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{ <br /> TABLE 2 <br /> Constituent Mass Calculations <br /> Former Tank Site#2,1325 West Weber Avenue,Stockton, California!i <br /> Well Identifier Date Sampled TPH-g J; BTEX 1,2-DCA <br /> MW-1A 07/22/1999 2.6 0.398 0.024 <br /> MW-2A 07/22/1999 0.14 ! 0.0245 0.00061 <br /> Average Concentrations: 1.37 It 0.211 0.012 <br /> t <br /> '! Major Axis of Plume with Elliptical Shape(ft): 46 <br /> Minor Axis of PIume with Elliptical Shape(ft): 28 I? <br /> ! Surface Area of Site#2 Plume(ft): 4,046 " <br /> Assumed Thickness of Aquifer(ft): 15 I <br /> Total Volume(fe): 60,696 i1 <br /> Assumed Porosity: 0.31, <br /> Volume of Water in Void Space(fO): 18,209 <br /> Volume of Water in Void Space(gallons): 136,201 <br /> Volume of Water in Void Space(liters): 515,574 <br /> f� !; ; <br /> TPH-g j BT EX 1,2-DCA <br /> i <br /> Mass of Constituents in GW(mg): 706,337 ; 108x915 6,344 ! <br /> I i <br /> i Mass of Constituents in GW(lbs): 1.557 i 0.1240 0.014 <br /> Volume of Constituents (gallons): 1.344 0.207 0.012 <br /> s <br /> { <br /> p <br /> Notes: { F <br /> 1Used a density of 675 kilograms per cubic meter for conversion of lbs to gallons <br /> ' TPH-g= Total petroleum hydrocarbons as gasoline 'i <br /> BTEX=Benzene,toluene,ethylbenzene,and xylenes <br /> 1,2-DCA=1,2-dichloroethane <br /> GW=Ground water <br /> t <br /> 3 <br /> ,l <br /> y <br /> a , <br /> ( <br />