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r� Er _■r rr r �r rr r� rr r r■� rr r� rr r rr rr � r <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-11 <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): <br /> Date Purged: ; <br /> Purge Method: isposable bailerlGther •'�!�__._ Weather Conditions: L� <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: _ 34.52 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"=5,80 <br /> Water Column: /•. 7 7 _ ft. ti <br /> Water Column Volume: ^ter gal(WC X VF) 80%Recovery from TOC:=Total Depth-(Water Column X.8)= l✓ <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential (ORP) Conductivity <br /> gal (mg/L) (mvoft) ("C uSlcm stj (NTUs) ? <br /> lwyko f t 1 rfi <br /> 1Zt. 3, ar <br /> G — f fF if <br /> ' 6 2 <br /> � '� .f <br /> �• L, 3 - f f <br /> 4 L <br /> Sample Collection: <br /> Date Sampled: - ... -••v <br /> Sampling Metd <br /> ho :bis{.tosable 13511erT6Rher�� <br /> Sample Type: Grab <br /> Sam le ID #of containersi Container Type Preservation Analysis Time <br /> 5 40 mL glass vial Ice1HCI TPHg 8015, BTEX 8021, 5-O 's 8260 ' <br /> Comments <br /> Date <br /> Signature <br /> � 6 <br /> Y' 1 <br />