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TABLE SIX <br /> Summary of Chemical Analyoio of G1z0UNDWATER for <br /> Samples From BP # 91194 <br /> West Grant Line Roacl, Tracy, Cahfornla <br /> DATE TPH Ethyl Total <br /> Well I p SAMPLED Gasoline Benzene Toluene benzene Xylere5 MTBE TBA <br /> MW-7 5/23/01 320 <0500 <0500 <0500 <150 426 ND <br /> 7/31/01 680 <0500 <O500 <0500 <150 959 ND <br /> 10130/01 200 <0500 <O 500 <0500 <150 227 ND <br /> 1/29/02 140 <0500 <0 500 <0500 <100 171 ND <br /> 4/30/02 <50 <0500 <O500 <0500 <100 <O 500 ND <br /> 7/30102 59 <05 <05 <05 <10 754 ND <br /> 10/31/02 56 <050 <O50 <050 <0 50 210 ND <br /> 1/30103 <500 <50 <50 <50 <50 310 ND <br /> 4/30/03 <50 <50 <50 <50 <50 48 ND <br /> 7130/03 <50 <050 <0 50 <050 <O50 17 <20 <br /> 10/29/03 <50 <050 <050 <050 <050 14 23 <br /> 1126104 <50 <050 <0 50 <050 <050 77 140 <br /> 4128/04 <50 <050 <050 <050 <O50 30 <20 <br /> MW-8 5123/01 76 <0500 <0500 <0500 <150 112 ND <br /> 7/31/01 100 <0500 <0500 <0 500 <150 95b ND <br /> 10/30/01 <50 <0 500 <0 500 <0 500 < 150 510 ND <br /> 1/29/02 <50 0 519 <0500 <0500 <100 1050 ND <br /> 4/30/02 <250 <2 50 <2 50 <2 50 <5 00 135 ND <br /> 7130/02 NOT 5AMPLED <br /> 10/31/02 <50 <050 <050 <0 50 <050 <25 ND <br /> 1130/03 <50 <050 <050 <050 <0 50 79 ND <br /> 4/30103 <50 <50 <50 <50 <50 6 1 ND <br /> 7/30/03 <50 <050 <O50 <050 <050 NA <20 <br /> 10/29/03 <50 <050 <050 <050 <050 17 <20 <br /> 1126/04 <50 <050 <050 <050 <0 50 15 <20 <br /> 4127/04 63 <050 <050 <050 <050 24 <20 <br /> DHS MCL — — __ NE- --_ 1 --� 150 _ _ -700-- 1 750 __ 1�_ -- NE"' ` <br /> Non detectable concentrations are noted by the leas than symbol(<)foPowed by the detectcon limit or ND <br /> Current anaiyt cal data ra"bold <br /> DHE)MCL ro the California Department or Health 5ervrcee maximum contaminant level for drinking water <br /> ND=Not Detected above laboratory detection limits <br /> NE=DH5 MCLS are not e5tabhshed <br /> 9A=Not Available <br /> WEE�methyi tert butyl ether <br /> T8A=tort butyl alcohol <br />