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GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-2 <br /> Site Address: 437 Cast Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: Field Tech(s): Wt< CVPla,I+L- �C <br /> Date Purged: -+05- tt / <br /> Purge Method: Disposable bailerlother bo Aire-9;KG(D/ Weather Conditions: a ` <br /> Casing Material: � Rye- <br /> Well Diameter: 2.00 in. <br /> Total Depth: 58.46 ft from TOC Volume 3/4'=0.02 1"=0.04 2"=.16 3'=.38 <br /> Depth to Water: -Y It from TOC Factor(VF) 4"=.66 5"=1.02 6"=1.50 12'=5.80 <br /> Water Column: ztm ft- <br /> Water Column Volume: gal(WC X VF) 80%Recovery from TOC:=Total Depth-(Water Column X.8)= <br /> Time Volume 00 Redox Temperature Specific pH Turbidity ColorfClarity Other Other <br /> Removed Potential(ORP) Conductivity <br /> (gal) m 1L mVolts °C (US/cm) NTUs) <br /> oI 4. —p 7, C <br /> 112,6 k <br /> 12 1/0 <br /> Y3D 3 <br /> 4 <br /> Sample Collection: <br /> Date Sampied: - 1 'a <br /> Sampling Method f6isposable Bal (Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 40 ml-glass vial Ice/HCI TPH 8015, BTEX 8021,5-Oxy's 8260 N iMi' Nt <br /> tE <br /> Comments <br /> 00 <br /> Signature ___ Date <br />