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..E _ ■r r err .� rr� r �. rr r r■r r. ..� �.�. r. �.. ar .. <br /> GROUNDWATER SAMPLING DATA SHEET WelilPiezo ID: U-7 <br /> Site Address: 437 East Miner Avenue Stockton,Ca. <br /> ENSR No. 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging. �1 Field Tech(s): tl 1 lc� <br /> Date Purged: <br /> Purge Method: isposable bailer/ her Weather Conditions.---L&J���... <br /> Casing Material: �✓ <br /> Well Diameter: 2.00 in. <br /> Total Depth: ry 54.17 ft from TOC Volume 314"=0.02 1"=0.04 2"=.16 3"=28 <br /> Depth to Water: .��� ft from TOC iFactor(VF) 4"=.66 5'=1.02 6"=1.50 12'=5.80 <br /> Water Column: .3 ft. <br /> Water Column Volume: ' gal(WC X VF) 80%Recovery from TOG:=Total Depth-(Water Column X.8)= .3S ,57 <br /> Time Volume DO Redox Temperature Specific pH Turbidity ColorlClarity Other Other <br /> Removed Potential (ORP) Conductivity <br /> al mg/L mVolts °C �s NTUs <br /> 4 <br /> o <br /> G l 3 +' i 2 ` <br /> 4 <br /> Sample Collection: <br /> Date Sampled: <br /> Sampling Metho Disposable BailekOtherr'G� lic, <br /> Sample Type: Grab <br /> -------- <br /> Sample <br /> .._--_Sam le ID 1#of containers Container Type Preservation Analysis Time <br /> rr <br /> 5 40 mL glass vial ice/HCl TPHg 8015, l3TEX 8021,5 O 's 8260 <br /> Comments <br /> Signature -'' Date_—( <br />