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Quarterly Report - 152 East 11th Street, Tracy Page 2 <br /> INTRODUCTION <br /> This status report is for the property at 152 East Eleventh Street, Tracy, California It <br /> covers the period from May 1st to July 31st 1993 <br /> SITE LOCATION <br /> The subject property is situated at No 152 East 11th Street, Tracy, California This <br /> location is shown on Figure 1 <br /> Figure 2 is a plan showing the location of monitoring wells that have been installed on the <br /> site, on the site of Ultramar Inc 's Beacon Station at 153 East 11th Street and in <br /> surrounding areas with an interpretation of areas of the subsurface that may have been <br /> affected by loss of hydrocarbon fuels from underground tanks that were previously present <br /> on the 152 East 11th Street site <br /> ACTIVITY DURING THE REPORTING PERIOD <br /> Extended Investigation of Groundwater Quality <br /> On June 16th and 17th 1993, four additional groundwater momtormg wells (see Wells <br /> NAV 5, NAV 6, NAV 7 and NAV 8 on Figure 2) were installed in the vicinity of the 152 <br /> East 15th, Street site to further investigate groundwater quality in the area This work was <br /> performed in compliance with the Workplan for Further Soil and Groundwater <br /> Assessment at 152 East 11th Street, Tracy, California, which was approved by the San <br /> Joaquin County Public Health Services, Environmental Health Division (SJCPHS) <br /> On July 8th 1993 samples were recovered from all groundwater wells (including the four <br /> newly installed wells) at the subject property (i a 152 East 11th Street) and at Ultramar <br /> Inc 's Beacon Station located across the street at 153 East 1th Street This comprehenswe <br /> round of groundwater sampling and analysis was conducted in accordance with the <br /> Groundwater Sampling Plan - Prouerly at 152 East 11th Street, Tracy, California which <br /> has been approved by the SJCPHS <br /> Reports and Engineering Plans <br /> The following reports and engineering plans were completed during the reporting period <br /> and submitted to the San Joaquin County Public Health Services, Environmental Health <br /> Division (SJCPHS) <br /> 1 QImijerly Status Rgport ReportFebruwl 1 to April 30 19 - 152 East 11th Street, <br /> Tracy, California Submitted May 12th 1993 § <br />