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Second Quarter 2004 Groundwater Monitoring/Remediation Status Report <br /> Moore Petroieum Bulk Plant,5491 F Street,Banta,California <br /> Page 7 <br /> I <br /> Groundwater isoconcentration maps for TPHg and MTBE show the petroleum hydrocarbon <br /> plume centered by the dispenser island and are defined, while the isoconcentration map for <br /> MTBE is not defined to the northeast. <br /> RECOMMENDATIONS <br /> Apex recommends continued remediation and groundwater monitoring to confirm laboratory <br /> data and monthly groundwater sampling of the domestic well. The next monitoring event is <br /> scheduled for August 2004. <br /> ADDITIONAL ACTIVITES PERFORMED AT SITE <br /> None <br /> ATTACHMENTS: <br /> Figure 1: Site Vicinity Map <br /> Figure 2: Site Plan Map <br /> Figure 3: Groundwater Contour Map: May 20, 2004 <br /> Figure 4: TPHg in Groundwater isoconcentration Map: May 20, 2004 <br /> Figure 5: TPHd in Groundwater Isoconcentration Map: May 20, 2004 <br /> Figure 6: Benzene in Groundwater Isoconcentration Map: May 20, 2004 <br /> Figure 7:. MTBE in Groundwater Isoconcentration Map: May 20, 2004 <br /> Table 1: Well Construction Details <br /> Table 2: Groundwater Elevation Data <br /> Table 3: Groundwater Analytical Data <br /> Table 4: Historical Groundwater Elevation Data <br /> Table 5: Historical Groundwater Analytical Data <br /> Table 6: Vapor Extraction Data <br /> Appendix A: Apex Standard Operating Procedures <br /> Appendix B: Field Data Sheets <br /> Appendix C: Laboratory Analytical Reports and Chain-of-Custody Forms <br />