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i s <br /> Groundwater Monitoring Well Installations Results Report <br /> Flag City New West#1003,6437 West Banner Street,Lodi,California <br /> Page 3 <br /> Soil samples were submitted for the following analysis <br /> Analysis Abbreviation I Designation USEPA Method No <br /> Total Petroleum Hydrocarbons TPHg Gas/Diesel <br /> as Gasoline <br /> Total Petroleum Hydrocarbons Range 8015M <br /> TPHd Hydrocarbons <br /> as Diesel <br /> Benzene <br /> Toluene BTEx Aromatic Volatile 8021B <br /> Eth (benzene Organics <br /> Xylenes Tata! <br /> Tertiary Butyl Alcohol TSA <br /> Methyl Tertiar But I Ether MTBE <br /> Di-isopropyl Ether DIPE 80268 <br /> Ethyl TertiaryButyl Ether ETBE Seven Fuel <br /> Tertiary Amyl Methyl Ether TAME Oxygenates <br /> Ethanol 8015M <br /> Methanol <br /> A 4 1 composite soil sample was collected from the drill cuttings stockpile and analyzed for the <br /> constituents listed in the table above and total lead by EPA Method 6010 for disposal purposes <br /> Soil analytical results are summarized in Table 2 A copy of the laboratory analytical report and <br /> COC form are included in Appendix D <br /> Drill cuttings generated during the installation of the wells was temporarily stored onsite in 55- <br /> gallon drums, pending laboratory analysis A licensed transporter will haul the soil to a proper <br /> disposal facility <br /> Groundwater Sampling <br /> On August 15, 2005, Apex personnel developed and sampled the monitoring wells according to <br /> the Apex standard operating procedures (SOP) included as Appendix B The Central Valley <br /> Regional Water Quality Control Board requested a resample of all monitoring wells and wanted <br /> to collect a split sample for well MW-4B The re-sample was conducted on September 12, 2005 <br /> The groundwater samples were transported under COC documentation to CLS for analysis of the <br /> constituents listed in the table above Groundwater elevations and groundwater analytical results <br /> are summarized in Tables 3 and 4, respectively A groundwater contour map and MTBE <br /> i so concentration map are included as Figures 3 and 4, respectively Field data sheets are <br /> included as Appendix E All wells were surveyed by Apex personnel to mean sea level <br /> Well development purge water was temporarily stored onsite in 55-gallon drums, pending <br /> disposal <br /> • <br />