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GROUNDWATER SAMPLING DATA SHEET Weil/Piezo ID: U-22 <br /> Site Address: 437 East Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Well Piezometer <br /> Yom- ❑ <br /> Unocal No. 187 <br /> Well Purging- Field Tech(s): TTp G <br /> Date Purged: f � t)G J <br /> Purge Method: Disposable bailetf�R r- rid I Weather Conditions: /(,;t- <br /> -77 <br /> Casing Material: Pu C- <br /> Well Diameter: 2.00 in. <br /> Total Depth: 74.06 ft from TOC Volume 314"=O.02 1'=0.04 2"=.16 3"=.38 <br /> Depth to Water. ft from TOC lFactor(VF) 4"=.66 5"=1,02 6"=1.50 12"=5.60 <br /> Water Column: 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 <br /> Removed Potential (ORP) Conductivity <br /> gal (mg/L mVroits -7°C NTUs <br /> 0 / GCS. G is C <br /> 3 <br /> 4 <br /> Sample Collectioq�-' f ` <br /> Date Sampled: S <br /> Sampling Method $ IOther °T" <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial ice/HCI TPHg 8015,BTEX 8021, 5-0s 8260 <br /> Comments <br /> Signature ,� Date_ " <br /> �l <br />