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Quarterly Report - Third <br /> Quarter 2004 <br /> SHOCKEY AND SONS TRUCKING <br /> ' 850 Milgeo Avenue,Ripon, California <br /> 1.0. INTRODUCTION <br /> At the request of Mr. Lee Shockey, Advanced GeoEnvironmental, Inc. (AGE) has prepared this <br /> ' quarterly report for 850 Milgeo Avenue, Ripon, California (site). The scope of work included <br /> quarterly monitoring of three of the five accessible ground water monitoring wells and free product <br /> remediation. The location of the site and its surroundings are depicted in Figure 1. Monitoring and <br /> ozone sparge wells, probe boring locations and structures on the site are shown in Figure 2. <br /> This report has been prepared in accordance with the Central Valley Regional Water Quality Control <br /> ' Board(CVRWQCB)guidelines for the investigation of underground storage tank(UST) sites. Site <br /> history and findings from previous investigations and previous monitoring events at the site are <br /> summarized in Appendix A.Quarterly monitoring data from April 1996 to the present is summarized <br /> ' in Tables 1 and 2 of this report. <br /> 1 2.0. PROCEDURES <br /> ,. On 21 September 2004, AGE conducted quarterly ground water monitoring of monitoring wells <br /> MW-1 through MW-3; wells MW-4 and 'MW-5 were covered and not readily available for <br /> monitoring. In addition,free product was detected and removed from well MW-1 with a disposable <br /> ' bailer. All field work was performed in accordance with guidelines developed by the CVRWQCB <br /> for the investigation of UST sites. Ground water monitoring activitics conformed to guidelines <br /> issued by the San Joaquin County Environmental Health Department (EHD). <br /> 2.1. FREE PRODUCT REMEDIATION <br /> ' w detected in well MW-1• the product <br /> On 21 September 2004,0.08 feet(1.0 inch}of free product as dee <br /> was recovered using a disposable bailer.After free product removal,the water and free product were <br /> stored on-site in 55-gallon DOT H-17 storage drums. The removal was performed in accordance <br /> with California Underground Storage Tank Regulations, Article 5, Section 2655. <br /> 2.2. QUARTERLY GROUND WATER MONITORING <br /> ' AGE conducted quarterly ground water monitoring on 21 September 2004. <br /> Advanced GeoEnvironmentai,Inc. <br /> I <br />