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GROUNDWATER SAMPLING DATA SHEET WelllPiezo 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):_�jl f U'��_� kala,\Az lea(l <br /> Date Purged: QnJf: <br /> Purge Method: Disposable'bailerlother Weather Conditions: li` <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 34.52 ft from TOC Volume 314"=0.02 1"=0.04 2"z.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: 1 ft. <br /> Water Column Volume: 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 Other <br /> Removed Potential(ORP) Conductivity <br /> (gal) (mg/L} mV01ts °C (US/cm) NTUs <br /> 2 f --iiu ' ° <br /> j L4 ,zm� 3 <br /> 4 <br /> Sample Collection: <br /> Date Sampled: <br /> Sampling Method: 's osable Ba „iter/ Cher <br /> Sample Type: Grab <br /> Sam le ID #of containers Container Type Preservation Analysis Time <br /> V-11 1w fi 40 mL lass vial Ice/HCI TPHg 8015, BTEX 8021, 5-O 's 8260 <br /> i <br /> Comments <br /> I <br /> Signature i Y;�: � Date <br /> .r . <br />