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w <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-7 <br /> Site Address: 437 East Miner Avenue Stockton,Ca. <br /> ENSR No. 06940-325•-100 Well � Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: Field Tech(s): <br /> Date Purged: V/7�iQlt 1 <br /> Purge Method: Disposable baile othe T J Weather Conditions: 2 <br /> Casing Material: PuG _ <br /> Well Diameter: 2.00 in. <br /> Total Depth: 54.17 ft from TOC volume 314"=0.02 1"=0.04 2"=.16 3'=.38 <br /> Depth to Water: ;¢f�.3h _ft from TOC Factor{VF) 4"=.ss 5"=1.02 s"=1.50 12"=5.84 <br /> Water Column: 23.X'7 _ft• <br /> Water Column Volume: 3 ,� gal(WC X VF) 80% Recovery from TOC:=Total Depth-(Water Column X.8)= 5—- 07 <br /> Time Volume DO Redox Temperature Specific pH- Turbidity Color/Clarity Other <br /> Removed Potential (ORP) Conductivity <br /> al ma/L mVolts °C NTUz <br /> Z 4&44.r 110A dd <br /> rr t <br /> e i Z- •Lf <br /> y� z z3. <br /> 3 12,0 71 <br /> 4 <br /> Sample Collection: <br /> Date Sampled: �+ a <br /> Sampling Method: da' ther , <br /> Sample Type: Grab <br /> Sam le ID #of containers Container Type Preservation Anal sis Time <br /> Q—7 5 40 mL lass vial Ice/HCl TPH $015, BTEX 8021,5-O 's 8260 z <br /> Comments <br /> Signature Date. <br /> t/• <br />