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TABLE SIX <br /> Summary of Chemicaf Analyoi5 of GROUNDWATER for <br /> 5ample5 From Bp # 11194 <br /> West Grant Line Road, Tracy, California <br /> i <br /> DATE TPH Ethyl Tota! <br /> Well 10 SAMPLED Gasoline Benzene Toluene Benzene Xylenes MTBE T6A <br /> MW-5 5/23/01 120 0 653 <0 500 <0500 <150 6 19 ND <br /> 7/31/01 340 121 <0500 0 527 <150 465 NO <br /> 10/30/01 1900 <500 <5 00 <5 00 <15 O 2 180 NO <br /> 1/29/02 <50 <0500 <0500 <0500 <100 493 NO <br /> 4/30/02 100 <0500 <0500 <0500 <100 583 N0 <br /> 7/30/02 600 232 <2 5 429 <5 579 NO <br /> 10/31/02 81 17 <0 50 <050 <0 50 73 NO <br /> 1/30103 77 <050 <050 <050 <O50 38 N9 <br /> 4/30/03 74 <050 <050 <050 <O50 14 NO <br /> 7/30103 120 14 <10 <10 <10 67 NO <br /> 10/29/03 110 077 <05 <05 <05 18 NO <br /> 1126104 <50 <05 <05 <05 <05 12 <20 <br /> MW-6 5/23/01 17 000 259 515 117 272 159 NO <br /> 7/31/01 14 000 186 4 58 3460 942 301 NO <br /> 10/30/01 13 000 202 <25 0 1000 <750 165 O N0 <br /> 1/29102 12 000 256 836 1450 269 344 N0 <br /> 4/30/02 8 800 116 <12 5 548 <25 166 NO <br /> 7/30/02 NOT SAMPLED NO <br /> 10/31/02 44 000 270 1200 510 2 100 1 800 NO <br /> 1/30/03 8 500 23 <050 65 <O 50 62 NO <br /> 4130/03 4,900 35 <10 44 <10 80 NO <br /> 7/30/03 22 000 <25 <25 <25 <25 <25 ND <br /> 10129/03 4 700 14 <25 23 <25 <25 N0 <br /> 1/26/04 7,400 10 <10 35 <10 <10 <400 <br /> MW-7 5/23/01 320 <0 500 <0500 <0500 <150 426 NO <br /> 7131101 680 <0 500 <0500 <0500 <150 959 NO <br /> 10/30/01 200 <O 500 <0500 <O500 <150 227 ND <br /> 1/29/02 140 <0 500 <0500 <0500 <100 171 NO <br /> 4/30/02 <50 <0 500 <0500 <O 500 <100 <0 500 NO <br /> 7/30/02 59 <05 <05 <05 <10 754 ND <br /> 10/31/02 86 <050 <050 <050 <0 50 210 NO <br /> 1/30/03 <500 <50 <50 <50 <50 310 N0 <br /> 4/30/03 <50 <50 <50 <50 <50 48 NO <br /> 7/30/03 <50 <050 <050 <050 <0 50 17 NO <br /> 10/29103 <50 <050 <050 <050 <O50 14 23 <br /> 1126104 <50 <050 <050 <050 <O50 77 140 <br /> MW 8 5/23/01 76 <0 500 <0500 <0500 <150 112 ND <br /> 7/31/01 100 <0500 <O500 <0 500 <150 958 N0 <br /> 10/30/01 <50 <0 500 <0500 <0 500 <150 5 10 No <br /> 1/29/02 <50 0519 <0500 <O500 <100 10 50 NO <br /> 4/30/02 <250 <2 50 <2 50 <2 50 <5 00 135 NO <br /> 7/30/02 NOT SAMPLED <br /> 10/31/02 <50 <0 50 <050 <050 <0 50 <25 NO <br /> 1/30/03 <50 <050 <050 <050 <050 79 NO <br /> 4/30/03 <50 <50 <50 <50 <50 61 NO <br /> 7130103 <50 <O 50 <050 <050 <050 NA NO <br /> 10/29103 <50 <050 <050 <050 <050 17 ND <br /> 1126104 <50 <050 <050 <050 <050 18 <20 <br /> DHS MCL ` -NE- 1- 150 700 r - 1,750 13— NE <br /> Notes' <br /> Non detectable concentrations are noted by the less than symbol W followed by the detection hm]t or NO <br /> Current analytical data ie in bold <br /> DH5 MCL is the California Department of FleaI6 Services maximum contam rnant level for drinking water <br /> NO=Not Detected above laboratory detection hmit5 <br /> NE=DH5 MCLS are not established <br /> NA=Not Available <br /> MTBE=methyl tert butyl ether <br /> TDA=tert butyl alcohol <br />