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Tae 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 Ethyl- Total <br /> ID Date (feet) (feet) (feet) (LSEt2 TPHG Benzene Toluene benzene Xylenes MTBE[1] Observations <br /> MW-1 03/06/97 903 2381 -1478 12 18,000 4,400 280 890 1,200 <300* FP=No,S=No <br /> MW-1 05/19/97 903 2308 -1405 7,300 1,200 12 360 550 NA FP=No,S=No <br /> MW-1 08/21/97 903 2377 -14 74 860 130 <0 5 25 66 NA FP--No,S=Na <br /> MW-1 11/17/97 903 2453 -1550 280 56 <0 5 15 14 NA[2] FP--No,S=No <br /> MW-1 02/11/98 903 2168 -1265 1,600 130 11 20 260 NA[2] FP--No,S=No <br /> MW-1 05/21/98 903 1856 -953 1,050 325 <5 291 639 <50 FP=No,S=No <br /> i <br /> MW-2 03/06/97 917 2355 -1438 15 220 33 11 25 23 <3 FP=No,S=No <br /> MW-2 05/19/97 917 2326 -1409 100 <0 5 <0 5 <0 5 <0 5 NA FP=No,S=No <br /> MW-2 08/21/97 917 2414 -1497 240 20 <0 5 18 53 NA FP--No,S=No <br /> MW-2 11/17/97 917 2516 -1599 290 48 <0 5 31 28 NA[2] FP=No,S=No <br /> MW-2 02/11/98 917 2145 -1228 69 28 <0 5 11 055 NA[2] FP=No,S=No <br /> MW-2 05/21/98 917 1865 -948 <50 <0 5 <0 5 <0 5 <0 5 <5 FP=No,S=No <br /> Results in parts per billion <br /> *=The method reporting limits was elevated due to lugh analyte concentration requiring sample dilution <br /> =Less than the detection]mots used by laboratory <br /> HG=Total petroIeurn hydrocarbons as gasoline. <br /> E=Methyl tent-butyl ether <br /> A=Not analyzed <br /> FP=Floating product. <br /> =Sheen <br /> [1]=MTBE was analyzed using USEPA Method 8020 <br /> 1.[2]=See Table 2(MTBE analysts using USEPA Method 8260) <br /> I <br /> i <br /> N Ws\2605\10103\080498MIXLS Uncon <br /> Sheetl 8!9!98 <br />