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1MIdw <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-9 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR No. 06940-325-100 WeIIA6 Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: r•4 Field Tech(s): ✓e � �� '{�c c <br /> Date Purged: $/-! 1-0 r D L. <br /> Purge Method: Disposable bailer) they 24D - Weather Conditions: <br /> Casing Material: _ RuG <br /> Well Diameter: 2.00 in. <br /> Total Depth: 51.16 ft from TOC Volume 3/4'=0.02 1"=0.04 2"=.16 3'w.38 <br /> Depth to Water. ft from TOC Factor(VF) 4"=.66 5"=1.02 6"=1.50 12"=5.80 <br /> Water Column: 0• <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) (mVolts °C) VA, (NTUs <br /> n "IT. Z Q — .. <br /> 2 2w <br /> 3 <br /> 4 <br /> Sample Collection: <br /> Date Sampled: <br /> Sampling Metho . osable B • Nbther c c. el <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-O 's 8260 <br /> d <br /> 5 , <br /> Comm nts l` rcr ` � <br /> I <br /> ''1"J611"A'Ls L/ AILZV. MIM, EzeG <br /> Signature /Teti! Date_ _ - r1 <br />