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E11�lt <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-18 <br /> Site Address: 437 East Miner Avenue,Stockton,Ca. <br /> ENSR Job#: 06940-325-100 Well Piezometer ❑ <br /> Unocal Job#: 0187 <br />� <br /> Well Purging: (/ Field Tech(s): <br /> Date Purged: d� o F 1 <br /> Purge Method:Disposable bailer/other Weather Conditions: <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 79.06 ft from TOC volume 314"=0.02 1'=0.04 T=.16 3'=.38 <br /> Depth to Water: 3 Q 4O ft from TOC lFactorff) 4"m.66 5'=i.02 6"=1.50 IZ'=s.80 <br /> Water Column: ft. `"i► O <br /> Water Column Volume: r7 gal(WC X VF) 80%Recovery from TOC:=Total Depth-(Water Column X.13)= <br /> Time Volume DO Redox Temperature Speciflc pH Turbidity Color/Clarity Odor Other <br /> Removed Potential(ORP) Conductivity <br /> a! m 1L mVolts °C uSlcm NTUs <br /> 0 Cd or, <br /> c , n G I <br /> 2f3 ZIo 3 �f Grp GI r3 Qlr <br /> 4 <br /> Sample Collection: <br /> Date Sampled: gX-AP <br /> Sampling Method:Disposable Bailer/Other 915 lP <br /> Sample Type: Grab <br /> Sample ID #of containers ContainerType Preservation Ana sis Time <br /> U 1 if 5 40 mL glass vial Ice/HCI TPHg 8015,BTEX 8021,5-O 's 8260 ` y <br /> Comments <br /> Signature Date <br /> ■w <br /> ww �■w w �w w w� ■w � w <br />