Laserfiche WebLink
Table 3. Historical Groundwater Analytical Data, T&T Trucking, Lodi, California <br /> All concentrations in g1L <br /> Sample Depth, EPA Method 8260B <br /> idents icaton Date feet Benzene Toluene Eth lbenzene Xylenes TPH-G MTBE Other Analytes <br /> MW-1 12/7/1995 70-90 11 82 <15 32 700 -- <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 <20 16 4,200 1,300 Isopropyl benzene 2 6 <br /> 1/26/2000 21 <20 <20 <20 <500 2,300 <br /> MW-2 8/14/1998(a) 60-80 83 16 <10 <1 0 1,100 <5 0 -- <br /> 4/27/1999 3 76 08 54 <50 10 <br /> 1/26/2000 <0 5 <0 5 <0 5 <0 5 <50 <5 0 <br /> MW-3 8/14/1998 (a) 60-80 87 86 <25 17 2,400 <5 0 -- <br /> 4/27/1999 1,200 10 <05 150 8,500 <50 Isopropyl benzene 4 7 <br /> 4/27/1999 -- -- -- -- -- -- 1,3,5-Tnmethylbenzene 2 5 <br /> 4/27/1999 -- -- -- -- -- 1,2,4-Tnmethylbenzene 6 3 <br /> 4/27/1999 -- -- -- -- -- -- sec-butylbenzene 12 <br /> 4/27/1999 -- - -- -- -- -- n-butylbenzene 15 <br /> 1/26/2000 620 083 <05 14 2,600 21 <br /> i <br /> MW-4 8/14/1998(a) 60-80 93 <10 <10 <10 1,500 <5 0 -- <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 37 <05 <05 <05 280 47 <br /> TPH-G=total petroleum hydrocarbons as gasoline <br /> MTBE=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 MTBE(46µg/L)was qualified by the lab as"elevated"as a result of possible interference <br /> BCSAC01116000116271\TABLFS\T3 XLS <br />