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EP MR. <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-14 <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): �t11C C .1�Fif <br /> Date Purged: f ! J`F of 7 r, <br /> Purge Method: Disposable bailerlother til"c-"f f` � Weather Conditions: <br /> Casing Material: <br /> Well Diameter: 2.00 in. <br /> Total Depth: 74.56 ft from TOC Volume 314"=0.02 1"=0.04 2"=,16 3"=.38 <br /> Depth to Water: '' 7—ft from TOC Factor(VF) 4"=.66 5'=1,02 6"=1.50 12"=6.80 <br /> Water Column: fi.� <br /> Water Column Volume: r ' fi gal(WC X VF) 80% Recovery from TOC: =Total Depth-(Water Column X.8) <br /> Time Volume DO Redox Temperature Specific phi Turbidity Color/Clarity Other Other <br /> Removed Potential (ORP) Conductivity <br /> gal mg/L mVofts °C) (uS/cm) <br /> ` NTUs y� <br /> ICS i 0 r E s L s(O � �[ <br /> 4 <br /> Sample Collection: <br /> Date Sampled: I I I i is <br /> Sampling Method: Disposable Bailer/Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 5 40 mL glass vial ice/HCl TPHq 8015, BTEX 8021,5-O 's 8260 104,0 <br /> Comments <br /> .Signature ^ Date <br /> r sir err r r �r air ■■r r �rrrr r ar r rr �r ■r �r r <br />