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GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: NP-2-116 <br /> Site Address: 437 East Miner Avenue, Stockton,Ca. <br /> ENSR No. 06940-325-100 Well ❑ Piezometer a:�- <br /> Unocal No. 187 / �, <br /> Well Purging: Field Tech(s): r /e G/�KfL � � <br /> [late Purged: — 1, <br /> Purge Method: /other Weather Conditions: C.r <br /> Casing Material: <br /> Well Diameter. 1.00 in. <br /> Total Depth: 121.78 ft from 70C Volume 3r4"=0.02 r=o.o4 2"=.16 3"=.38 <br /> Depth to Water: ;L- 35 _ft from TOC Factor(VF) 4"=.66 5"=1.02 6"=1.50 12"m 5.60 <br /> Water Column: <br /> Water Column Volume: 1.b 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 Potentia!(ORP) Conductivity <br /> al (mg/L mVolts) °C us1cm NTUs <br /> V 1 3 Z3 q- <br /> 2 <br /> 57 3 <br /> a ti L3 <br /> Sample Collection: <br /> Date Sampled: <br /> Sampling Method: Disposable Bailer/Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> -L 5 40 mL glass vial Ice/HCl TPHg 8015, BTEX 8021, 5-O 's 8260 <br /> Comments I <br /> Signature 9Date <br /> � i • <br />