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I <br /> Ruiz Grocery, Tracy, CA <br /> Radius of Influence Data for VW-2 - Step 1 <br /> Test Well VW-2 <br /> Screen Interval (unsaturated) 10'-15' <br /> Applied Vacuum 20 in w c <br /> Flow Rate 5 0 cfm <br /> Time Elapsed 22 minutes <br /> Obs Point Distance from Observed vaccum <br /> ID VW-2(in feet) (in w c} <br /> RW-1 53 200 <br /> VW-3 150 088 <br /> MW-2 65 155 <br /> i <br /> IRadius of influence for VW-2 - Step 11 <br /> 200 - <br /> 180 - <br /> Radius of influence—22 feet, <br /> 160 -- where radius of influence is the <br /> distance where induced vacuum <br /> 3 140 — equals 1%of test well vacuum <br /> � 120 - <br /> 100 - <br /> > C] <br /> o 080 - <br /> d060 - <br /> a <br /> C) 040 . <br /> i <br /> 0 20 <br /> I000 <br /> 10 100 1000 <br />' Distance from test well VW-2 (in feet) <br />