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0M. <br /> GROUNDWATER SAMPLING DATA SHEET WelltPiezo ID: U-4 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR No. 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: `1 Field Tech(s): <br /> Date Purged: -a) <br /> Purge Method:Disposable bailer otliesdL-�!? Weather Conditions: <br /> J� <br /> Casing Material: PV L <br /> Well Diameter: 2.00 in. <br /> Total Depth: 52.97 ft from TOCVofume 314"=0.02 1"=0.04 2"=.16 3"=.38 <br /> Depth to Water: . ft from TOC Factor(VF) 4"=.66 5"=1.02 6"=1.50 12"=5.80 <br /> Water Column: ft. <br /> Water Column Volume: ,S _ gal(WC X VF) 80%Recovery from TOC:=Total Depth-(Water Column X.8)= <br /> Time Volume DO Redox Temperature Specific PH Turbidity ColorlClarity Other <br /> Removed Potential(ORP) Conductivity <br /> al) (mg/L) (mVolts °C) (NTUs <br /> ?_! 0 1 0 G 0 <br /> ! i C, 70 AO << <br /> 1 <br /> y 32. C" L` G 2 <br /> 4 <br /> Sample Collection: . <br /> Date Sampled: f. <br /> Sampling Method• isposable Bailer her 2- <br /> Sample Type: Gra <br /> Sam le ID #of containers Container Type Preservation Analysis Time <br /> j.- 5 40 ml-glass vial Ice/HCI TPHg 8015,BTEX 8021,5-O 's 8260 <br /> s rC i , e <br /> J G <br /> Comments L �U i/i1� Glc > <br /> Signature <br /> w w w wiw �w w ww w■ w� �w w w w ww ww w ww w w <br />