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EMS. <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-14 <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)_ 1/�C <br /> Date Purged: d - <br /> Purge Method: Disposable bailer/other 5 r `-V — `Y Weather Conditions: G[ <br /> Casing Material: Q V L <br /> Well Diameter: 2.00 in. <br /> Total Depth: 74.56 ft From TOC Volume 314"=0,02 1"=0.04 2'=.16 3'=.38 <br /> Depth to Water: &oft from TOC Factor(VF) 4"=.66 5"=1.02 6"=1.50 12'=5.80 <br /> Water Column: 1#71ft. <br /> Water Column Volume: *7- gal(WC X VF) 80% Recovery from TQC:=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 uSlcm NTUs <br /> 7 o I'S 7 sd <br /> 1 1.1 - 7•V <br /> 2 N, 7- — r?i '�- f <br /> f 3 3 —11 ,.3 —10 .20,3 D 7. k <br /> 4 0441 <br /> Sample Collection: <br /> Date Sampled: 1;7 1 <br /> Sampling Metho isposable Bail Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 40 mL glass vial Ice/HCI TPHg 8015, BTEX 8021, 5-Ox 's 8260 !3S <br /> Comments <br /> Date <br /> Signature �/ �� <br />