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GROUNDWATER SAMPLING DATA SHEET WeIUPiezo ID: U4 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR No, 06940-325-100 Well Piezometer ❑ <br /> Unocal No. 187 / <br /> Field Tech(s): / /� <br /> Well Purging: - —— <br /> DatePurged: _ <br /> Purge Method:Disposable bailer/other iL 011-f ?.i. P_ Weather Conditions:! v <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 54.11 ft from TOC volume 3/4--0.02 1"-0.04 x'=.1a 3'=.38 <br /> Depth to Water: "Zo.&I It.from TOC FacWor 4"=.66 5"z 1.02 Wo 1.50 12'=5.80 <br /> Water Column: - �• r� <br /> Water Column Volume: _ `� •_gal(WC X VF) 80%Recovery from TOC:=Total Depth-(Water Column X.8)=M 3 S 7�- <br /> Time Volume DO Redox Temperature Specific pH Turbidity Calor/Clarity Other Other <br /> Removed Potential(ORP) Conductivity <br /> al m L mVoits °C (US/cm) NTUs <br /> U 0 7. .4A ,t .q Zr5it Vt yJ� <br /> 1 ;.a (9. t <br /> (� e:0 -7 L, ,I,q to <br /> yo 3 <br /> 4 <br /> Sample Collection: <br /> Date Sampled: <br /> Sampling Method:Disposable Bailer! they <br /> Sample Type:Gra <br /> Analysis Time <br /> Sample ID of containers Container Preservation <br /> 5 40 m!. lass vial Ice/HCI TPH 8015,BTEX 8021,5-0s 8260 /21 <br /> Comments "rf/i wS S �v �tJIL 1�D T <br /> :qtrl R G► �� ti <br /> Signature Date f 1 -/j -0q <br />