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Table 4. Summary of HydroPunch Groundwater Analytical Data <br /> Sample Date Depth, All concentrations in pg/L <br /> identifcaton feet Benzene Toluene Ethylbenzene Xylenes TPH-C MTBE <br /> MW-2 8/10/98 75 5-77 65 2 1 <0 5 1 3 550 <5 0 <br /> MW-3 8111198 75-78 21 9 6 1 0 8 7 890 <5 0 <br /> MW-4 1 8/12/98 1 71-74 730 <10 <10 15 3,000 17 <br /> I <br /> TPH-G=Total Petroleum Hydrocarbons as Gasoline <br /> MTBE=Methyl-t-butyl ether <br /> I <br /> Notes 1 BTEX and TPH-G analyzed using EPA Method 8020/602 <br /> 2 MTBC analyzed using EPA Method 8020/602 and 8260B <br /> 3 The MTBE result shown is from EPA Method 8260E <br /> BCSACOM 600W 627 1\TABLES\]4 XLS <br />