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GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-10 <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): <br /> Date Purged: 211� I L`g_ <br /> Purge Method: Disposable bailer/other Weather Conditions: r Oto <br /> Casing Material: <br /> W eli Diameter: 2.00 in. <br /> Total Oepth, 119.89 ft from TOC Volume 3/4'=0.02 1'=0.04 2"=.16 3"=.3a <br /> Depth to Water; ft from TOC Factor(VF) 4"-=.66 5"=1M s"=1 so 12-=s.eo <br /> Water Column: <br /> Water Column Volume: i ''T `"I gal(WC X VF) 80%Recovery from TOC:=Total Depth-(Water Column X.8)_ <br /> Y 4l, <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential (ORP) Conductivity <br /> gal mg/L} (mVolts) (°C) US/cm) NTUs <br /> 0. r a 117— ' ty ` <br /> G, 0 (0.33 � t <br /> IL <br /> 1z <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 /> U 4 40 mL glass vial Ice/HC1 TPHg 8015,STEX 8021,5-O 's 8260 <br /> Comments <br /> Signaturelr✓`1+:� � Date C� <br />