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1 <br /> Mass Balance Calculation <br /> W T Jordan- 298 Grant Line Road <br /> Tracy, California <br /> 1 <br /> Off-Site <br /> ' Hydrocarbon Impacted soil resides under Grant Line Road Parker Avenue and the adjacent <br /> sidewalk Approximately 590 cubic yards of impacted soil has been estimated Concentrations of <br /> TPH-g have been averaged to a value of 1,100 ppm (this value has been generated with over <br /> excavation sample and soil boring sample values) <br /> ' 590 yards' X 1,146 kilograms/yards' X 1,100 ppm/1,000,000 parts per million= <br /> 744 kg TPH-g <br /> • 744 kg TPH-g X 2 2046 pound/kg = 1639 7 pound of TPH-g <br /> • 1646 8 pound of TPH-g X 0 16 pound/gallon= 262 gallons of TPH-g <br /> 1 <br /> ' On-Site <br /> Hydrocarbon Impacted soil resides under the canopy and the building on the site Approximately 162 <br /> M cubic yards of impacted soil has been estimated Concentrations of TPH-g have been averaged to <br /> a value of 10,000 ppm (this value has been generated with over excavation sample and soil boring <br /> sample values) <br /> ' 0 162 yards' X 1,146 kilograms/yards' X 10,000 ppm/1,000,000 parts per million <br /> 1857 kg TPH-g <br /> ' 0 1857 kg TPH-g X 2 2046 pound/kg = 4093 8 pound of TPH-g <br /> • 4093 8 pound of TPH-g X 0 16 pound/gallon= 655 gallons of TPH-g <br /> 1 <br /> I <br /> i <br /> s <br />