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L J <br /> Table 3. Historical Groundwater Analytiobata, T&T Trucking, Lodi, California <br /> All concentrations in /L <br /> Sample Depth, EPA Method 8260B <br /> idenhficaton Date feet Benzene Toluene Eth lbenzene Xylenes TPH-G MTBE Other Analytes <br /> MW-1 12/7/1995 70-90 11 82 <15 3 2 700 -- <br /> 7/29/1997 240 29 10 31 5,700 <50 <br /> 8/14/1998 (a) 2,000 <25 <25 <25 5,500 46(b) <br /> 4/27/1999 220 29 <2 0 16 4,200 1,300 Isopropyl benzene 2 6 <br /> 1/26/2000 21 <20 <2 0 <20 <500 2,300 <br /> 4/20/2000 14 <5 0 <50 <50 <500 3,400 <br /> 7/21/2000 26 <5 0 <50 <50 510 3,000 <br /> MW-2 8/14/1998 (a) 60-80 8 3 16 <10 <10 1,100 <50 <br /> 4/27/1999 3 7 6 0 8 5 4 <50 10 <br /> 1/26/2000 <05 <0 5 <05 <05 <50 <5 0 <br /> 4/20/2000 <0 5 <05 <05 <05 <50 <5 0 <br /> 7/21/2000 <0 5 <05 <05 <05 <50 099 <br /> MW-3 8/14/1998 (a) 60-80 87 8 6 <2 5 17 2,400 <5 0 <br /> 4/27/1999 1,200 10 <0 5 150 8,500 <50 Isopropyl benzene 4 7 <br /> 4/27/1999 — -- -- -- -- — 1,3,5-Trlmethylbenzene 2 5 <br /> 4/27/1999 - — -- - 1, 2,4-Trlmethylbenzene 6 3 <br /> 4/27/1999 -- — - -- - - sec-butylbenzene 12 <br /> 4/27/1999 - — - — - — n-butylbenzene 15 <br /> 1/26/2000 620 0 83 <05 14 2,600 2 1 <br /> 4/20/2000 940 180 <05 20 2,100 4 1 <br /> 7/21/2000 460 0 69 <05 7 5 1,500 2 2 <br /> MW-4 8/14/1998(l) <br /> 60-80 9 3 <10 <10 <10 1,500 <50 <br /> 4/27/1999 24 22 <05 17 1,600 100 Isopropyl benzene 7 4 <br /> 4/27/1999 -- — -- -- — -- n-Propylbenzene 0 97 <br /> 4/27/1999 — -- — - -- — sec-butylbenzene 2 0 <br /> 4/27/1999 -- - — -- -- — n-butylbenzene 15 <br /> 1/26/2000 3 7 <05 <0 5 <05 280 47 <br /> 4/20/2000 07 <05 <05 <05 430 120 <br /> 7/21/2000 2 1 <05 <0 5 <05 140 180 <br /> BCSAC01\16000\16271\TABLESM XLS <br />