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Table 14 <br /> Dual Phase Extraction System-Soil Vapor Influent Analytical Data and Mass Recovery <br /> Parcel 2A-L&M OU <br /> 666 West Weber Avenue,Stockton,CA <br /> Well Influent Concentrations TPHg Recovery Benzene Recovery MtBE Recovery <br /> Hour Field Recovery Recovery Recovery <br /> Meter Flow Ethyl- Total Rate Period Net Cumulative Rate Period Net Cumulative Rate Period Net Cumulative <br /> Date Sample Reading Rate TPHg Benzene Toluene benzene Xylenes MtBE (lbs/day) Recovery Recoverey (lbs/day) Recovery Recoverey (lbs/day) Recovery Recoverey <br /> Sampled ID Notes (hours) (scfm) (ppmv) (ppmv) ppmv ppmv ppmv ppmv) [1] lbs [2] (lbs)[3] [1] (lbs)[2] (lbs)[3] [1] lbs [2] (lbs)[3] <br /> Notes(continued): <br /> j =System air flow rate and temperature based on historical averages due to inadvertant omission from field notes. <br /> k=System not sampled for analytical due to electrical problems with the extraction blower.Removal calculation based on previous months analytical data. <br /> I =SV-INF collected one day after O&M readings due to collapse of sample bag collected on 7/30/2007. <br /> Molecular Weights: <br /> TPHg =102 g/mol <br /> Benzene=78 g/mol <br /> MtBE =88 g/mol <br /> Specific Weight: <br /> Specific Weight of gasoline =6.1 pounds per gallon <br /> Specific Weight of benzene =7.4 pounds per gallon <br /> Specific Weight of MtBE =6.18 pounds per gallon <br /> \\Us1345-f01\secor\projects-077\Tidewater\TW Stockton(Parcel 2A-0415)\Engineering\O&M\Tables\O&M Tables 2010\4Q10\Parcel 2A OM Tables 4010.xlsx Page 3 of 4 <br />