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GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-17 <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: 4-U`l - (�Pc_) -T <br /> Purge Method: Disposable bailer) he' - u: Weather Conditions: : Y4 I YL, <br /> Casing Material: �`� <br /> Well Diameter: 2.00 in. <br /> Total Depth- 114.63 ft from TOC Volume 314"=0.02 1"=0.04 2"=.16 3"=.38 <br /> Depth to Water: _ 5"'W ft from TOC Factor(VF) 4"=,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-(Water Column X.8)= aJ )- z 1 <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential(ORP) Conductivity <br /> gal m L mVolts °C yri NTUs <br /> o o.13' 91 <br /> 2 6 <br /> 4 <br /> Sample Collection.. <br /> Date Sampled: - C' / <br /> Sampling Meth- lsposable Baiferl hers, <br /> Sample Type: Grafi <br /> —Sample ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial Ice/HCI TPHg 8015, BTEX 8021, 5-O s 8260 <br /> Comments <br /> Dale <br /> signature ' ?✓ <br />