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a <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-15 <br /> Site Address: 437 East Miner Avenue, Stockton,Ca. <br /> ENSR No. 06940-325-100 Well ' Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: Field Tech(s): <br /> Date Purged: <br /> Purge Method: Disposable bailerlother ►Ml� Weather Conditions: 4y► <br /> Casing Material: r- 'r L <br /> Well Diameter: 2.00 in. <br /> Total Depth: 116.73 ft from TOC Volume 314"=0.02 1"=0.04 2'=.16 3"=,38 <br /> Depth to Water: ( 00 ft from TOC Factor(VF) 4'=.66 5"=1,02 6'=1.50 12'=5.80 <br /> Water Column: . ft• <br /> Water Column Volume: 13 •r gal(WC X VF) 80%Recovery from TOC: =Total Depth-(Water Column X .e) <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential (ORP) Conductivity <br /> al (mg/L) (mVolts) °C uSlcm T Y s <br /> 0 — � • <br /> aq <br /> 1 I R�r� t tp +r <br /> 4 ! (QC6 IAN <br /> 4 <br /> a <br /> Sample Collection: _ <br /> Date Sampled: '?� 1_��� !� 3 • 3 <br /> Sampling Method: Disnnsa, blBa' d0ther <br /> Sample Type: Grab <br /> Sam le ID #of containers Container Type Preservation Analysis Time <br /> 1I�� 40 mL glass vial Ice/HCl TPHg 8015, BTEX 8021, 5-O 's 8260 010 <br /> Comments <br /> r <br /> Signature Date <br /> i <br />