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GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: NP-1-22 <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: --12"Uy <br /> Purge Method: _s�sable bailedother Weather Conditions:C/ "�F T �T <br /> Casing Material: L <br /> Well Diameter: 1.00 in. <br /> Total Depth: 33.26 ft from TOC Volume 3/4"=0.02 1"=0.04 T=.116 3"=.38 <br /> Depth to Water: .L.C4 ft from TOC lFactor(W) 4"=.66 5"=1.02 T=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 Color/Clarity Other <br /> Removed Potential (ORP) Conductivity <br /> al m IL mV01ts °C uSlcm NTUs <br /> o <br /> 1 O. <br /> Z 2 P t 0- 164 <br /> - <br /> 3 <br /> y 4 6. <br /> I <br /> Sample Collection: t` <br /> Date Sampled:_I 'S <br /> Sampling Method: Disposable Bai er/Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container TXpe Preservation Analysis Time <br /> - L1- 5 40 mL glass vial Ice/HCI TPHg 8015, BTEX 8021,5-O 's 8260 <br /> Comments 4t7! z-- DaA1A) <br /> Signature �Datej�_/ � <br />