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Ir <br /> Table 3 Summary of Monitoring Well Groundwater Analytical Data <br /> Sample Date Depth, All concentrations inµg/L <br /> Identificaton feet Benzene Toluene Ethylbenzene Xylenes TPH-G MTBE <br /> MW-1 12/7/95 70-90 11 82 <1 5 3 2 700 -- <br /> 7/29/97 240 29 10 31 5,700 <5 0 <br /> 8/14/98 2,000 <25 <25 <25 5,500 97 <br /> MW-2 8/14/98 60-80 8 3 1 6 <1 0 <1 0 1,100 <5 0 <br /> MW-3 8/14/98 60-80 87 86 <2 5 17 2,400 <5 0 <br /> MW-4 8/14/98 60-80 9 3 <1 0 <1 0 <1 0 1,500 <5 0 <br /> TPH-G=Total Petroleum Hydrocarbons as Gasoline <br /> MTBE=Methyl-t-butyl ether <br /> Notes I BTEX and TPH-G analyzed using EPA Method 8020/602 <br /> 2 MTBE analyzed using EPA Method 8020/602 and 8260E <br /> 3 The MTBE result shown is from EPA Method 8020/602 and not the result from EPA Method 8260B <br /> The EPA Method 8260B result for MTBE(46 pg/L)was qualified by the lab as"elevated"as a result of possible interference <br /> i <br /> I <br /> BCSAC011160001162711TAt3I E=S113 X1 S <br />