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. Tabe <br /> Summary of Discrete Groundwater Sample Analytical Results <br /> from Soil Borings and Cone Penetrometer Tests <br /> Chevron 9-2033 <br /> 508 West Charter Way <br /> Stockton,California <br /> Sample Sample Depth Date TPHg Benzene Toluene Ethylbenzene Xylenes MtBE Ethanol Methanol EtBE TAME TBA 12 DCA DBA DIPE <br /> Name (feet bgs) Sampled (ugA) (ugA) (ugA) NO (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) NO <br /> j <br /> SB-2.46 5" 465 08131/00 790 21 48 35 20 <0 5 <50 <0 5 <0 5 11 13 <br /> S13-2,54' 54 08/31/70 3,100 370 96 60 62 <1 0 <100 <1 0 <1 0 20 <1 0 <br /> SB-2,82- 82 08/31/00 <50 is <0 50 <0 50 <0 50 <0 50 60 <0 50 <0 50 <5 0 <0 50 - <br /> SB-3,35" 35 001/00 42,000 10,000 23 3,300 2,800 46,000 - <50,000 320 280 3,800 130 -- - <br /> SB-3,62 5" 625 001100 170 10 <0 50 39 38 160 - <50 <0 50 078 23 44 - <br /> SB-3 86 5" 865 09/01/00 <50 1 3 <0 50 <0 50 <0 50 60 -- <50 <0 50 <0 50 <5 0 <0 50 <br /> S13-4,4V 44 09/01/00 840 22 1.2 64 10 20 — <50 <0 50 <0 50 34 053 — <br /> S13-4 56" 56 09/01/00 1,200 84 18 45 16 44 — <50 <0 50 <0 50 12 <0 50 <br />'E <br /> SB-4,83- 83 09/01/00 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <0 50 <5 0 <0 50 - <br /> SB-5,42" 42 05/17/01 100,000 6900 16000 1400 8200 <25 <250 <5000 <25 <25 <250 <25 <25 <25 <br /> SB-5 81" 81 05!17/01 5000 41 1301 73 460 <0 50 <20 <50 <0 50 <0 50 <50 1 7 069 <0 50 <br /> SB-6,38" 38 05/17/01 180 <0 SO <0 50 <0 50 <0 50 19 <5 0 <50 <0 50 <0 50 17 081 <0 50 <0 50 <br /> SB-6,631 53 05117/01 3200 180 27 43 110 <1 0 <10 <100 <1 0 <1 0 <10 <1 0 <1 0 <1 0 <br /> S13-6,63&' 63 05/17/01 590 76 45 10 81 <0 50 <20 <50 <0 50 <0 50 82 <0 50 <0 50 <0 50 <br /> S13-7,58" 58 5/17/01 3100 250 12 21 74 <2 0 <20 <200 <2 0 <2 0 31 <2 0 <2 0 <2 0 <br /> S13-7,87- 87 5/17/01 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <0 50 <0 50 <5 0 <0 50 <0 50 <0 50 <br /> SB8,35" 35 5/17/01 580 16 <0 50 <0 50 <0 50 28 <10 <700 42 1 8 25 18 <0 50 <0 50 <br /> SB-8,58" 58 5/17101 <50 <0 50 093 <0 50 27 <5 0 <50 <0 50 <0 50 <5 0 <0 50 <0 50 <0 50 <br /> ugA=Micrograms per liter <br /> TPHg=Total petroleum hydrocarbons as gasoline <br /> MtBE=Methyl tertiary butyl ether <br /> EtBE=Ethyl tertiary butyl ether <br /> TAME=Tertiary amyl methyl ether <br /> TBA=Terrhary butyl alcohol <br /> 1,2-DCA=1,2-Dichloroethane <br /> DIPE=Diisopropyl ether <br /> bgs=below ground surface <br /> =Samples were analyzed using EPA Method 82608 <br /> results in bold are analytes detected above the laboratory method reporting limit <br /> I <br /> i <br />