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Ruiz Grocery, Tracy, CA <br /> Radius of i=nfluence Data for VW-2 - Step 3 <br /> Test Well VW-2 <br /> Screen Interval(unsaturated) 10'-15' <br /> Applied Vacuum 60 in w c <br /> Flow Rate 15 cfm <br /> Time Elapsed 24 minutes <br /> Obs Point Distance from Observed vaccum <br /> ID VW-2(in feet) (in w c <br /> RW-1 53 330 <br /> VW-3 150 144 <br /> IMW-2 65 210 <br />' Radius of influence for VW-2 - Step 3 <br /> 350 - <br /> N <br /> 300 - Radius of influence-20 feet, <br />' where radius of influence is <br /> v distance where induced vacuum <br /> 3 <br /> 250 --- equals 1%of test well vacuum <br /> � <br /> 200 - � <br /> u <br /> m <br /> 150 T C <br /> v <br /> y 100 - <br /> o <br /> 050 <br /> t <br /> 000 <br /> 10 100 1000 <br /> Distance from test well VW-2 (in feet) <br />