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GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: Uel <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): t <br />� Date Purged: J <br /> Purge Method:Disposable bailer/other D09 4 �{���4+l Weather Conditions: wC <br /> Casing Material: _�VG- <br /> I <br /> Well Diameter: 2.00 in. <br /> Total Depth: 52.97 ft from TOC Volume 3/4'=0.02 1"=01A 2"=,16 3"=.38 <br /> Depth to Water: 30,19 ft from TOC Factor ff) 4"=.66 5"=1.02 6"=1.50 12"=5.80 <br /> Water Column: <br /> Water Column Volume: 3• 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) (mVelts °C uSlcm NTUs <br /> lilt a 5' .7 ! 7.3 <br /> IA 131*11 -7.2 <br /> 2 w !!{ moo. !me -7-01 L t <br /> 3 like <br /> 7- <br /> 4 <br /> Sample Collection: <br /> Date Sampled: ;. "O <br /> Sampling Method: isposable ailerl0 er <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 40 mL glass vial Ice/HCI TPHg 8015, BTEX 8021,5-O 's 8260 <br /> Comments <br /> r <br /> f4l- <br /> Signature bale ` <br /> r r r r r r r � r r r r r r r r r r rr I <br />