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Dose assessments: accounting for unusual weather conditions - RP0130

Accounting for unusual weather conditions in assessing doses to critical groups following radionuclide releases to atmosphere. Recommendations will be made to the Ministry concerning modelling which needs to be incorporated into dose assessments to account for the effects of weather conditions found in coastal environments, releases above the mixing layer & conditions of fog. The focus will be doses arising through the foodchain, routine & accidental radionuclide releases are to be considered. The key issue is whether these conditions could lead to higher critical group dose estimates compared to current methodology.
1 Agree unusual weather conditions to be considered. 2 Determine what information is available on atmospheric trnsport & deposition for each weather condition to be considered & to what extent the relevant processes have been included in existing mathematical models / computer codes. 3 Provide quantitative estimates of the importance of each of the unusual weather conditions (for both routine & accidental atmospheric release) in terms of critical group doses through the foodchain pathway. 4 Provide recommendations on what additional processes (if any) should be included in MAFF assessment models.
Time-Scale and Cost
From: 1995

To: 1995

Cost: £23,366
Contractor / Funded Organisations
Intera Sciences