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r ■■r rr rr r� rr rr rr rr r r r r r r rr r <br /> w a <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: NP-1-111 <br /> Site Address: 437 East Miner Avenue,Stockton, Ca. <br /> ENSR No. 06940-325-100 Well ❑ Piezometer .� <br /> Unocal No. 187 f <br /> Well Purging: Field Tech(s): �� �i&ffU2tT' <br /> Date Purged: <br /> Purge Method: Disposable bailer/other Weather Conditions: <br /> Casing Material: <br /> Well Diameter: 1.00 in. <br /> 'Total Depth: 111.24 ft from TOC Volume 3/4"=0.02 1"=0.04 2'=.16 3"m.38 <br /> Depth to Water: L. 1'- ft from TOC lFactor(W) 4"=.66 5"=1.02 6"=1.50 12"=5.80 <br /> Water Column: ' 66, 12, - ft. <br /> Water Column Volume: _ 3• L gal(WC X VF) 80% Recovery from TOC: =Total Depth-(Water Column X.8) <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Other <br /> Removed Potential (ORP) Conductivity <br /> gal) (mg/L) (mVolts "C (US/cm) NTUs <br /> o 'L <br /> 1 L 1 4•6 • 3 If <br /> 2 (Q Z .L —e>11 <br /> e 3 Z •s <br /> 4 <br /> Sample Collection: <br /> Date Sampled: <br /> Sampling Method: Disposable Bailer/Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial Ice/HCI TPHg 8015,STEX 8021, 5-O 's 8260 <br /> Comments 17/� 7[�1[� T �►�Q��� �.� <br /> Signature Date <br />