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IAPPENDIX E <br /> Page 3 of 3 <br /> I <br /> Area C <br /> Area of Impacted soil beneath excavation In Area C = 6,232 ft2 <br /> Thickness =4 0 ft <br /> Semi-axial dimensions of Impacted area southeast of excavation a= 3 2 ft, b= 18 0 ft, c =29 5 ft <br /> Volume of PHI soil (Area C - Area B) = 8,400 ft' - 2,938 ft3 = 5,462 ft3 <br /> Average concentration of TPH-g = 50 mg/kg <br /> IWeight of gasoline In Area B = 34 lb TPH-g <br /> Total Mass of TPH- = 265 lb + 98 lb + 34 lb = 397 lb TPR-g <br /> Total Volume of TPH-g= 397 lb — 6 25 lb/gal = 25.6 gal <br /> I <br /> li <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> Advanced GeoEnvironmental,Inc <br /> I <br />