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iititiiititt ttiitttllitis �� IM <br /> � I �■ �� A <br /> TABLE 4 IWALYTICAL RESULTS FOR SOIL VAPOR SAMPLES, . <br /> FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA <br /> Concentration by <br /> Sample <br /> Boring Sample Depth Ethyl- m,p- <br /> No Date (feet b s) TPH Benzene Toluene benzene Xylene o-Xylene MTBE EDB Ethanol TBA IPE ETBE TAME Methanol 1,2 DCA <br /> SBI 12/28/00 25-3 590 26 84 17 73 25 15 <0 78 15 <3 1 <3 1 <31 <3 1 320 <0 78 <br /> 55-6 900 37 11 23 96 30 13 <0 74 22 <3 0 <3 0 <3 0 <3 0 260 <0 74 <br /> SB2 12/28/00 25-3 530 27 9 1 29 15 87 82 <0 70 20 <2 8 <2 8 <2 8 <2 8 170 <0 70 <br /> 55-6 900 3 1 11 32 16 88 12 <0 70 23 <2 8 <2 8 <2 8 <2 8 120 <0 70 <br /> I <br /> SB3 12/28/00 25-3 720 3 2 13 32 14 52 11 <0 70 21 <2 8 <2 8 <2 8 <2 8 120 <0 70 <br /> 55-6 640 26 10 27 12 52 76 <073 21 <29 <29 <29 <29 130 <073 <br /> SB4 12/28/00 25-3 560 23 92 18 75 26 17 <070 96 <28 <28 <28 <28 <70 <070 <br /> 5 5-6 740 27 13 29 12 43 18 <0 70 12 <2 8 <2 8 <2 8 <2 8 87 <0 70 <br /> SB5 12/28/00 25-3 140 <0 66 23 <0 66 25 076 <2 6 <0 66 40 <2 6 <2 6 <2 6 <2 6 87 <0 66 <br /> 55-6 120 <0 73 19 <0 73 19 <0 73 <2 9 <0 73 3 3 <2 9 <2 9 <2 9 <2 9 <73 <0 73 <br /> SB6 12/28/00 25-3 830 1 7 88 23 98 37 78 <0 74 93 <3 0 <3 0 <3 0 <3 0 130 <0 74 <br /> 55-6 640 2 1 12 32 14 50 53 <0 76 16 <3 0 <3 0 <3 0 <3 0 120 <0 76 <br /> S137 12/28/00 25-3 460 1 5 75 18 82 28 3 7 <0 73 11 <2 9 <2 9 <2 9 <2 9 78 <0 73 <br /> 55-6 460 2 1 97 26 12 38 43 <0 78 14 <3 1 <3 1 <3 1 <3 1 120 <0 78 <br /> 5 5-6* 430 2 1 92 26 11 3 8 44 <0 78 14 <3 1 <3 1 <3 1 <3 1 120 <0 78 <br /> SBS 12/28/00 25-3 430 2 1 74 1 5 48 13 4 5 <0 84 12 <3 4 <3 4 <3 4 <3 4 400 <0 84 <br /> 25-3* 430 20 78 16 49 14 45 <084 12 <34 <34 <34 <34 380 <084 <br /> 5 5-6 1,800 58 33 8 1 36 12 48 <0 72 54 <2 9 <2 9 <2 9 <2 9 400 <0 72 <br /> TPH-g Total Petroleum Hydrocarbon as gasoline <br /> MTBE Methyl tertiary butyl ether <br /> EDB Ethylene dibronnde <br /> TBA Tert-butyl alcohol <br /> WE Isopropyl ether <br /> ETBE Ethyl 1-butyl ether <br /> TAME t-Amyl methyl ether <br /> 12-DCA 1,2-Dichloroethane <br /> ppbv Parts per billion volumetric <br /> bgs Below ground surface <br /> * Duplicate sample <br /> note All samples analyzed per EPA Method TO-14 <br /> g1prolects1739421masterlwplraO8011sotl vapor oxygenates As Page 1 of l <br />