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rte■ E � � � w � � � � � �■ � ■■■ � � ■■� � �■ <br /> i • <br /> GROUNDWATER SAMPLING DATA SHEET WeII/Piezo ID: U-19 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR No. 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: �'y Field Tech(s)l: "14-a&L11 <br /> Date Purged: —0 �-"_-`'- �1 d-- <br /> Purge Method: Disposable bailer) er ��' 1 l�� .� Weather Conditions: v � �%Zfi �) <br /> Casing Material: G <br /> Well Diameter: 2.00 in. <br /> Total Depth: 118.42 ft from TOC Volume 314"=0.02 1"=0.04 2"=,16 3•=,38 <br /> Depth to Water: a aa ft from TOC Factor(VF) 4•=.66 5"=1.02 6"=11.50 12"=5.80 <br /> Water Column: ft. <br /> Water Column Volume: 13 3� gal (WC X VF) 80%Recovery from TOC: =Total Depth-(Water Column X.8) <br /> Time Volume DO Redox Temperature Specffic pH Turbidity CoforlClarity Other <br /> Removed Potential (ORP) Conductivity <br /> gal (ma/L mVolts °C ' NTUs <br /> o U z z <br /> E 1 2 7 <br /> 2 5S �' --7 <br /> 3 -77 <br /> 17 Sv� !c CC <br /> 4 <br /> Sample Collection: <br /> Date Sampled: , <br /> Sampling Metho 1sposable Bailer/ er z `G <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 /> Comments <br /> -i <br /> Date <br /> Signature � <br /> a <br />