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RESULTS OF VENT-ROI ANALYSIS <br /> �DIUS OF INFLUENCE CALCULATION FOR UNSEALED SOIL VAPOR EXTRACTION SYSTEM <br /> 11ANNA PRO site In STOCKTON, CA <br /> Fresh Gasoline contaminant mixture, volatile, non-bi2de rad3blle�) Sm <br /> 1og10 {MW P*) = 190774 de K ' <br /> Temperature Constant , 7 4deg <br /> Liquid Density - <br />' Vertical wells in 6. 25 inch boreholes, notextending to groundwater, <br /> screened from 35 to 45 feet <br /> Thickness of Vented Soil Interval = 10 feet <br />' Sloppe of log10 (P) vs Distance from Pilot Test = 092293 per ft � <br /> Sol Gas Temperature = 50 deg F <br /> Applied Vacuum = 148 . 5 in. water column <br /> Air Flow Rate per Vapor Extraction Well = 15 scfm <br />' Desired Time to Cleanup = 1095 days <br /> Cleanup Goal = 80 o removal <br />'VOLATILIZATION: SINGLE WELL EFFECTIVE RADIUS = 15. 74 FEET <br /> INTERWELL EFFECTIVE RADIUS = 13 . 02 FEET <br /> I <br />