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' Corrective Action Status Report - February 1998 • Franklyn Cole Property ' 7505 West Linne Road,Tracy, California ' 1.0. INTRODUCTION AND SCOPE OF WORK At the request of Mr. Franklyn Cole,Advanced GeoEnvironmental, Inc. (AGE) has prepared this ' Corrective Action Status Report for the property located at 7505 West Linne Road, Tracy,California (the site). The site setting is illustrated on Figure 1. Structures, borings, and former underground ' storage tanks (USTs) and dispenser locations on the site are illustrated on Figure 2. This report summarizes the collection of soil samples for analysis to confirm the effectiveness of the corrective action at the site. The scope of work included the installation of two soil borings, the collection of 1 soil samples, a water sample, and the analysis of the samples. The current assessment of petroleum hydrocarbon-impacted soil is necessary to compare current hydrocarbon concentrations to pre- remediation hydrocarbon concentrations to evaluate the effectiveness of the SVE operation and determine the necessity for continued SVE operation. The report is prepared in accordance with San Joaquin County Public Health Services - ' Environmental Health Division (PHS-EHD) and Central Valley Regional Water Quality Control Board (CVRWQCB) guidelines for the corrective action of unauthorized petroleum release from • underground storage tanks (USTs). The field work was preformed in accordance with the Remedial Action Work Plan, dated 17 March 1997, prepared by AGE and approved by the PHS-EHD on 21 March 1997. tBackground information and a description of prior investigations performed at the site were presented in the Site Summary Report- October 1996, dated 22 October 1996, prepared by AGE. ' An SVE system was in operation on the site from March 1998 to November 1998, the approved six- month period of operation. Rebound testing has not been performed. Information regarding and a description of the soil vapor extraction(SVE)unit setup was summarized in Quarterly Report-June ' 1998,dated 15 September 1998,prepared by AGE. SVE Operation and corrective action monitoring was summarized in Quarterly Report -December 1998, dated 04 January 1999, prepared by AGE. 2.0. PROCEDURES ' The field work was preformed in accordance with the Remedial Action Work Plan, dated 17 March 1997,prepared by AGE and approved by the-PHS-EHD on 21 March 1997. 2.1. PROBE BORING AND SAMPLING On 11 February 1999, two soil probe borings (CBI and CB2) were advanced at the site, under • observation by the PHS-EHD. Probe borings were advanced in the area of the former fuel dispenser ' _island. Probe boring locations are shown on Figure 2. Advanced CeoEnvironmental,Inc.