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TABLE 2A <br /> VAPOR EXTRACTION TEST MONITORING DATA <br /> Fire Engine Company No 2 <br /> 110 West Sonora Street, Stockton, Californm <br /> September 28, 1992 <br /> (Page 1 of 1) <br /> Air Stream Conditions for Vapor Extraction Well VW-2S Observation Wel(Vacuum (in H2O) Vapor Sample Collection and Analysis (mU10) <br /> Time AirAir OVA Vacuum Temp VW-1 MW i VW-3 VW-2D Vapor Benzene Toluene Ethyl- Total TPHg <br /> Velocity Flowrate Cone Sample No Benzene Xylenes <br /> (fpm) lacfm) (ppm) (in H2O) (F) <br /> 11 30 300 262 043 94 002 002 0 0 - - - - <br /> 1200 300 262 7250 1 10 100 003 002 0 0 - - <br /> 12 30 300 28 2 8000 24 100 00e 002 0 003 A-0928 INF1 60 1,400 99 320 13,000 <br /> 1300 300 26 2 8000 22 101 006 004 001 004 <br /> 1330 700 61 1 5500 3 7 101 009 005 001 008 - <br /> 1400 700 61 1 8600 41 101 009 005 001 009 A-0928 EFF1 12 15 21 7 2 81 <br /> 1430 700 81 1 7900 41 103 009 005 001 009 A-0928-INF2 130 2,300 210 880 18,000 <br /> 1500 700 81 1 - 41 104 009 005 001 010 - - <br /> Distance from Vapor Extraction Well VW-2S {feet) 17 19 23 033 <br /> Air Stream Conditions for Vapor-Extraction Well VW-2D Observation WeII Vacuum (in H2O) Vapor Sample Collection and Analysis (mg/m3) <br /> Time Air Air OVA Vacuum Temp VW 1 MW 1 VW-3 VW-2S Vapor Benzene Toluene Ethyl- Total TPHg <br /> Velocity Flowrate Conc Sample No Benzene Xylenes <br /> (fpm) (acfm) (ppm) (in H2O) (F) <br /> 1445 300 262 1500ff4108 <br /> 4 001 0 0 0 - <br /> 15 15 300 282 15007 001 0 0 0 <br /> 1545 800 69 8 2200 001 0 0 0 <br /> 1615 750 65 4 300010 001 0 0 0 A-092B INF3 270 85 12 18 6,500 <br /> Distance from Vapor Extraction Well VW 2D (feet) i 17 19 23 0 33 <br /> I <br /> Air Stream Conditions for Vapor-Extractlon Well VW 3 Observation Wail Vacuum (in H,0) Vapor Sample Collection and Analysis (mg/m') <br /> Time Air Air OVA Vacuum Temp VW-2S MW-2D VW 1 MW-1 Vapor Benzene Toluene Ethyl Total TPHg <br /> Velocity Flowrate Conc Sample No Benzene Xylenes <br /> (fpm) (acfm) (ppm) (in H2O) IF) <br /> 1600 350 305 2 0 110 0 0 0 0 <br /> 1630 350 305 <400 2 8 110 0 0 001 0 <br /> 1700 1100 900 <400 102 110 0 0 001 0 - ' <br /> 1730 1100 900 160 102 112 O 0 001 0 A-0928-INF4 0 12 1 7 065 1 8 14 <br /> pistance from Vapor-Extraction Well VW-3 (feet) 23 23 40 41 5 <br /> 38009138009-OMM-TUS WM <br />