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! ! fi• ! ! ! i• ! l� ! ! 1• � � l� � 1♦ � � <br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3708,2705 COUNTRY CLUB BOULEVARD, STOCKTON, CA <br /> Reference Depth to Groundwater Ethyl- Total TPH as Other Oxygenates Dissolved <br /> Monitoring Elevation Groundwater Elevation Benzene Toluene benzene Xylenes gasolute MTBE and Additives Lead <br /> Well __ Date (feet) (feet) (feet) (µg/L) (Pg/L.) (N A W/L) (pg/L) (pg/L) (pg/L) Wg/L) <br /> n=Tertiary butyl alcohol <br /> g=Dusapropyl ether <br /> r=Ethyl-t-butyl ether <br /> o=Grab groundwater sample collected from well <br /> p=Samples collected 3 March 2004 did not arrive at laboratory on time,site resampled 22 March 2004 <br /> TPH=Total Petroleum Hydrocarbons by EPA Method 8015 <br /> MTBE=Methyl tertiary butyl ether by EPA Method 8020 Modified,except as noted <br /> Other oxygenate and additives may include ethanol,tert-butyl alcohol,dusopropyl ether,ethyl tertiary butyi ether,tertiary amyl methyl ether,1,2-dibromoethane,and 1,2-dichloroethane by <br /> EPA Method 8260 All analytes were reported below the laboratory detection limit,except as noted <br /> NA=Not analyzed <br /> NC=Not calculated <br /> ND=Not detected <br /> NM=Not measured <br /> N5=Not sampled <br /> lig/l-=Micrograms per liter <br /> Note TPH-g results beginning March 2002 include MTBE <br /> g 1projects173708\imsterlwp1g0605L3708gw As Page 24 of 24 <br />