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r <br /> TABLE 7 <br /> SUMMARY OF VAPOR ANALYTICAL RESULTS -VAPOR EXTRACTION TEST <br /> i3755 Munford Avenue <br /> r Stockton California <br /> Page 1 of 1 <br /> ' (Results in mg/m3) <br /> Ethyl- <br /> Date Sample ID Benzene Toluene Benzene Xylenes MTBE* TPHg <br /> r10/31/01 VW2(a) 140 52 <25 <25 <10 9,000 <br /> 10/31/01 VW2(b) 240 74 <25 <25 <10 18,000 <br /> ' 10/31/01 Efiluent 28 1 8 056 1 3 <2 0 230 <br /> 11/01/01 VW3 4,200 4,000 260 1,200 <100 17,000 <br /> ' 11/01/01 Effluent (a) 180 <2 5 <2 5 18 <10 3,000 <br /> 11/01/01 Effluent b 100 1 <25 <2 5 53 <10 1,900 <br /> r <br /> Notes <br /> Mg/M3 denotes milligrams per cubic Meter <br /> MTBE denotes methyl tertiary butyl ether by EPA Method TO-14 <br /> TPHg denotes total petroleum hydrocarbon as gasoline by EPA Method TO-3 <br /> * denotes sample was also analyzed for tertiary butyl alcohol, tertiary amyl ether, <br /> ethyl tertiary butyl ether, di-isopropyl ether, and ethanol by EPA method 8260 <br /> and contained no detectable concentrations of these constituents <br /> (a) denotes the sample collected after 15 minutes of vapor extraction test <br /> (b) denotes the sample collected at the end of the vapor extraction test <br /> 1 - <br /> i <br /> r <br /> i <br /> r <br /> r <br /> w 1163931tab1eslvetvapor As <br />