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• • • <br /> Table 1 <br /> Groundwater Monitoring Data <br /> Former Doily Madison Facility <br /> 1426 South Lincoln Street <br /> Stockton, California <br /> Top of Static Water Groundwater Top of Ethyl- Total MTBE <br /> Well Sampling Casing Level Elevation Screen TPHG Benzene Toluene benzene Xylenes (U5 EPA <br /> ID Date (feet msl) (feet bgs) (feet msl) (feet bgs) (ug/L) (ug/L) (ug/L) (uglL) (uglL) 8020) <br /> MW-2 316!97 917 2355 -1438 15 220 33 1 1 2 5 2 3 <3 <br /> 5/19197 2326 -1409 100 <0 5 <0 5 <0 5 <0 5 NA <br /> 8121197 2414 -14 97 240 20 <0 5 18 53 NA <br /> 11/17/97 2516 -1599 290 48 <0 5 31 2 8 NA <br /> 2111198 2145 -1228 69 2 8 <0 5 1 1 055 NA[2] <br /> 5121198 1865 -948 <50 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> 8111198 1883 -966 210 3 61 <0 5 776 862 <5 <br /> 1119198 19 93 -1076 206 0 893 <0 5 287 0 832 <5 <br /> 5125198 1858 -941 636 0 553 <0 5 1 09 2 15 <5 <br /> 8118199 19 57 -104 124 2 0 585 0 929 0 748 <5 <br /> 10/11/99 2206 -1289 130 <0 5 <0 5 0 91 <0 5 NA[2] <br /> 311100 1881 -964 120 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> 611100 1847 -93 110 <0 5 <0 5 <0 5 <0 5 NA [2] <br /> 8130100 1919 -1002 <50 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> 11/21100 2004 -1087 77 <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 Files\IBC1Stockton\Tableslibc--4Q00 Page 2 of 2 S TRA TUS <br />