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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 Oxygenate Dissolved <br /> Monitoring Elevation Groundwater Elevation Benzene Toluene benzene Xylenes gasoline MTBE Compounds Lead <br /> Well Date (feet) (feet) (feet) (µg/L) (pg/L) (}t /L) ( /L) (11 /L) (µg/L) (µg/L) (lig/L) <br /> VEW1 08/16/01 NM 1043 NC <0 5 <0 5 <0 5 <0 5 <50 <5h NA NA <br /> VEW1 11/20/01 NM 1031 NC <0 5 <0 5 <0 5 <0 5 <50 6h NA NA <br /> VEW1 03/12/02 NM 822 NC <0 5 <0 5 <0 5 <0 5 <50 34 h ND NA <br /> VEW1 05/02/02 NM 845 NC <0 5 <0 5 <0 5 <0 5 <50 5 60h ND NA <br /> VEW3 12/01/95 STATION OPERATIONS TRANSFERRED TO NEW WEST PETROLEUM <br /> VEW3 03/05/99 NM 703 NC <0 5 <0 5 <0 5 <0 5 <50 <2 5 NA NA <br /> j VEW3 05/14/99 NM NM NC NS NS NS NS NS NS NS NA <br /> VEW3 06/04/99 NM NM NC NS NS NS NS NS NS NS NA <br /> VEW3 08/31/99 NM NM NC NS NS NS NS NS NS NS NA <br /> VEW3 11/23/99 NM NM NC NS NS NS NS NS NS NS NA <br /> VEW3 02/10/00 NM NM NC NS NS NS NS NS NS NS NA <br /> VEW3 05/17/00 NM NM NC NS NS NS NS NS NS NS NA <br /> VEW3 08/07/00 NM dry NC NS NS NS NS NS NS NS NA <br /> VEW3 11/06/00 NM NM NC NS NS NS NS NS NS NS NA <br /> VEW3 02/26/01 NM 682 NC <0 5 <0 5 <0 5 <0 5 <50 2 1/<5h NA NA <br /> VEW3 05/10/01 NM 741 NC <0 5 <0 5 <0 5 <0 5 <50 <5h NA NA <br /> VEW3 08/16/01 NM dry NC NS NS NS NS NS NS NS NA <br /> VEW3 11/20/01 NM dry NC NS NS NS NS NS NS NS NA <br /> VEW3 03/12/02 o NM 725 NC 120 <10 <10 <10 16,600 30,300h 80 0`"11,050° NA <br /> VEW3 05/02/02 o NM 7.50 NC <0.5 <0 5 <0.5 <0.5 12,900 16,350h 1,0600 NA <br /> a= I otal volatile hydrocarbons <br /> b=Result is an estimated value because it exceeds The linear range <br /> I <br /> c=A typ€cal chromatogram with unidentified peak(s)within the range of gasoline hydrocarbons Chlorinated hydrocarbons are suspected <br /> A groundwater sample collt eted from monitoring w€.1l MWb on 4117192 contained chlorobenzene and 1,2-dichlorobenzene <br /> d—A typical chromatogram Analysts of this sample by EPA Method 624 on 4117/92(past EPA recommended holding time)was positive for the <br /> g Iprojects\737081mas€e6wplg050213708gw As Page 16 of 17 <br />