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TABLE I (continued) <br /> Casing Depth Groundwater LPH Concentration (gg/L) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> No Date (ft msl) (ft) (ft msl) (ft) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> UVB-MW1 11/11/97 742 21 10 -1368 000 9,400 16,000 2,300 11,000 91,000 2,200 <br /> 11/11/97 <200* <br /> 03/03/98 1555 -8 13 000 13,000 36,000 3,600 18,000 140,000 3,200 <br /> 03/03/98 <br /> <200* <br /> 05/20/98 1523 -781 000 12,000 32,000 3,500 19000 140000 3,300 <br /> 05/20/98 , , <br /> <133* <br /> 08/19/98 1698 -956 000 13,000 22,000 2,900 14,000 100,000 <1,250 <br /> 08/19/98 <br /> <100* <br /> UVB-MW2 02/28/97 775 1796 -- 000 200 1,100 190 1,700 9,400 <2 5 <br /> 05/08/97 1994 -12 19 000 092 <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 000 <0 5 099 066 4 1 <50 <2 5 <br /> 03/03/98 1595 -820 000 2,200 190 <20 1,300 12,000 <100 <br /> 03/03/98 <br /> <20* <br /> 05/20/98 15 82 -807 000 2,500 180 950 1,300 16,000 560 <br /> 05/20/98 <br /> <14* <br /> 08/19/98 1703 -9 28 000 14 4 8 2 7 24 250 16 <br /> 08/19/98 <br /> <2 0* <br /> Trip 08/19/98 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> Blank <br /> Rinse 08/19/98 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> Blank <br /> a Water to 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 /> 73942 Q898 TI XLS <br /> Pa6e 29 <br />