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RESULTS OF VENT-ROI ANALYSIS <br /> J*ADIUS OF INFLUENCE CALCULATION FOR UNSEALED SOIL VAPOR EXTRACTION SYSTEM <br /> 14ANNA PRO site in STOCKTON CA <br /> HIGH VACUUM EXTRACTION TES' <br /> Weathered Gasoline (contaminant mixture, volatile and biodegradable) <br />' log10 (MW P*) = 1. 34 - 3 . 19 6m <br /> Temperature Constant = 1904 deg K <br /> Liquid Density - 70g/cc <br /> Zero Order Bioremediation Rate Constant = 6 . 0013E-04 lb/cf day <br />' Initial Total Soil Contaminant Concentration = 1500 ppm <br /> Residual (Non-degradable) Soil Concentration = 1 ppm <br /> Vertical wells in 6. 25 inch boreholes, not extending to groundwater, <br />' screened from 35 to 45 feet <br /> Thickness of Vented Soil Interval = 10 feet <br /> Slope of logIO (P) vs Distance from Pilot Test = 9 .229302E-02 per ft <br /> Soil 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 = 90 o removal <br /> VOLATILIZATION: SINGLE WELL EFFECTIVE RADIUS = 9. 72 FEET <br /> INTERWELL EFFECTIVE RADIUS = 5. 2 FEET <br /> IBIODEGRADATION: SINGLE WELL RADIUS OF INFLUNCE = 18 . 15 FEET <br /> INTERWELL RADIUS OF INFLUENCE = 15. 79 FEET <br />' PLUS BIO. : SINGLE WELL EFFECTIVE RADIUS = 18 . 15 FEET <br /> INTERWELL EFFECTIVE RADIUS = 15 .79 FEET <br /> 1 <br />