This would include the effects of all radioactive releases into the river, 98% of which happened long before the 1957 accident, but it would not include the effects of the airborne plume that was carried north-east.
Ini termasuk dampak dari semua pelepasan radioaktif ke sungai, 98% di antaranya terjadi jauh sebelum kecelakaan 1957, namun tidak mencakup efek dari asap udara yang dibawa ke timur laut.