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i <br /> i 0 i <br /> TABLE 1 <br /> Vapor Extraction Test Monitoring Data <br /> ARCO Seivicc 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 Conc 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 70 110,000 A-0303-VW2 (INF) 1 57 250 21,000 <br /> 12 45 VW t 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,0) 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 Conc Sample No Benzene Xylenes <br /> (fpm) (cfm) (ppm) (in H20) (F) <br /> 13 10 1 350 29 NR 5 64 0 06 0 0 0 0 0 0 NA NA NA NA NA NA <br /> 13 40 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 /> 14 10 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 /> 14 40 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 0 0 0 0 0 NA NA NA NA NA NA <br /> 15 40 1,350 29 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 1 NR 29 64 0 09 0 05 1 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 0 05 0 02 0 0 NA NA NA HA 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 HA NA NA NA NA <br /> 18 45 3,400 1 74 1 10,000 63 64 0 31 0 135 0 02 D 0 A 0303 VW3 5 ([NF) 350 650 66 220 27,000 1 <br /> Distance from Vapor Extraction Well VW 3 (feet) 28 51 40 74 <br /> Notes Sample designation A 0303 VW5 INF/EFF <br /> fpm = fLCt per Hnnute NR = Nit RLLordl_d A - Aii samtilc <br /> [fill a cubit fit t lit r eiinrrli NA - N< i Anulyziil 0505 s sAiijAc H iii <br /> ppm = parts per million by volume TPlig = Tutal Petro[LUm Hydiocdibons VW5 - extraction wcli 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 = mit Iigrams per cubic meter EFF = effluent air sample <br /> I <br /> I <br /> 0413ccar <br /> 30004-5 <br /> J <br />