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rATERGROUNDAMPLING DATA SHEET Well/Piezo ID: U-11 <br /> Site Address: 437 East Miner Avenue,Stockton, Ca. <br /> ENSR No. 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: . r Field Tech(s): <br /> Date Purged: �`��('7t��_ „ <br /> Purge Method: Disposable bailed th � Weather Conditions: <br /> Casing Material: C, <br /> Well Diameter: 2.00 in. <br /> Total Depth: 34.52 ft from TOC volume 3/4•=0.02 1"=0.04 2"=.16 3"R.38 <br /> Depth to Water: ft from TOC Factor(VF) 4-=.65 5"=1.02 6"=1.50 12"=5.80 <br /> Water Column: ft. <br /> Water Column Volume: �Z gal(WC X VF) 80% Recovery from TOC: =Total Depth-(Water Column X .B)= <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Other <br /> Removed Potential(ORP) Conductivity. <br /> (gal) m 1L mVolts °C NTUs <br /> Z, 0 / �xM <br /> t Z r <br /> !� 2 Z <br /> q2 3 0 .;5- ya <br /> 4 <br /> Sample Collection: <br /> Date Sampled: <br /> Sampling Meth :Disposable Baile ther A <br /> Sample Type. Grab <br /> Sam €e ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial Ice/HCI TPI-Ig 8015, BTEX 8021,5-O 's 8260 <br /> Comments <br /> Signature Date�_�C� <br />