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i <br /> Table 5 <br /> Vapor Extraction Test Monitoring Data <br /> ARCO Station 2130 <br /> 7906 North El Dorado Street, Stockton, California <br /> (December 30, 1991) <br /> Air Stream Conditions for Extraction dell VW-1 Observation Wel( Data Vapor Sample Collection and Analysts <br /> Time Air Air Air Vacuum OVA VW-2 VW-3 VW-4 Vapor TPHg Benzene Toluene Ethyl- Total <br /> Velocity FIowrate Temp Conc. Vacuum Vacuum Vacuum Sample No Benzene Xylenes <br /> (fpm) (cfm) (F) (Vacuum) <br /> H20} (ppmv) in H20) (in H20) (in H20) (mg/m^3) (mg/m^3) (mg/m^3) (mg/m^3) (mg/m^3) <br /> 10.00 4,750 104 61 67 9,500 0 04 0 84 0 50 NR MR MR MR MR MR <br /> 10.30 5,100 111 62 78 MR 0 04 0 84 0 51 AS-1230-INF1 43,000 1,500 1,200 59 120 <br /> 11-00 5,000 109 62 75 NR 0 045 0 85 0 52 MR MR NR MR NR MR <br /> 11:30 5,000 109 62 75 MR 0 035 0 84 0 50 MR MR MR MR NR MR <br /> 12 00 5,000 109 62 75 MR 0 04 0 88 0 54 MR MR NR MR MRANI12 30 5 000 109 62 75 MR 0 04 0 88 0 54 AS-1230-EFF1 1,500 120 52 5 212:30 5 000 109 62 75 10 000 0 04 0 88E39 <br /> 54 AS-1230-INF2 64000 2100 1600 67 <br /> Distance from Vapor Extraction well V1-1 (feet) 128 25 5 7 <br /> Air Stream Conditions for Extraction Well VW-4 Observation hell Data Vapor Sample Collection and Analysis <br /> Time Air Air Air Vacuum OVA VW-1 VW-2 VW-3 Vapor TPHg Benzene Toluene Ethyl- Total <br /> Velocity Flowrate Temp Conc Vacuum Vacuum Vacuum Sample No Benzene Xylenes <br /> (fpm) (cfm) (F) (Vacuum) <br /> H20} (ppmiv) (in H20) (in H20) (in H20) (mg/m^3) (mg/m^3) (mg/m^3) (mg/m^3) (mg/m^3) <br /> 13.30 4,750 104 63 68 10,000 0 56 0 10 1 AS-1230-INF3 100,000 6,600 6 000 340 930 <br /> 14 00 4,450 97 63 60 MR 0 70 0 185 1 31 MR MR MR MR MR MR <br /> 14 30 4,500 48 63 62 MR 0 73 0 160 1 42 MR NR MR MR MR MR <br /> 15 00 4,550 99 63 63 MR 0 79 0 19 1 51 MR NR MR MR MR MR <br /> 15 30 4,550 99 63 63 NA 0 79 0 19 1 51 MR NR HR MR MR HR <br /> 16 00 4,550 99 63 63 MR 0 79 0 19 1 51 MR NR MR MR MR NR <br /> 16.30 MR MR NR MR MR MR MR MR AS-1230-EFF2 810 89 41 5 7 21 <br /> 16 30 NR MR NR NR MR MR MR MR AS-1230-INF4 52,000 1,700 1,100 67 190 <br /> Distance from Vapor Extraction well VW-4 (feet) 39 7 89 18 5 <br /> Notes Sample designation <br /> fpm = feet per minute NR = Not Recorded AS-1230-INF1 <br /> cfm = cubic feet per minute NA = Not Analyzed AS = Air Sample <br /> ppmv = parts per million by volume TPHg = Total Petroleum Hydrocarbons 1230 = Sample Date <br /> in H2O = inches of water column reported as gasoline INF1 = Influent air sample number <br /> mg/m^3 = milligrams per cubic meter EFF1 = Effluent air sample number <br /> 30003-7 <br />