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Working To Restore Nature ' Report on Vapor Extraction Test January 29, 1993 Coca-Cola Former Distribution Facility, Stockton, California 54006.01 TABLE 2 ' VAPOR EXTRACTION TEST FIELD MONITORING RESULTS Coca-Cola Former Distribution Facility 1100 North Wilson Way Stockton California Observation Wells Extraction Well VEW-3 Data VEW-1 VEW-2 VEW4 VEW-S VEW-6 VEW-7 VEW-8 Flow Cone Applied Elapsed Induced Induced Induced Induced Induced Induced Induced ' Vacuum Time Vacuum Vacuum Vacuum Vacuum Vacuum Vacuum Vacuum 262 11500 10 5 025 012 072 008 014 0 14 006 ' 262 >10,000 10 20 027 009 078 009 014 015 007 262 >10,000 to 40 027 009 0 78 009 016 016 006 262 >10 000 10 105 027 009 075 008 014 015 006 262 >10 000 10 125 027 008 075 008 014 015 006 ' Distance from well VW-3(feet) 24 21 26 50 40 18 37 Screen Interval (feet) 25-45 8-28 43-68 7 5-67 5 70-47 7547 60-46 Depth to Water(DTW feet) Dry Dry Dry Dry Dry Dry Dry Vapor extraction well VEW-3 screened from 8-68 feet BTW - Dry ' Observation Wells Extraction Well VEW 1 Data VEW-2 VEW-3 VEW-4 VEW-5 VEW-6 VEW-7 VEW-8 Flow Cone Applied Elapsed Induced Induced Induced Induced Induced Induced Induced ' Vacuum Time Vacuum Vacuum Vacuum Vacuum Vacuum Vacuum Vacuum 109 2500 100 4 002 0 14 0 005 007 005 002 ' 98 I NM 90 10 003 017 001 008 007 008 002 828 2,800 85 30 003 017 001 007 007 007 002 Distance from well VW-1 (feet) 45 24 25 38 28 36 57 ' Screen Interval (feet) 8-28 8-68 43-68 7S-675 70-47 75-47.5 6 0-46 Depth to Water(DTW,feet) Dry 678 Dry Dry Dry Dry Dry Vapor extraction well VEW-1 screened from 2545 feet DTW - Dry ' Flow measured in cubic feet per minute (C r-M) Concentration (Cont) measured as parts vapor pt-r mullion parts of air by volume(ppmv) on Bachdrach 503A explosivity meter Vacuum measured in inches of water column Time measured in minutes from startup of IC engine at each extraction well ' NM Not measured 1 I