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■■ir Er _ rr rr r � r rr �r rw rr rr rr r� ■r r r r r■ <br /> �� <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-5 <br /> Site Address: 437 East Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Well ® Piezometer ❑ <br /> Unocal No. 187 1 <br /> Well Purging: FieldTech(s): <br /> Date Purged: !f ( ' 0 <br /> Purge Method: Disposable bailer/other 1Z V 9.'A Weather Conditions: <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 52.55 ft from TOG Volume 314"=o.02 1"=0.04 2'=.16 3'=.38 <br /> Depth to Water: U 4'�'7'ft from TQC Factor(VF) 4"=.66 9"=1.02 6"=1.50 12"=5.50 <br /> Water Column: ").' ft_ <br /> Water Column Volume: 7gal (WC X VF) 80% Recovery from TOC: =Total Depth-(Water Column X <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 /> _ o <br /> t l 2 �7 ti• fc `` f'� Z <br /> E`C1 r 3 <br /> 4 <br /> Sample Collection_ <br /> [late Sampled: 0 ' I •7 '��� - <br /> Sampling Method: D osable Bailer/Other <br /> Sample Type: Grab <br /> SampleID #of containers Container Type Preservation Analysis Time <br /> 5 40 ml-glass vial Ice/HCI TPHg 8015,BTEX 8021, 5-O 's 8260 <br /> Comments <br /> t'7 - <br /> Signature <br /> w <br />