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0 i * 1 1 <br /> Table 3 Historical Groundwater Analytical Data,T&T Truclung, Lodi, California <br /> All concentrations to m /L <br /> Sample Depth, EPA Method 8260B <br /> identificaton Date feet Benzene Toluene Eth lbenzene X lens TPH-G MTBE Other Analytes <br /> MW-1 12/7/95 70-90 11 82 <15 32 700 -- <br /> 7/29/97 240 29 10 31 5,700 <50 -- <br /> 8/14/1998(1) 2,000 <25 <25 <25 5,500 46(t) -- <br /> 4/27/99 220 29 <20 16 4,200 1,300 Isopropyl benzene 2 6 <br /> 1/26/00 21 <20 <20 <20 <500 2,300 <br /> 4/20/00 14 <50 <50 <50 <500 3,400 <br /> MW-2 8/14/1998 60-80 83 16 <10 <10 1,100 <50 -- <br /> 4/27/99 3 76 08 54 <50 10 <br /> 1/26/00 <05 <05 <05 <05 <50 <50 <br /> 4/20/00 <05 <05 <05 <05 <50 <50 <br /> MW-3 8/14/1998(�) 60-80 87 86 <25 17 2,400 <50 <br /> 4/27/99 1,200 10 <05 150 8,500 <50 Isopropyl benzene 4 7 <br /> 4/27/99 -- -- -- -- -- -- 1,3,5-Trtmethylbenzene 2 5 <br /> 4/27/99 -- -- -- 1,2,4-Tnmethylbenzene 6 3 <br /> 4/27/99 - sec-butylbenzene 12 <br /> 4/27/99 -- -- -- - n-butylbenzene 15 <br /> 1/26/00 620 083 <05 14 2,600 21 <br /> 4/20/00 940 180 <05 20 2,100 41 <br /> INfW-4 8/14/1998 60-80 93 <10 <10 <10 1,500 <50 -- <br /> 4/27/99 24 22 <05 17 1,600 100 Isopropyl benzene 7 4 <br /> 4/27/99 -- -- -- -- -- -- n-Propylbenzene 0 97 <br /> 4/27/99 -- - -- -- -- sec-butylbenzene 2 0 <br /> 4/27/99 -- -- - -- n-butylbenzene 15 <br /> 1/26/00 37 <05 <05 <05 280 47 <br /> 4/20/00 07 <05 <05 <05 430 120 <br /> TPH-G= total petroleum hydrocarbons as gasoline <br /> INrME=methyl-t-butyl ether <br /> Notes (a) BTEX and TPH-G analyzed using EPA Method 8020/602 MTBE analyzed using EPA Method 8020/602 and 8260B <br /> (b)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 WBE(46 mg/L)was quahfied by the lab as"elevated"as a result of possible interference <br /> uc 5ACOI\16000\16271\TARU-517;x r ti <br />