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anww <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo 1D: U-21 <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): ,v -GasL4 <br /> Date Purged: <br /> Purge Method: isposable bailer/ the <br /> Weather Conditions: <br /> Casing Material: C� <br /> Well Diameter: 2.00 in_ <br /> Total Depth: 119.76 ft from TOC volume 3/4"=0.02 11=0.04 2"=A6 3"=.38 <br /> Depth to Water: ft from TOC lFactor(W) 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 <br /> Removed Potential(ORP) Conductivity <br /> gat (mg/L rnVolts °C) (NTUs <br /> 0 Z � ` 7 Y r <br /> .s O` 1 37 <br /> i Z_'(Yl 2 <br /> C << <br /> 3 ( l e <br /> 4 <br /> 4 <br /> Sample Collectio <br /> Date Sampled: <br /> Sampling Metho _ osable Bailer er <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> -� 5 40 mL glass vial Ice/HCI TPHg 8015, BTEX 8021,5-O 's 8260 �• 2 <br /> Comments <br /> Signature Date I Y> <br />