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E_'ECVY'1'AE SUMN ARY <br /> EXCAVATION OF HYDROCARBON IMPACTED SOIL <br /> Weldon Church Property <br /> 104 West Beverly Place <br /> Tracy, California <br /> One underground storage tank (UST") was removed from the subject property in 1988. <br /> The tank was used to store gasoline. One soil sample and one groundwater sample were <br /> collected from the tank excavation after removal. <br /> Petroleum hydrocarbons were detected in both the soil and groundwater samples <br /> collected from the tank excavation. The San Joaquin County Public Health Services - <br /> Environmental Health Di,%ision (PHSIEHD) is requiring further investigation of the site <br /> to determine the vertical and lateral extent of hydrocarbon impacted soil and <br /> groundwater. <br /> Initially, the former UST area will be re-excavated to remove any remaining impacted <br /> soil to a depth of approximately 8 feet. The re-excavation will be performed using a <br /> backhoe; samples will be collected from each sidewall. Since it is anticipated that <br /> groundwater will be encountered during excavation, no soil samples will be collected <br /> from the floor of the excavation. We anticipate removing approximately 100 cubic yards <br /> of hydrocarbon cont4uninated soil. <br /> The soil will be stockpiled adjacent to the excavation. After laboratojv analysis has been <br /> completed, the soil will either be treated on-site or transported and disposed at an <br /> appropriate landfill facility. <br /> For more information, please contact Mr. Ron Rowe of the PHSJI~HD. <br /> d GOLci� 9Sr 66G ON 39- V HOd� WdV l -V S66 1-6 1-V <br />