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TABLE 5 <br /> FLOW RATES AND ANALYTICAL RESULTS OF AIR SAMPLE ANALYSES <br /> ARCO Service Station No. 548 <br /> 1612 Hammer Lane, Stockton, California <br /> Date Flow Rate* Vacuum Sample Analyses(m m3 <br /> cfm "WC Location TPH Benzene Toluene Eth lbenzene Xylenes MTBE <br /> Influent 2,650 9.83 116 55.9 241 123 <br /> 09/28/00 54 18 Influent 9870 60.1 439 207 874 416 <br /> Effluent 19.7 .214 .247 .217 1.28 <0.5 <br /> T-Influent 1,920 8.56 70.2 48 227 50.1 <br /> 10/19/00 46 16 Influent 7430 20.4 340 193 911 218 <br /> Effluent <10.0 <0.05 .0502 <0.05 0.119 <0.5 <br /> T-Influent 1,500 2.98 46.9 38.6 189 NR <br /> 11/28/00 42 20 Influent 5910 13.2 192 156 747 NR <br /> Effluent <10.0 <0.05 <0.05 <0.05 <0.05 NR <br /> Influent 2,810 3.84 68.2 53.5 266 14.6 <br /> 12/07/00 49 10 6,050 9.2 173 136 641 33.9 <br /> Effluent <2.8 <0.016 <0.013 0.014 0.013 0.5 <br /> T-Influent 203 0.128 4.18 3.72 20.1 <0.5 <br /> 1/8/01 46 17 Influent 300 0.188 6.61 5.33 27.9 <0.5 <br /> Effluent 54.8 0.068 <0.05 <0A5 0.064 <0.5 <br /> T-Influent 261 `1 <0.05 4.01 4.55 24.8 <0.5 <br /> 01/23/01 32 26 Influent 301 '1 0.052 4.65 5.13 27.3 <0.5 <br /> Effluent <10.0 <0.05 <0.05 1 <0.05 0.09 <0.5 <br /> T-Influent 2,1301'1 <2.5 45.5 59.6 274 <25 <br /> 02/06/01 32 26 Influent 2,580'1 <2.5 52.8 68.2 318 <25 <br /> Effluent <10.0 <0.05 <0.05 <0.05 0.074 <0.5 <br /> T-Influent 1,3901 <2.5 12.1 47.8 279 <25 <br /> 03/07/01 30 22 Influent 1,77021 <2.5 16.7 63.9 370 <25 <br /> Effluent <10.0 <0.05 <0.05 <0.05 0.074 <0.5 <br /> mghn =milligrams per cubic meter <br /> WC=inches of water column. <br /> NR-Not reported <br /> *=Flow rates are averages between sampling events(before dilution air) <br /> T-influent-Influent to catox after dilution <br /> TPH=total petroleum hydrocarbons <br /> [1}=Weathered Gasoline C6-C12 f Unidentified Hydrocarbos C6-C12 <br /> [21=Weathered Gasoline C6-C12 <br /> 0548 Quarterly Data Page I of 1 Delta <br />