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TABLE 5 <br /> FLOW RATES AND ANALYTICAL RESULTS OF AIR SAMPLE ANALYSIS <br /> Former ARCO Service Station No, 548 <br /> 161.2 Hammer Lane, Stockton,California <br /> Date Flow Rate" Vacuum Sample AnalvseS m m3 <br /> (cfm) ("WC) Location TPH Benzene Toluene Eth ]benzene Xylenes MTBE <br /> T-Influent 8801 <0.25 2.3 2.7 30 <2.5 <br /> 01/08/02 45 55 Influent 1,2001 0.60 2.4 4.0 43 <5.0 <br /> Effluent <10 <0.050 <0.050 <0.050 <0.050 0.73 <br /> T-Influent 5701 <2.5 9.1 <2.5 25 <25 <br /> 02/04/02 45 60 Influent 600 <2.5 6.2 <2.5 21 <25 <br /> Effluent <10 <0.050 <0.050 <0.050 <0.050 <0.50 <br /> T-Influent 580 <2.5 4.1 12 84 <25 <br /> 03/04/02 40 50 Influent 670 1.8 1.1 1.1 16 <5.0 <br /> Effluent <10 <0.050 <0.050 <0.050 <0.050 <0.50 <br /> T-Influent 280 <0.50 1.2 0.53 7.1 <5.0 <br /> 4/1/02 40 46 Influent 350 <0.50 <0.50 <0.50 4.5 <5.0 <br /> Effluent <10 <0.050 <0.050 <0.050 <0.050 <0.50 <br /> T-Influent 180 <0.050 0.23 0.20 3.8 <0.50 <br /> 6/24/02 44 47 Influent 2401 <0.050 0.28 0.92 5.8 <0.50 <br /> Effluent <10 <0.050 <0.050 <0.050 <0.050 1 <0.50 <br /> mg/m3=milligrams per cubic meter <br /> **Flow rates are averages between sampling events(before dilution air) <br /> WC=inches Water Column <br /> NR-Not reported <br /> T-influent-Influent to catox after dilution *=Weathered Gasoline C6-C12+Unidentified Hydrocarbos C6-C12 <br /> TPH=total petroleum hydrocarbons 1 =Hydrocarbon pattern does not resemble pattern of the requested fuel <br /> Ano-0548-Quarterly O&M Page 2 of 2 <br />