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Table 2 � ,9_KXxfKn,10 <br /> Total Petroleum Hydrocarbons Remaining in Soil '� <br /> 423 N Madison Street ..- - A LAN6AN COMPANY <br /> Stockton,California <br /> Project:731589001 <br /> Soil Sample Date <br /> Sample Area Top Depth Bottom Volume TPHg TPHd Total TPH Average'TPH Total TPH <br /> Depth Section (ft') (feet bgs) Depth(feet (ft)3 Concentration Concentration Concentration Concentration Mass <br /> ID Collected (ft bgs) bgs) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (lbs.) <br /> BOT-17 03/23/04 17 A 148 17 22 740 2,800 190 _ 2,990 1,495 117 <br /> ESW-15 04/12/04 15 B 139 15 19 556 300 1,300 1,600 Boo 47 <br /> NSW3-15 04/15/04 15 C 152 15 18 456 34 35 69 34.5 1.7 <br /> B9-BOT-17 04/06/04 17 D 152 17 20 456 - 390 390 195.0 9 <br /> BOT12-15 04/15/04. 15 E 149 15 18 447 57 16 73 36.5 1.7 <br /> BOT10-15 04/15/04 15 F 98 15 18 294 33 20 53 27 0.8 <br /> BOT11-15 04/15/04 15 G 142 15. 18 426 63 560 623 312 14 <br /> Total I 192 <br /> Notes: . <br /> mg/kg-miligrams per kilogram <br /> ft-feet <br /> bgs below ground surface <br /> Ibs.-pounds <br /> TPI-Ig-total petroleum hydrocarbons as gasoline <br /> TPI-Id-total petroleum hydrocarbons as diesel <br /> End.Depth is the estimated depth at which TPH is not detected <br /> '-Average TPH concentration is calculated using the sample concentration and the bottom depth. <br /> Average Soil Bulk Density=106 Ibs/ft^3(Das,1998) <br /> C <br /> 731589001 Tables Page 1 of 1 May 2013 <br />