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.w..� �� �� �� �e mow■ � » � � � � � � � <br /> • � s <br /> TABLE 1 (continued) <br /> Casing Depth Groundwater LPH Concentration( g/L) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> No Date (ft msl) (ft) (ft msl) (ft) Benzene Toluene benzene Xylenes T?H-g MTBE <br /> Trip 08/26/97 <0.5 <0 5 <0 5 <0 5 <50 <2 5 <br /> Blank <br /> Rinse 08/26/97 <0.5 <0.5 <0 5 <0.5 <50 <2.5 <br /> Blank <br /> a Water in well may be residual water In end cap <br /> b Unidentified hydrocarbons present <br /> c Hydrocarbons ranging from C6-C12 identified on the gasoline sample chromatogram, <br /> Indicating the presence of weathered gasoline in the sample <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,for the sample with the highest value of MTBE <br /> measured by EPA Method 8020 <br /> ft msl Feet relative to mean sea level <br /> LPH Liquid-phase hydrocarbons <br /> MTBE Methyl(-butyl ether <br /> TPH-g Total Petroleum Hydrocarbons as gasoline <br /> µg/L Micrograms per liter <br /> -- Not measured,not sampled,or not analyzed <br /> Note Groundwater elevations adjusted for LPH,when present <br /> Data from 1187 from HLA <br /> Water sample taken from SW2 on 17 February 1994 was labeled as AS2 on chain of custody and laboratory results <br /> XLS73942Q897 TI 1 <br /> Page 27 <br />