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GROUNDWATER SAMPLING DATA SHEET WelllPiezo ID: U-19 <br /> Site Address: 437 East Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Well 51 Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: — Field Tech(s): <br /> I-e C <br /> nA t lct, _ � <br /> Date Purged: 2- l u(101 <br /> Purge Method: �(�r/other Weather Conditions: <br /> Casing Material: f �[C., <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: ft from TOC Factor(VF) 4'=.66 5"=1.02 6-=1.50 12'=5.80 <br /> Water Column: L ft_ <br /> Water Column Volume: i 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 Other <br /> Removed Potential (ORP) Conductivity <br /> al) (mg/L) (mvoits °C (US/cm) NTUs <br /> ILI ow 1 I , , +r <br /> 2 �a .ca Z C444 <br /> 4 `- <br /> �� <br /> Sample Collection: t �� <br /> Date Sampled: <br /> Sampling Method: rs r 00ther <br /> Sample Type: Grab <br /> Sample ID I#of containers Container Tye Preservation Analysis Time <br /> 40 mL glass vial Ice1HCl TPHg 8015, BTEX 8021,5-O 's 8260 f <br /> Comments <br /> Signature Qom'Auz Date � �� <br />