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GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-5 <br /> Site Address: 437 East Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Well 05r Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: ,J Field Tech(s): <br /> Date Purged, �'�q ps <br /> Purge Method:Disposable bailer/other a� Weather Conditions: !h <br /> Casing Material: PeiG <br /> Well Diameter. 2.00 in. <br /> Total Depth: 52.55 ft from TOC Volume 314'=0.02 1-=0.04 2"=.16 3"_.38 <br /> Depth to Water: 0.7 ft from TOC Factor(VF) 4"_.66 5'=1.02 6'=1.50 12'=5.80 <br /> Water Column: ft. <br /> Water Column Volume: 3•S" gal(WC X VF) 60%Recovery from TOC:=Total Depth-(Water Column X.6)_ <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential(ORP) Conductivity <br /> (gal) (mg/L (mVolts) °C uSlcm (NTUs <br /> oW PW ,� i 7 <br /> 2 <br /> 3 . a�.�a •3 <br /> 4 <br /> Sample Collection: <br /> Date Sampled: -D <br /> Sampling MethoDisposable Baffle Ther <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> ,B` 40 ml glass vial Ice/HCI TPHg 8015, BTEX 8021, 5-O 's 8260 <br /> i <br /> Comments <br /> t � <br /> Signature C.. Date �' '0 <br />