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Issues and practices in the use of effects data from FREDERICA in the ERICA Integrated Approach
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2008 (Engelska)Ingår i: Journal of Environmental Radioactivity, ISSN 0265-931X, E-ISSN 1879-1700, Vol. 99, nr 9, s. 1474-1483Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The ERICA Integrated Approach requires that a risk assessment screening dose rate is defined for the risk characterisation within Tiers 1 and 2. At Tier 3, no numerical screening dose rate is used, and the risk characterisation is driven by methods that can evaluate the possible effects of ionising radiation on reproduction, mortality and morbidity. Species sensitivity distribution has been used to derive the ERICA risk assessment predicted no-effect dose rate (PNEDR). The method used was based on the mathematical processing of data from FRED (FASSET radiation effects database merged with the EPIC database to form FREDERICA) and resulted in a PNEDR of 10 mu Gy/h. This rate was assumed to ascribe sufficient protection of all ecosystems from detrimental effects on structure and function under chronic exposure. The value was weighed against a number of points of comparison: (i) PNEDR values obtained by application of the safety factor method, (ii) background levels, (iii) dose rates triggering effects on radioactively contaminated sites and (iv) former guidelines from literature reviews. In Tier 3, the effects analysis must be driven by the problem formulation and is thus highly case specific. Instead of specific recommendations on numeric values, guidance on the sorts of methods that may be applied for refined effect analysis is Provided and illustrated.

Ort, förlag, år, upplaga, sidor
2008. Vol. 99, nr 9, s. 1474-1483
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Miljövetenskap
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URN: urn:nbn:se:sh:diva-5729DOI: 10.1016/j.jenvrad.2008.04.012ISI: 000259051200012Scopus ID: 2-s2.0-48149112088OAI: oai:DiVA.org:sh-5729DiVA, id: diva2:392626
Tillgänglig från: 2011-01-27 Skapad: 2011-01-27 Senast uppdaterad: 2017-12-11Bibliografiskt granskad

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Gilek, MichaelBjörk, Mikael

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Totalt: 191 träffar
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