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Table 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 MTBE <br /> Well Sampling Casing Level Elevation Screen TPHG Benzene Toluene benzene Xylenes (US EPA <br /> ID Date (feet msl) (feet bgs) (feet msl) (feet bgs) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) 8020) <br /> MW-1 316197 903 2381 -1478 12 18,000 4,400 280 890 1,200 <300* <br /> 5119197 2308 -1405 7,300 1,200 12 360 550 NA <br /> 8121197 2377 -1474 860 130 <0 5 25 66 NA <br /> 11/17/97 24 53 -155 280 56 <0 5 15 14 NA[2] <br /> 2111198 2168 -1265 1,600 130 1 1 20 260 NA[2] <br /> 5121198 18 56 -953 1,050 325 <5 291 639 <50 <br /> 8111198 1861 -958 251 289 <0 5 52 627 <5 <br /> 1119198 197 -1026 975 517 <0 5 <0 5 0 684 <5 <br /> 5125198 1832 -929 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 8118199 1935 -1032 68 3 1 78 <0 5 <0 5 <0 5 <5 <br /> 10/11/99 2029 -11 26 60 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> 311100 1879 -976 190 1 <0 5 3 9 192 NA[2] <br /> 6122100 1826 -923 76 <0 5 <0 5 <1 <0 5 NA[2] <br /> 8130100 1914 -1011 120 <0 5 <0 5 <0 5 <0 5 NA[2] <br /> 11/21/00 1987 -1084 <50 <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 Troject FilesUBC\Stockton\Tableshbc-4Q00 Page t of 2 STRATUS <br />