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i i • � � <br /> TABLE 1 <br /> Vapor Extraction Test Monitoring Data <br /> ARCO Sdrvicc Station No 548 <br /> 1612 Hammer Lane, Stockton, California <br /> March 3, 1992 <br /> Air Stream Conditions Vapor Sample Collection and Analysis <br /> Time Vapor- Air Air OVA Vapor Benzene Toluene Ethyl Total TPHg <br /> Extraction Velocity Flowrate Cone Sample No Benzene Xylenes <br /> Well (fpm) (cfm) (ppm) (mg/m"3) (mg/m"3) (mg/m"3) (mg/m"3) (mg/m"3) <br /> 12 15 VW-2 3,200 70 >10,000 A-0303-VW2 (INF)= 200 280 57 250 21,000 <br /> 12 45 VW-1 2,100 46 5,000 A-0303-VW1 (INF) 100 180 42 150 87,000 <br /> Air Stream Conditions for Vapor-Extraction Well VW-3 Observation Well Vacuum (in H O) Vapor Sample Collection and Analysis (mg/m3) <br /> Time Air Air OVA Vacuum Temp VW 1 VW-2 MW 1 MW-2 Vapor Benzene Toluene Ethyl Total TPHg <br /> Velocity Flowrate Cone Sample No Benzene Xylenes <br /> (fpm) (cfm) (ppm) (in H20) (Fl <br /> 1[14 <br /> !40 <br /> 1,350 29 NR 5 64 0 06 0 0 0 0 0 0 NA NA NA NA NA NA <br /> 1,350 29 10,000 8 64 0 05 0 0 0 0 0 0 A 0303-VW3 1 (INF) 260 440 53 200 23,000 <br /> 1,300 28 NR 8 64 0 04 0 0 0 0 0 0 A 0303 VW3 2 (EFF) 5 5 32 10 51 370 <br /> ____1,300 28 NR 9 64 0 04 0 0 0 0 0 0 NA NA NA NA NA NA <br /> 15 10 1,350 29 NR 9 64 0 045 0 o 0 0 0 0 NA NA NA NA NA NA <br /> 15 40 1,350 29 1 NR 9 64 0 045 0 0 0 0 0 0 A 0303-VW3 3 (INF) 290 410 42 150 23,000 <br /> 15 45 2,875 63 10,000 28 64 0 06 0 0 0 0 0 0 NA NA NA NA NA NA <br /> 16 15 2,900 63 NR 29 64 0 09 0 05 0 02 0 0 A 0303 VW3 4 (INF) 330 530 52 180 23,000 <br /> 16 45 2,950 64 10,000 31 64 0 11 1 0 05 0 02 0 0 NA NA NA NA NA NA <br /> 17 15 3,900 85 NR 61 64 0 22 0 1 0 02 0 0 NA NA NA NA NA NA <br /> 17 45 3,400 74 NR 65 64 0 29 0 135 0 02 0 0 NA NA NA NA NA NA <br /> 18 15 3,400 74 NR 64 64 0 30 0 135 0 02 0 0 NA NA NA NA NA NA <br /> L18 45 3,400 74 10,000 63 64 0 31 0 135 0 02 0 0 A 0303-VW3 5 (INF) 350 650 66 220 27,000 <br /> ostance from Vapor Extraction Well VW 3 (feet) 28 51 40 74 <br /> Nater Sample designation A 0303 VW5 INF/EFF <br /> fpm = t(.ct pc( minute NR = Not Rt.((jidtd A Air sang)lc <br /> cfm = Cubit f(4t 1((r muiut+ NA - Not An,ilyztd OSOS "111111Ic Dat( <br /> ppm = ports per million by volume TPHg = lutal Petrulcum Ilydioca(bons VW5 - Lxtraction w(.11 no <br /> in H2O = inches of water column reported as gasoline INF = influent air sample <br /> > = greater than capacity of measuring device mg/m"3 = milligrams per cubic meter EFF = effluent air sample <br /> 0413ccar <br /> 30004-5 <br />