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Site Characterization:Clover*hwdtdle School,51 East Beverly Place, Tracy, CA, Page I <br /> 1.0 INTRODUCTION <br /> This report documents a site characterization program that was conducted at <br /> the Alfred Clover Middle School property at 51 East Beverly Place, Tracy, <br /> California. The site characterization work was designed to determine whether <br /> or not the subsurface beneath the property might have been affected by <br /> components of gasoline. <br /> 1.1 Site Location <br /> The subject property is situated at 51 East Beverly Place in Tracy, California. <br /> That location is shown on Figure 1. A site pian is shown on Figure 2. <br /> 1.2 Site Code <br /> The San Joaquin County Public Health Services, Environmental Health <br /> Division(SJCPHS)has established the following identifier for the subject site: <br /> Site Code: 2227 <br /> 1.3 Background <br /> The Clover Middle School property is owned by the Tracy Unified School <br /> District(Tracy USD). <br /> 1.3.1 Removal of Tank and Initial Subsurface Tnvesti ag tion <br /> A 550-gallon underground gasoline storage tank was removed from the site in <br /> September 1985. Later that month, J.H. Kleinfelder & Associates <br /> (Kleinfelder) was contracted to investigate a gasoline odor at the former tank <br /> site. Kleinfelder drilled one test boring to a depth of 15 ft. below the ground <br /> surface (BGS) "adjacent to the open pit" to obtain soil and water samples. <br /> Only the groundwater sample, recovered from 13 ft. BGS, was tested at that <br /> time. <br /> In December, 1985, Mr. Renaldo Crooks of the San Joaquin County Public <br /> Health Services requested that the three soil samples recovered from <br /> Kleinfelder's September boring be tested. <br /> W` Kleinfelder's report did not include a site plan from which the location of the <br /> boring that was drilled during the investigation of the site could be determined. <br /> However based on their statement, cited above, that it was "adjacent to the <br /> open pit," it is reasonable to conclude that it was close to either the north or <br /> south side of the pit from which the underground storage tank was removed. <br /> The former position of that pit is shown on Figure 2. Water was encountered in <br /> sic <br />