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Management of Commercially Generated Radioactive Waste - U.S. ...

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3.41<br />

those data that can reasonably be obtained can be combined with a model to gain valuable<br />

insight. Some ground-water and transport models have been calibrated (Gupta and Pinder<br />

1978, Kipp et al. 1976, Cole 1979) through adjustments <strong>of</strong> parameters to simulate measured<br />

behavior and thus can be used with some confidence in forecasting. These models have also<br />

been verified (Kipp et al. 1976, Ahlstrom 1977, Robertson 1977) by showing that they dupli-<br />

cate past trends in water table changes and contaminant transport in field situations.<br />

Similarly airborne transport <strong>of</strong> ejected or reentrained radionuclide aerosols, subse-<br />

quent uptake by biota, food chain pathways and exposure to and ingestion by man can be<br />

evaluated for specific sites.

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