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GROUNDWATER SAMPLING DATA SHEET WelllPiezo ID: U-26 <br /> Site Address: 437 East Miner Avenue,Stockton, Ca. <br /> ENSR No. 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: Field Tech(s): i,�4ai rci a +i <br /> Date Purged: it-&-o; - <br /> Purge Method: Disposable bailer th jV Weather Conditions: f <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 115.27 ft from TOC Volume 3f4"=0.02 1"=0.04 2"=.16 3"=.38 <br /> Depth to Water: ' ft from TOC Factor(VF) 4'=.66 5"=1.02 6'=1.50 12"=5,80 <br /> Water Column: ft. <br /> Water Column Volume: > ", gal(WC X VF) 80%Recovery from TOC:=Total Depth- (Water Column X.8)_ <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color[Clarity Other Other <br /> Removed Potential(ORP) Conductivity .. <br /> al m /L mvolts °C A oPI NTUs <br /> .0 L -y <br /> ! 2 <br /> 3 < + '1 <br /> 4 <br /> Sample Collection: <br /> Date Sampled:_ //.-...16- <br /> Sam lin Method: IMs b <br /> - <br /> ther <br /> Sample Type: Grab <br /> Sample ID #of containers Container T e Preservation Analysis Time <br /> U-Zll 5 40 mL lass vial Ice/HCI TPHg 8015, BTEX 8021, 5-0 's 8260 <br /> Comments <br /> 1 <br /> Signature Date <br /> i* <br /> r <br />