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ED=. <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-16 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR Job#: 06940-325-100 Wall ® Piezometer ❑ <br /> Unocal Job#; 0187 <br /> Well Purging: .� t Field Tech(s): <br /> Date Purged: Z- f <br /> Purge Method:Disposable bailer/other Weather Conditions: (r16-�I� <br /> ' I <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 4.86 ft from TOC Volume V4•-0.42 1'=0.04 7=16 3"-.38 <br /> Depth to Water: 0 • ft from TOC Factor fvF) 4'=.66 5•a 1.02 6'=1.50 1T=5.80 <br /> Water Column: {t. <br /> Water Column Volume: . 1 gal(WC X VF) 80%Reoovery from TOC:=Total Depth-(Water Column X.8)_ g <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Odor Other <br /> Removed Potential(ORP) Conductivity <br /> at (mg/L mVolts °C) (uS/cm) (NTUs <br /> a" 0 <br /> 0 Ljv �___ d• S -enc Y <br /> o� <br /> O 3 <br /> 4 <br /> Sample Collection: <br /> Date Sampled: � 'c <br /> Sampling Method:Disposable Bailer/Othertejblr <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type I Preservation Analysis Time <br /> $ 40 mL glass vial Ice/HCl TPHg 8015,BTEX 8021,5-0 s 8260 <br /> Comments <br /> Signature Date_ !` 0 <br />