Laserfiche WebLink
• i • <br /> Table F-1 <br /> Mass of Contaminants Remaining in Groundwater <br /> Plume Dimensions Porosit <br /> Clay=0.50 Average Contaminant Conversion Conversion <br /> Year/ Length Width Thickness Sand=0.32 Concentration Factor 1 Factor 2 Mass <br /> Contanunant (feet) (feet) (feet) Silt=0.42 (Ag/L) (L/ft) (lbs/Ag) (lbs) <br /> 2002 <br /> TPHg 260 120 10 042 192 2832 450,000,000 158338 <br /> MtBE 170 40 10 042 162 2832 450,000,000 000291 <br /> 1,2-DCA 230 190 10 042 164 2832 450,000,000 018943 <br /> 2005 <br /> GRO 240 180 10 042 151 2832 450,000,000 172421 <br /> MtBE 180 50 10 042 258 2832 450,000,000 000614 <br /> 1,2-DCA 230 180 10 042 753 2832 450,000,000 008240 <br /> Notes <br /> Calculation of Mass=(Length x Width x Thickness x Porosity x Average Contaminant Concentration x Conversion Factor 1)/Conversion Factor 2 <br /> Plume thickness estimated at maximum of 10 feet thickness <br /> For water phase contamination only <br /> 1,2-DCA = 1,2-dichloroethane <br /> W = cubic feet <br /> GRO = gasoline range organics <br /> L W liter <br /> Lbs = pounds <br /> MtBE = methyl tert-butyl ether <br /> µg = rmcrograms <br /> TPHg = total petroleum hydrocarbons as gasoline <br /> K MprocessW BP ARC01007601Closure Rpt1760 Closure Report doc <br />