figure 6.26 show the total annual dose to a smallholderat different locations on the site in the years 2230, 7000 and 12000, respectively.Exposure via the foodstuff pathways dominates the total dose to the smallholder.This is due to exposure to 14 C in plant material and, to a lesser extent, exposure to 36 Clin plant material and exposure to 14 C and 36 Cl in goat’s milk (Figure 6.27). Vaults 15to 18 contain high 14 C activities and relatively low 234 U activities, unlike Vaults 8 to14, for which exposure to 222 Rn associated with the decay of 234 U dominates the totaldose (Hicks and Baldwin, 2011, Section 7.1.6). The maximum calculated annual dose(5.4 mSv) is observed in Vault 17 (cell E10) at 2230; the smallest annual dose is1.6 mSv in Vault 20 (cell F11) at this time. By the year 7000, the calculated annualdose in each grid cell is 3.4 mSv or less, and is no more than 2.4 mSv by the year12000.6.05.0Dose (mSv)4.03.02.01.00.0A & B10C & D11E & FFigure 6.24Total annual dose to a smallholder (B7) in the year 2230 (Case A).Galson Sciences Ltd 36 21 March 2011
0977-6Version 16.05.0Dose (mSv)4.03.02.01.00.0A & B10C & D11E & FFigure 6.25Total annual dose to a smallholder (B7) in the year 7000 (Case A).6.05.0Dose (mSv)4.03.02.01.00.0A & B10C & D11E & FFigure 6.26Total annual dose to a smallholder (B7) in the year 12000 (Case A).Galson Sciences Ltd 37 21 March 2011
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