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E� t <br /> GROUNDWATER SAMPLING DATA SHEET Weil/Piezo ID: U-22 <br /> Site Address: 437 East Miner Avenue,Stockton, Ca. <br /> ENSR No. 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 167 <br /> Well Purging- Field Tech(s): <br /> Cc -C <br /> Date Purged: <br /> Purge Method: Disposable bailer/other Weather Conditions: <br /> Casing Material: f" �r(� <br /> Weli Diameter: 2.00 in. <br /> Total Depth: 74.06 ft from TOG Volume 314'=0A)2 1"=0.04 2"w.16 3'=.38 <br /> Depth to Water: 3 Z Z`$ ft from TOC iFector(VF) 4"=.66 5"=1.02 6"=i.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)= U A24 <br /> Zel <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 /> (` ly 0 t 21 f G[lJ:. <br /> (}' 1 d 7,140 <br /> l7 2 <br /> +t <br /> 3 �jt++9 .r •�'l Y � . <br /> 4 <br /> +'4- tl A, <br /> 1. <br /> Sample Collection: <br /> Date Sampled: mk'4 <br /> Sampling Method. s o /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-O 's 8260 D <br /> Comments <br /> Signature e,W _ E']4t�n y. _ Date r o� <br /> 0 <br /> � � � r �■ � r � .r r �w � r � � rr r � � <br />