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CAMBRIA <br /> Table 2. Historical Soil Analytical Data,Shell-branded Service Station,6131 Pacific Avenue,Stockton,California <br /> Sauple MTBE by MTBE by <br /> Sample Depth Date TPHg Beatscm Toluene Ethylbemzeare Xylenes 8020 8260B DIPE ETBE TAME TBA 1,2-DCA EDB Methanol <br /> ID (fbg) Sampled 4 parts per million <br /> VEW-6-9 9 10-Jan-06 43 <0.0050 <0.0050 0.13 0,13 NA 0.0068 <0.0050 <0.0050 <0.0050 0.082 <0.0050 <0.0050 NA <br /> VEW-6-19 19 10-Jan-06 <1.0 <0.0050 <0.0050 0.010 0.0069 NA <0.0050 <0.0050 <0.0050 <0.0050 0.16 <0.0050 <0.0050 NA <br /> VEW-6-29 29 10Jan-06 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 NA <0.0050 <0.0050 <0.0050 <0.0050 0.033 0.0071 <0.0050 NA <br /> VEW-6-34 34 10-Jan-06 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 NA <0.0050 <0.0050 <0.0050 <0.0050 0.020 0.0065 <0.0050 NA <br /> VEW-7.5 5 09-Jan-06 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 NA <0.0050 <0.0050 <0.0050 <0.0050 0.0092 <0.0050 <0.0050 NA • <br /> VEW-7-14 14 10-Jan-06 4.0 <0.0050 <0.0050 <0.0050 <0.0050 NA <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 NA <br /> VEW-7-24 24 10-Jan-06 <1.0 <0.0050 <00050 <0.0050 <0.0050 NA 0.024 <0.0050 <0.0050 <0.0050 0.036 <0.0050 <0.0050 NA <br /> VEW-7-29 29 10-Jan-06 1,600 0.45 26 30 160 NA <0.025 <0.025 <0.025 <0.025 <0.15 0.054 0.34 NA <br /> VEW-7-34 34 10-Jan-06 2.5 0.014 0.095 0.046 0.26 NA <0.0050 <0.0050 <0.0050 <0.0050 0.030 0.028 0.022 NA <br /> Abbreviations and Notes: <br /> TPHg=Total petroleum hydrocarbons as gasoline by EPA Method 8015(Modifse4)or equivalent. Reponed as low/mediumboiimg point hydrocarbons quantitated agabmst a gasoline <br /> standard for B-2 through B-14 and as petroleum hydrocarbons volatile for TS-1 through TS-6,TR-1 through TR-6,MW-1,MW-2,MW-3,and VEW-2. <br /> Benzene,tohrane,ethyibmzema and xylenes by EPAMethad 8020 and 8260B <br /> MTBE=Methyl tertiary-butyl ether by EPA Method noted <br /> DB'E=DusWropyl ether by EPA Method 8260B <br /> ETBE=Ethyl tertiary-butyl ether by EPA Method 82608 <br /> TAME=Ter iary-amyl methyl ether by EPA Method 8260E <br /> TBA=Tertiary-butanol by EPA Method 826013 <br /> 1,2-DCA=1,2-Dichloroethme by EPA Method 8260 <br /> EDB=1,2-Dibromoethane by EPA Method 8260 <br /> Methanol by EPA 8015(Modified) <br /> fbg=Feet below grade <br /> NA=Not analyzed . <br /> ND=Not detested(reporting limit not specified in previous table) <br /> <x=Not detected at reporting look x <br /> G1Stocktau 6131 Pacific Ave\TAB1ASWinoric WellSoil-OW Data.71s Page 6 of 6 <br />