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The ERICA Tool.

J E Brown¹, B Alfonso, R Avila

¹Norwegian Radiation Protection Authority, Department of Emergency Preparedness and Environmental Radioactivity, Grini naeringspark 13, Postbox 55, NO-1332 Østerås, Norway. justin.brown@nrpa.no

Journal of Environmental Radioactivity

|March 11, 2008

Summary

The ERICA Tool is a flexible software for assessing radiological risks to wildlife. It guides users through tiered assessments, from simple concentration limits to complex probabilistic dose rate calculations.

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Area of Science:

Environmental Science
Radiation Biology
Ecotoxicology

Background:

Radiological risk assessments for biota are crucial for environmental protection.
Existing methods require robust and flexible tools for accurate evaluation.
The ERICA (Environmental Risk from Ionizing Contaminants Assessment) Integrated Approach provides a framework for these assessments.

Purpose of the Study:

To introduce the ERICA Tool, a computerised system designed for assessing radiological risks to biota.
To provide a flexible software solution that guides users through a tiered assessment process.
To enable the estimation of risks to selected animals and plants from radiation exposure.

Main Methods:

The ERICA Tool employs a tiered approach (Tier 1, 2, and 3) for radiological risk assessment.
Tier 1 uses media concentration-based assessments with pre-calculated limits.
Tiers 2 and 3 allow detailed parameter editing and probabilistic calculations for dose rate estimation.

Main Results:

The ERICA Tool facilitates risk assessment by guiding users through data recording and calculations.
It allows for flexible adjustments of key parameters in dose rate calculations (Tier 2 and 3).
Results can be contextualized with dose-effects data and background radiation levels.

Conclusions:

The ERICA Tool offers a comprehensive and adaptable system for radiological risk assessment to biota.
Its tiered structure accommodates varying levels of data availability and assessment complexity.
The software supports informed decision-making in environmental radiation protection.