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T& 1 • <br /> Groundwater Monitoring Data <br /> Former Dolly Madison Facility <br /> 1426 South Lincoln Street <br /> Stockton, California <br /> Top of Static Water Groundwater Top of <br /> Well Casing Level Elevation Screen <br /> ID Date (feet) (feet Ethyl- Tota! <br /> (feet) (feet) TPHG Benzene Toluene benzene Xylenes MTBE [1] Observations <br /> MW-1 03/06/97 9 03 23 81 -1478 12 18,000 4,400 280 890 1,200 <300* FP=No, S=No <br /> MW-1 05/19/97 903 2308 -14 05 7,300 1,200 12 <br /> 360 550 NA FP=No, S=No <br /> MW-1 08/21/97 9 03 2377 <br /> -1474 860 130 <0 5 25 66 NA FP=No, S=No <br /> MW-1 11/17/97 9 03 2453 -IS 50 <br /> 280 56 <0 5 15 14 NA [2] FP=No,S=No <br /> MW-1 02/11/98 9 03 2168 -12 65 1,600 130 1 1 20 260 NA[2] FP=No, S=No <br /> MW-1 05/21/98 903 1856 -9 53 1,050 325 <5 29 t 63 9 < <br /> MW-I 08/11/98 903 1861 -958 50 FP=No, S=No <br /> 251 2$ 9 <0 5 520 627 <5 FP=Na, S=No <br /> MW-2 03/06/97 9 17 23 55 -1438 15 220 33 <br /> l l 2 5 2 3 <3 FP=No,S=No <br /> MW-2 05/19/97 9 17 2326 -14 09 <br /> 100 <0 5 <0 5 <0 5 <0 5 NA <br /> MW-2 08/21/97 9 17 24 14 -1497 240 20 <0 5 18 FP=No, S=No <br /> MW-2 11/17/97 9 17 25 16 -1599 5 3 A [ FP=No, S=No <br /> MW-2 02/11/98 9 17 290 48 <Q 5 31 2 8 NA [2] FP=No, S=No <br /> 21 45 -12 28 69 2 8 <0 5 1 1 055 NA[2] FP=No, S=No <br /> MW-2 05/21/98 9 17 1865 -948 <50 <0 5 <0 5 <0 5 <0 5 < <br /> MW-2 08/11/98 9 17 1883 -966 210 361 <Q 5 776 5 FP=No, S=No <br /> 8 b2 <5 FP=No, 5-No <br /> Results in parts per billion <br /> *=The method reporting limits was elevated due to high analyte concentration requiring sample dilution <br /> =Less than the detection limits used by laboratory <br /> PHG=Total petroleum hydrocarbons as gasoline <br /> MTBE=Methyl tert buiyl ether <br /> A=Not analyzed <br /> FP=Floating product <br /> S=Sheen <br /> [I]=MTBE was analyzed using USEPA Method 8020 <br /> [21=See Table 2(MTBE analysis using USEPA Method 8260) <br /> N Ixls\26051101031100698M I XLS <br /> Sheet ,ancon <br /> 1016198 <br />