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TABLE 10 <br /> VLEACH MODEL OUTPUT RESULTS <br /> DRAFT AMENDED CLOSURE REQUEST <br /> FORMER AMERICAN FOREST PRODUCTS FACILITY <br /> 2801 WEST LANE <br /> STOCKTON, CALIFORNIA <br />' Concentration <br /> Mass of in <br /> Depth to Naphthalene Groundwater <br /> Groundwater (grarns(l} (ppb)' <br /> 35 5 2863 x 10'' 365 <br /> 54 4 3174 x 10-' 298 <br /> 70 6 4415 x 10-5 044 <br />' (1) Total mass of naphthalene leached in 25 years <br /> from four polygons centered on borings SB-4, <br /> B-28, SB-15, and SB-1 <br /> (2) ppb = parts per billion, based on mass of <br /> groundwater of 1 4 x 105 grams which would <br /> flow beneath the site in 25 years through a 10- <br /> foot-deep section of unit width, under a gradient <br /> of 0 002 ft/ft and a hydraulic conductivity of <br />' i x 10-5 cm/sec <br /> SAC116 07 AUGUST 1994 <br />