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E� <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo 1D: U-9 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR Job#: 06940-325-100 Well CR Piezometer ❑ <br />- Unocal Jab#: 0187 <br /> Well Purging: -6,r Field Tech(s): <br /> Date Purged: 2` a <br /> Purge Method: Disposable baiierlother Weather Conditions: �tG� <br /> Casing Material: <br /> Well Diameter. 2.00 in. <br /> Total Depth: 51.16 ft from TOC Volume 3141=0.02 V=0.04 2'=.16 3"=.38 <br /> Depth to Water: ft from TOC Factor(VF) V m.66 5'=1.02 T=1.50 12"=5.60 <br /> Water Column: y O • ft. '`� A <br /> Water Column Volume: 3. gal(WC X VF) 80% Recovery from TOC:=Total Depth-(Water Column X.8) <br /> = v tl' <br /> Time Volume DO Redox Temperature Specific pH Turbid€ty ColorlClarity Odor Other <br /> Removed Potential(ORP) Conductivity <br /> al m L mV01ts °C uSlcm NTUs <br /> G� o <br /> 2 Gond <br /> 4 <br /> i <br /> ' I <br /> Sample Collect! j <br /> Date Sampled: : -o <br /> Sampling Method:Disposable Bailer/Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial lce1HCl TPHg 8015,BTEX 8021,5-O 's 8260 <br /> i <br /> Comments <br /> Signature Date <br /> i <br />