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Answered by Nick Beresford 30/09/2010
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Posted: 23/09/2010
Are dose conversion coefficient formula in ERICA consistent?
From:
Marko Černe
Jožef Stefan Institute
Slovenia
Question:
In the ERICA Tool are the all of the DCC values estimated using the same methodology or is Monte-Carlo simulation used on for terrestrial organisms?
Answer:
The key factor in the estimation of DCC is the absorbed fraction, and this is always calculated by Monte Carlo simulation using a phantom geometry. The only difference is that, historically, in FASSET, the aquatic and terrestrial formulas were calculated by two different Monte Carlo methods, but for ERICA the Ulanovsky and Proehl sphericity method (see ERICA papers) was adopted for everything, after having checked that, for aquatic organisms, both methods gave very similar results.
Answered by Jordi Vives i Batlle 23/09/2010
But note for terrestrial animals a shielding factor due to fur/feathers/skin is applied in the estimation of external dose rate. This is not used for aquatic animals.
Added by Nick Beresford 24/09/2010
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Posted: 12/08/2010
Plant geometries
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Posted: 23/09/2010
Are dose conversion coefficient formula in ERICA consistent?
From:
Marko Černe
Jožef Stefan Institute
Slovenia
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