Laserfiche WebLink
r � - <br /> � M <br /> y r� ■ F� <br /> .w <br /> • HYDROCARBON-IMPACTED SOIL <br /> MASS/VOLUME ASSUMPTIONS AND CALCULATIONS <br /> Volume of impacted soil removed from the vicinity of the former UST during the excavation <br /> procedures <br /> Based on the hydrocarbon concentration of TPH-g in excavated stockpile soil samples and the <br /> highest concentration of TPH-g in soil at the base of the over excavation, the following calculation <br /> for the removed the petroleum as diesel has been made <br /> The impacted soil from the excavation soil stockpile had the following concentrations <br /> • SPEXEIA-C - 1,400 mg/kg <br /> • SPEXE2 A-C - 880 mg/kg <br /> • Tank sample TFN 17' - 5,600 mg/kg <br /> A total of 467 tons of impacted soil was disposed with an average concentration of 2,627 milligrams <br /> per kilogram of gasoline The mass of excavated soil was determined from the weight of the soil <br /> stockpiled disposed at Forward Landfill <br /> Calculations <br /> weight <br /> 467 tons removed • 2,000 pounds/ton= 934,000 pounds soil <br /> 934,000 pounds soil • 0 454 kilograms/lbs =424,036 kilograms soil <br /> 424,036 kilograms soil • 2,627 mg/kg of gasoline = 1,113,942,572 milligrams of gasoline <br /> (1,114 kilograms) <br /> 1,113,942,572 milligrams of gasoline — 1,000 milligram grams = 1,113,942 6 grams of gasoline <br /> volume <br /> 1,113,942 6 grams of gasoline — 0 74 grams/cm3 = 1,505,327 cm3 of gasoline <br /> (1,505,327 cm3 of gasoline— 3,785 CM3/gallon) = 397 gallons of gasoline removed <br />