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FIG. 4. Schematic diagrams for 299-E33-45. The stratigraphic column is within the Hanford formation and included a fine silty sand interval near the water table. The borehole intersected the uranium plume at approximately 43 m (140 ft), indicated by the leachate 238U concentrations and by the in situ gamma logs (sections logged through double casings indicated *). Moisture contents in 2001 were less than 10% w/w in the vadose zone, except in fine-grained, less-conductive sedimentary intervals.
