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I <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-24 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> j ENSR Joh#: 06940-325-100 Well Piezometer [] <br /> Unocal Job#. 0187 , <br /> Well Purging: @ Field Tech(s): V c 7 <br /> Date Purged: <br /> Purge Method:Disposable bailer/other Weather Conditions: O <br /> Casing Material: <br /> Weff Diameter: 2.00 in. <br /> Total Depth: 72.72 ft from TOC Volume 3/4•=0.02 1"=0.04 2"=.16 3'_.3B <br /> Depth to Water. V-216ft from TOC Factor(VF) 4'c.66 5'=1.02 6'=1.50 12'=5.80 <br /> Water Column: {( <br /> Water Column Volume: gal(WC X VF) 80%Recovery from TOC:=Total Depth- <br /> p (Water Column X.8)_ el_ <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Odor Other <br /> j Removed Potential(ORP) Conductivity <br /> al m L MValts °C) (uS/cm) (NTUs <br /> I <br /> r to i Z! $' -CJEr <br /> L <br /> 2 <br /> t� lr <br /> Z : 3 "'..�' .z s CIt r <br /> Sample Collection: t, <br /> Date Sampled: 1 'd <br /> Sampling Method:Disposable Bailer/Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL lass vial Ice1HCl TPH 8015, BTEX 8021,5-O S 8260 <br /> Comments <br /> Signature ;?'""?� Dake ` <br />