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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 Pg:' Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: Field Tech(s):J e9 .• � ��lG-� _ <br /> Date Purged:�A—w o i <br /> Purge Method: Disposable bailer/other Weather Conditions: lr­[. •�F` <br /> Casing Material: SIC" <br /> Wall Diameter: 2.00 in. <br /> Total Depth: 116.73 ft from TOC Volume 3!4"=0.02 1'=0.04 2'=.16 3"=.38 <br /> Depth to Water: ft from TOC Factor(VF) 4"=.66 5'=1.02 6-=1.50 12"=5.80 <br /> Water Column: ft. c�C <br /> Water Column Volume: 13.ul _ gal(WC X VF) 80%Recovery from TOC: =Total Depth-(Water Column X .8) _ /i•SZ <br /> Time Volume DO Redox Temperature Specific pH Turbidity Calor/Clarity Other <br /> Removed Potential(ORP) Conductivity <br /> al (mg/L mVolts °C) (uS/cm) (NTUs <br /> o D <br /> 1 ?. <br /> 2 1. • '�-• <br /> 3 y1iJ 'L <br /> 4 <br /> Sample Collection: <br /> Date Sampled: 4 <br /> Sampling Method:21s osa Bailer/Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container T e Preservation Analysis Time <br /> 5 40 mL glass vial Ice/HCl TPHU 8015,BTEX 8021,5-Oxys 8260 <br /> Comments <br /> Signature <br />