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9 = = = = = M <br /> TABLE I (continued) <br /> Casing Depth Groundwater LPH Concentration(pglL) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> No Date (ft msl) (ft) (ft ms]) (ft) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> UVB-MW1 03/03/98 742 15 55 -813 000 13,000 36,000 3,600 18,000 140,000 3,200 <br /> 03/03/98 <br /> <200* <br /> UVB-MW2 02/28/97 775 1796 -- 000 200 1,100 190 1,700 9,400 <2 5 <br /> 05/08/97 19 94 -12 19 0 00 0 92 <0 5 <0 5 1 7 58 3 0 <br /> 08/26/97 d 2087 -13 12 000 12,000 23,000 2,700 13,000 120,000 1,300 <br /> 10/02/97 -- <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 11/11/97 2143 -1368 Goo <0 5 099 066 4 1 <50 <2 5 <br /> 03/03/98 15.95 -820 000 2,200 190 <20 1,300 12,000 <100 <br /> 03/03/98 <br /> <20* <br /> Trip 03/03/98 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> Blank <br /> <2 0* <br /> Rinse 03/03/98 <br /> Blank <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> <2 0* <br /> a Water in well may be residual water in end cap <br /> b Unidentified hydrocarbons present <br /> c Hydrocarbons ranging from C6-Cl2 identified on the gasoline sample chromatogram <br /> d Analytical results may be incorrect due to possible mislabeling of samples for UVB-MW1 and UVB-MW2 <br /> Resampled on 2 October 1997 <br /> ' Confirmatory value,calculated by EPA Method 8260 <br /> ft msl Feet relative to mean sea level <br /> LPH Liquid-phase hydrocarbons <br /> MTBE Methyl t-butyl ether <br /> TPH-g Total Petroleum Hydrocarbons as gasoline <br /> ug/L Micrograms per liter <br /> XLS73942 Q398 Tl I <br /> Tube 27 <br />