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E11�t. <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-14 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR No. 06940-325-100 Well jRr' Piezometer ❑ <br /> Unocal No. 187 1? �-T- <br /> Well Purging: Field Tech(s): .-i /Z <br /> Date Purged: D-10-04_ ` t <br /> Purge Method: Disposable bailer/other_ N? j <br /> i Weather Conditions: <br /> Casing Material: Q1 jG <br /> Well Diameter: 2.00 in. <br /> Total Depth: 74.56 ft from TOC Volume 314"=0.02 1'=0.04 2"=.16 3"=.38 <br /> Depth to Water: 1 -?-A ft from TOC Factor(VF) 4"=,66 5"=1.02 6"=1.50 12"=5.80 <br /> Water Column: ' !A3-� ft. <br /> Water Column Volume: L.Q gal (WC X VF) 80%Recovery from TOC:=Total Depth-(Water Column X .8) <br /> Time Volume 00 Redox Temperature Specific pH Turbidity Color/Clarity Other <br /> Removed Potential(ORP) Conductivity <br /> al (mg/L mV01ts °C (US/cm) NTUs <br /> o <br /> , <br /> t 2 4. 4 <br /> 3 • <br /> 4 <br /> Sample Collection: <br /> Date Sampled: <br /> Sampling Method: Disposable Bailer/Ott <br /> Sample Type: Grab <br /> Sample 10 #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial Ice/HCI TPHa 8015, BTEX 8021,5-Oxys 8260 <br /> Comments <br /> Signature Date <br />