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--------------------------- <br /> r. <br /> { TABLE 6 <br /> rr.: <br /> Western Stone Products-Tracy <br /> �= Estimated Residual Soil Contamination <br /> . <br /> i ESTIMATEDSTIIVIATED <br /> AREA E1�... Of' SAIL <br /> :AVERAGE TP.HD OPIE:I�ATIVE TFM MASS TPHQ <br /> ]l4LUME* <br /> .ONC AT 8 OFEET CONC <br /> A - 500 sq ft 2000 ft 3 10 ppm 28.75 ppm 5.8 lbs <br /> B - 150 sq ft 600 ft 3 40 ppm 115 ppm 6.9 lbs <br /> C - 35 sq ft 140 ft 3 60 ppm 172.5 ppm 2.4 lbs <br /> : 5 <br /> TOTALS: <br /> 685 sq ft 2740 ft 3 15.1 lbs <br /> (102 cu yds) (2.2 gals) <br /> ==1 Volume of Excavated Contaminated Soil ** <br /> -. ;SDIL PILE SOIL VOLUME AICERAGE TPHG.COIC MASS 7PI1Q <br /> SP1 8100 ft3 10.35 ppm 8.4 Ibs <br /> ry SP2 300 ft3 25 ppm 0.8 Ibs <br /> L SP3 300 ft3 2.6 ppm 0.1 Ibs <br /> SP4 1400 ft3 9.0 ppm 1 .3 lbs <br /> TOTALS: <br /> 10,100 ft3 10.6 Ibs <br /> (374 cu yd) (1.5 gals) <br /> == NOTES: * Assumes affected interval between 7 and 11 feet below grade. <br /> ** Data from soil pile samples. <br /> s." <br /> j,'['i RESIDUAL.TB3 <br />