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TAS 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 Ethyl- Total <br /> Well Sampling Casing Level Elevation Screen TPHG Benzene Toluene benzene Xylenes MTBE <br /> ID Date (feet msl) (feet b s (feet msl) (feet b s) (11g/L ( /L) ( L) /L) (tig/L) (USEPA 8020) <br /> MW-2 3/6/97 9 17 2355 -1438 15 220 33 1 1 2 5 2 3 <3 <br /> 5/19/97 2326 -1409 100 <0 5 <0 5 <0 5 <0 5 NA <br /> 8121197 24 14 -1497 240 20 <0 5 18 5 3 NA <br /> 11/17/97 25 16 -1599 290 48 <0 5 31 28 NA <br /> 2111/98 2145 -1228 69 28 <0 5 1 1 055 NA[2] <br /> 5121198 1865 -948 <50 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> 8/11/98 1883 -966 210 3 61 <0 5 776 862 <5 <br /> 11/9/98 1993 -1076 206 0 893 <0 5 287 0 832 <5 <br /> 5/25/98 1858 -941 63 6 0 553 <0 5 109 2 15 <5 <br /> 8/18/99 1957 -104 124 2 0 585 0 929 0 748 <5 <br /> 10/11/99 2206 -12 89 130 <0 5 <0 5 091 <0 5 NA[2] <br /> 3/1/00 1881 -9 64 120 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> 6/1100 1847 -9 3 110 <0 5 <0 5 <0 5 <0 5 NA [2] <br /> 8/30/00 19 19 -1002 <50 <0 5 <0 5 <0 5 <0 5 NA [2] <br /> 11/21/00 2004 -1087 77 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> 3/8/01 1941 -1024 0 051 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> =The method reporting limits was elevated due to high analyze concentration requiring sample dilution <br /> <=Less than the detection limits used by laboratory <br /> TPHG=Total petroleum hydrocarbons as gasoline <br /> MTBE=Methyl tertiary butyl ether <br /> NA=Not analyzed <br /> NA[2]=See Table 2(MTBE analysis by USEPA Method 8260) <br /> bgs=below ground surface <br /> msl=mean sea level <br /> C\Project FilesllBC\Stockton\TableslIBC Stockton Quarterly Data xls Page 2 of 2 5TRATUS <br />