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E11�tm <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-24 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR No. 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: 1Field Tech(s): ` <br /> �)Dale Purged: -( ,(j <br /> Purge Method: Dlspo¢able bailer/ t, Weather Conditions: 6E - 0 V <br /> i � e <br /> Casing Materiat: PV C - <br /> Well Diameter: 2.00 in. <br /> Total Depth: 72.72 ft from TOC Volume 3/4"=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-m5-80 <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 ColorlClarity Other <br /> Removed Potential (ORP) Conductivity <br /> al (mg/L mvolts °C u NTUs <br /> ' 0 2& -153 22- 2 'It) 140.1 C- <br /> t - <br /> 2 f <br /> 3 r ` cs <br /> 4 <br /> Sample Collection__: <br /> Date Sampled: '— <br /> Sampling Metho -Dish sable BalibkOther �- <br /> Sample Type: <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial Ice1HC1 TPHq 8015, BTEX 8021,5-O s 8260 <br /> Comments <br /> t <br /> Signature Date <br />