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r . r � � r� ai■� ■r i r r r �r■ r r �■r� rr <br /> e <br /> GROUNDWATER SAMPLING DATA SHEET WelllPiezo ID: U-16 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR Job#: 06940-325-100 Well Piezometer ❑ <br /> Unocal Job#: 0187 <br /> Well Purging: ) ,p Field Tech(s): U C� <br /> Date Purged. ( r G <br /> Purge Method: Disposable bailer/other Weather Conditions:, <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 1 73 ft from TOC volume 314'=0.02 V-0.04 r=.16 T_.3a <br /> Depth to Water: ft from TOC factor(VF) 4'z.66 5'=1.02 6'=1.50 12'=5.80 <br /> Water Column: ft. <br /> Water Column Volume: gal(WC X VF) 80%Recovery from TOC:=Total Depth-(Water Column X.8)= <br /> Time Volume DO Redox Temperature Specific pH Turbidity ColorlClarity Odor Other <br /> Removed Potential(ORP) Conductivity <br /> al (mg/L mVolts °C (us/cm) NTUs <br /> O:lb a <br /> 1 c&a t' o <br /> 4 <br /> I <br /> i Sample Collection: <br /> Date Sampled: 2-'/ ' Q <br /> Sampling Method: Disposable Bailer/Other <br /> Sample Type:Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial Ice1HC1 TPHg 8015,BTEX 8021,5-0 's 8260 0 2 <br /> Comments <br /> _/ 47.O r <br /> Signature Date <br />