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GROUNDWATER SAMPLING DATA SHEET Welt/Piezo ID: NP-2-22 <br /> Site Address: 437 East Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Well ❑ Piezometer <br /> Unocal No. 187 <br /> Well Purging: Field Tech(s): l:flaC [�f4��'Fil� <br /> Date Purged: '� IF - 4�'`( <br /> Purge Method: Disposable bailerlother Weather Conditions: tJt/>jZ x,45,r 5L46- SLY <br /> Casing Material: <br /> Well Diameter: 1.00 in. <br /> Total Depth: 38.08 ft from TOC Volume 3/4"=0.02 1"=0.04 2"=.16 3"=.38 <br /> Depth to Water: 1 1/0 ft from TOC Factor(VF) 4"=.66 5"=1.02 6'=1.50 12"=5.80 <br /> Water Column: ft. <br /> Water Column Volume: ,416 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 Other <br /> Removed Potential (ORP) Conductivity <br /> gal (mg/L mvolts °C (US/cm) NTUs <br /> �r It 1 ' 6 '7-3 ' 0.L'I <br /> 0' 0-Z 3 I *5 U s <br /> 4 <br /> Sample Collection: <br /> Date Sampled: I I ' r fj -G1r <br /> Sampling Method: lQjs le Bailer/Other <br /> Sample Type: Grab <br /> Sam le ID #.of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial Ice/HCl TPH9 8015, BTEX 8021, 5-O 's 8260 <br /> Comments <br /> ,i <br /> Signature r' ,y.r. Date <br /> tr <br />