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rr rr err r rr rr rr rr ar rr ar rr ■r rr r� rr ;!r <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-25 <br /> Site Address: 437 East Miner Avenue, Stockton,Ca. <br /> ENSR No. 06940-325-100 Well ® Piezometer ❑ <br /> Unocal No. 187 <br /> PA FIL <br /> Well Purging: LA k Field Tech(s): . <br /> Date Purged: y , <br /> Purge Method: Disposable bailer/other �" Weather Conditions:_ <br /> Casing Material: T V C <br /> Well Diameter: 2.00 in. <br /> Total Depth: ';t,k K 119.08 ft from TOC Volume 314"=0.02 1"=0.04 2'=.16 3"=.38 <br /> Depth to Water: cs ft from TOC Factor(VF) 4"=.66 5"=1.02 6"=1.50 12'=5.80 <br /> Water Column: 7-.CCK ft. L(g <br /> Water Column Volume: } V 0 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 /> (gal) mg1L mV01ts °C) (uS/cm) (NTUs <br /> ( r(c 0 0 , 140 f c vavr <br /> bIct.� Z. n ter. -- <br /> 3 'L S�- ILI (0 $z- <br /> 4 <br /> - <br /> Sample Collection: ` � <br /> Date Sampled: �1 q U3 f>Tw L <br /> Sampling Method: r/Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> U 40 mL glass vial Ice/HC1 TPHU 8015, BTEX 8021, 5-O 's 8260 <br /> Comments <br /> Signature Date- <br />