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S33111d3S/11Wd3d <br /> Interim Soil Remediation Work PlaIJ.l_MP 1N31NNOUTAN3 <br /> Former Tracy Diner 6002 5 j d3S <br /> 95 West 11" Street, Tracy, California <br /> MA333H <br /> 1.0. INTRODUCTION <br /> At the request of Mr Doug Murray of Harley Murray, Inc Profit Sharing Trust, et al ,Advanced <br /> GeoEnvironmental,Inc (AGE)has prepared this interim remediation work plan for the site location <br /> at 95 West I It'Street,Tracy, California(Figure 1) The interim soil remediation is being conducted <br /> for the removal of hydrocarbon-impacted soil related to the underground storage tank(UST)system <br /> formerly located on the property Additionally, five ground water monitoring wells will be installed <br /> to assess hydrocarbon impact to ground water <br /> This work plan is prepared in accordance with Appendix A to Tri-Regional Recommendations - <br /> Reporting, dated 30 August 1991, prepared by the Central Valley Regional Water Quality Control <br /> Board (Appendix A - Reports) for the investigation of UST sites <br /> 2.0. BACKGROUND <br /> The site is situated at the intersection of West I I" Street and Adams Street (Figure 1) The property <br /> is currently developed with one building that was formerly occupied by the Tracy Diner,a restaurant <br /> facility A gasoline service station was reportedly located on the property for approximately thirty <br /> years, between the 1940's and 1970's(Figure 2) <br /> 21 UNDERGROUND STORAGE TANK REMOVAL <br /> A UST gasoline system reportedly operated on the site for approximately thirty years from the 1940's <br /> until 1970's The UST system is assumed to have been removed after 1970, however no records of <br /> the UST removal are available with the Tracy Fire Department, Tracy Building Department or the <br /> PHS-EHD <br /> 22 PREVIOUS SUBSURFACE INVESTIGATION <br /> On 04 May 2000,five soil probe borings were advanced at the site The probe borings were advanced <br /> within the suspected location of the former USTs and the southern and central dispenser islands as <br /> well as two locations which are in the assumed hydrogeologic down-gradient location All borings <br /> were advanced to depths of 20 feet below surface grade (bsg) A `grab' ground water was collected <br /> and analyzed from each soil boring <br /> . TPH-g was detected in soil samples collected from the former dispenser island and UST excavagtion <br /> areas Hydrocarbon-impacted soil was detected in soil samples collected between 15 and 20 feet bsg <br /> Advanced GeoEnvironmental,Inc <br />