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Project No.oo100-06-11C <br /> December 17,1996 <br /> Page 1 of 1 <br /> TABLE 4 <br /> VAPOR EXTRACTION TEST FIELD AND ANALYTICAL DATA <br /> CALTRANS STOCKTON YARD MAINTENANCE FACILITY <br /> STOCKTON,CALIFORNIA <br /> liff P ESS FLOW DATA VW-2 <br /> E�AZ 0 <br /> ANALYS]5 <br /> ri) A SOIL GAS <br /> IN 3 <br /> K Tame ' Flawrate Vacuum Tem * :_' <br /> a pSample No TPHg TPHg Mass <br /> 3 <br /> (sefm) (in H20) (F) y <br /> (mb/m'") Extraction Rate <br /> 1140 Initiate flow. <br /> 1145 54 47 104 0.2 0.4 0 <br /> 1215 52 48 96 0.7 0.3 0 <br /> 1245 50 49 98 Sample#1 0.7 0.3 0 AS0815-INF1 101,000 454 <br /> 1300 50 49 98 0.7 0.3 0 <br /> Distance from VW-2(ft.) 28 40 54 <br /> Notes: <br /> scfm =Standard cubic feet per minute TPHg = Total petroleum hydrocarbons reported as gasoline Sample Designation: Mass extraction rate= <br /> H2O =Inches of water column mg/m3 = Milligrams per cubic meter AS0815-INF1 scfm x TPHg(mg/m3)x 0.0000899 <br /> F° =Fahrenheit degrees ppd = Pounds per day AS =Air sample where 0.0000899=conversion <br /> 0815=Sample date factor for mass removal from a <br /> rNFI=Influent air sample number per minute to a per day basis <br />