ARCHIVED REPORTS XR0009874 - Laserfiche WebLink

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Interim Soil Excavation and Quarterly Report - Fourth Quarter 2000 • Former Tracy Diner 95 West 11" Street, Tracy, California 1.0. INTRODUCTION ' At the request of Mr Doug Murray of Harley Murray, Inc Profit Sharing Trust, et al , Advanced GeoEnvironmental, Inc (AGE) has prepared this preliminary site assessment and Interim ' remediation report for the property located at 95 West 11`h Street, Tracy, California (site) The location of the site is illustrated in Figure 1 A plan of the site is depicted in Figure 2 The scope of work included the excavation and characterization of hydrocarbon impacted soil from the underground storage tank (UST) dispenser formerly located on the western portion of the property and installation and sampling of five ground water monitoring wells The objective of the interim remediation was to remove hydrocarbon-impacted soil from the site and the monitoring wells was to monitoring the dissolved hydrocarbon-impact beneath the site ' This report is prepared in accordance with guidelines established in Appendix A to Tri-Regional Recommendations - Reporting, dated 30 August 1991, prepared by the Central Valley Regional ' Water Quality Control Board (Appendix A - Reports) for the subsurface investigation of underground storage tank(UST) sites lie 2.0. BACKGROUND ' The site is located in a business/residential area of central Tracy, California The site is situated on the northeast corner of the intersection of West 11`h Street and Adams Street, in an area of low topographic relief, at an elevation of approximately 18 feet above mean sea level (Figure 1), Tracy ' Quadrangle, 7 5-Minute USGS Topographic Series, 1958, photo revised 1976 ' 21 SITE DESCRIPTION AND USE ' The property is currently developed with one building that was formerly occupied by Tracy Diner, a restaurant facility A gasoline service station was also reportedly located on the property for approximately thirty years 2 2 REGIONAL GEOLOGY AND HYDROGEOLOGY ' The site is located within the northern San Joaquin Valley which comprises part of the Great Valley geomorphic province of California The San Joaquin Valley is formed by the Great Valley ' geosyncline, which is a large, elongate, northwest-trending asymmetrical structural trough (basin) It is bordered by the Coast Ranges to the west, the Klamath Mountains and Cascade Range to the north, and the Sierra Nevada to the east This trough has been filled with sediments derived from ' Advanced GeoEnvironmental,Inc