Laserfiche WebLink
Table 9 <br /> Second Quarter 2016 Total VOC Mass Estimation Calculations <br /> Austin Road Unit- Forward Landfill, Manteca California <br /> Contour Interval (ug/L) 1-25 25-50 50-75 75-94.12 <br /> Average TVOC Concentration Within Interval (ug/L) 13.0 37.5 62.5 84.56 <br /> Aquifer Area Within Interval (ft2) 39,122,540 16,742,020 6,843,155 1,287,660 <br /> Aquifer Volume Within Interval (ft3) <br /> [Aquifer Area (ft2)x Thickness(40 ft)] 1,564,901,600 669,680,800 273,726,200 51,506,400 <br /> Aquifer Volume Within Interval (L) <br /> (28.317 L/ft3) 44,313,318,607 18,963,351,214 7,751,104,805 1,458,506,729 <br /> Groundwater Volume Within Interval (L) <br /> [Aquifer Volume (L)x Porosity(0.25)] 11,078,329,652 4,740,837,803 1,937,776,201 364,626,682 <br /> TVOC Mass Within Interval (kg) <br /> [Average TVOC Concentration (ug/L)x Groundwater <br /> Volume (L)/1,000,000,000 ug/kg] 144.0 177.8 121.1 30.8 <br /> Plume-Wide TVOC Mass(kg) <br /> [Sum of all Interval TVOC Masses] 473.7 <br /> Threshold Limit(kg) 789.5 <br />