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GROUNDWATER SAMPLING DATA SHEET Weil/Piezo ID: U-15 <br /> Site Address: 437 East Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Well .A Piezometer ❑ <br /> Unocal No. 187 r <br /> Well Purging: Field Tech(s): . r<i� 1N <br /> Date Purged: / 7- es i <br /> Purge Method: Disposable bailer/other_ 1"L �ri�f-t ��'�!' Weather Conditions: <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 116.73 ft from TOC Volume 314^=o.o2 1"=0.04 2"=,16 3"=.38 <br /> Depth to Water: 2:. ft from TOC Factor(VF) 4"=.66 5"=1.02 6"=1.50 12"=5.80 <br /> Water Column: a{o h ft. <br /> Water Column Volume: 5 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 (m 1L) (mvolts °C uSlcm NTUs <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 /> 0- j4 5 40 ml-glass vial Ice/HC[ TPH 8015, BTEX 8021, 5-O 's 8260 C.J <br /> Comments <br /> Signature - Date <br />