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GROUNDWATER SAMPLING DATA SHEET WelllPiezo ID: U-24 <br /> Site Address: 437 East Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Well jay Piezometer ❑ <br /> Unocal No. 1 B7 <br /> Well Purging: 11 Field Tech(s): <br /> Dale Purged: -7-11�� C' <br /> Purge Method: other Weather Conditions: G I o,J�, <br /> Casing Material: P`Fc- <br /> Well Diameter: 2.00 in. <br /> Total Depth: 72.72 ft from TOC Volume 3!4"=6.02 11=0.04 2"=.16 3'=.38 <br /> Depth to Water: �, 40a ft from TOC Factor(VF) 4"=.66 5"=1.02 6"=1.50 12"=5.80 <br /> Water Column: Gf, ?'Y� ft. <br /> Water Column Volume: �f gal(WC X VF) 80% Recovery from TOC: =Total Depth-(Water Column X.13)_ 49 ,11 <br /> Y13 —� <br /> Time Volume O Redox Temperature Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential (ORP) Conductivity <br /> al) (mg/L) (mVofts °C (us/cm) NTUs <br /> 0 I I,C 0 gel CjV'k4 �. <br /> l [ t "'' tA'-✓)„c <br /> { �L 2 <br /> 3 ti <br /> 4 <br /> Sampletion:,�11� <br /> Date Sampled: f�'j"W <br /> Sampling Method: Other <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> -L 40 mL glass vial Ice/HCI TPHg 8015,BTEX 8021, 5-O 's 8260 <br /> Comments <br /> 6 <br /> Signature R" Date ti <br /> rr � r �r rr� rr r� �■r r rr r �■r rr rr rr r r r� r <br />