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I <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: _ <br /> Field Tech(s): !c r <br /> Date Purged:--a,_I win <br /> f <br /> Purge Method: Disposable ballerlher Weather Conditions: r!tr v <br /> Casing Material: UL <br /> Well Diameter: 2.00 in. <br /> Total Depth: 72.72 ft from TOC Volume 314"=0.02 1"=0.04 2"=.16 3"=.38 <br /> Depth to Water: _ .2 2- _ ft from TOC lFar-tor(W) 4"=.66 5"=1.02 6'=1.50 12"=5.80 <br /> Water Column: _ Tzi:-5b ft. <br /> Water Column Volume: _ gal(WC X VF) 80%Recovery from TOC: =Total Depth-(Water Column X.8) <br /> _ ��- <br /> Time Volume J DO Redox Temperature Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential(ORP) Conductivity <br /> al (mg/L mVolts °C uSlcm a' NTUs <br /> 0 41 2 1,Z l �r ,r! A <br /> 2 � - !+ t. <br /> 3 <br /> 4 <br /> Sample Collection: _ <br /> Date Sampled: u-.IlkZ _ <br /> Sampling Method:-lisp4s;A.Oje 13ailer7ether <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> U-;7itf-;7 5 40 mL glass vial Ice/HCl TPHg 8015, BTEX 8021,5-O 's 8260 <br /> Comments ' ' r H c) III :�4' Lcc.� <br /> i' / <br /> IZ7 ` 1 <br /> Signature J' Date <br /> ` "le <br />