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1.0 INTRODUC ,ION/PREVIOUS WORK <br /> �a <br /> This report is being submitted in response to a request by <br /> the San Joaquin County Public Health Services, Environmental {° <br /> Health Division for further soil clean-up at Waterloo <br /> School, 7007 North Pezzi Road, Stockton, CA (Figure 1 ) . <br /> On November 21, 1989, hydrocarbon contamination of soil was <br /> detected during the removal of one 500 gallon underground ' <br /> gasoline tank at the project site ( Figure 2 ) . The 4„ <br /> laboratory results are summarized on Table 1 and the soil ` <br /> sampling report is located in A x' <br /> ppendix I. 'y <br /> 2`.0 BACKGROUND TECHNICAL DATA <br /> 2. 1 Site Location: Waterloo School <br /> 7007 North Pezzi Road <br /> Stockton, CA <br /> Contact Person: Mr. Frank Hubbard <br /> Phone: (209 ) 946-0707 <br /> 2. 2 Map showing site location, relative to nearby landmarks: <br /> The site location is shown on Figure 1. <br /> 2.3 Sketch of site. <br /> I1t'S <br /> i <br /> A site sketch is presented on Figure 2. <br /> 2.4 Esta.fttates of liquid quantity and composition leaked: <br /> No estimate of liquid quantity can be made with existing '+ <br /> information. The constituents detected in the soil sample <br /> are derived from gasoline. , .. <br /> 2. 5 Topography, geology, surface water, depth to groundwater: <br /> The site is situated on level ground comprised of <br /> Quaternary-Recent alluvial sediments. The water table lies „ <br /> at about 95 feet below grade and flows west/southwesterly <br /> based on San Joaquin Flood Control and Conservation District <br /> data. The only surface water bodies within one-half mile of <br /> the Bite are irrigation canals. <br /> 3� <br /> w'f <br />