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GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID: U-16 <br /> Site Address: 437 East Miner Avenue,Stockton, Ca. <br /> ENSR No. 06940-325-100 Well [ Piezometer ❑ <br /> Unocal No. 187 y <br /> Well Purging: Field Tech(s):_�� � `�`�` -� J e��L� <br /> Date Purged: t 1, os- <br /> Purge <br /> Purge Method: Cher Weather Conditions: C 4 Ol JS4 <br /> Casing Material: NC <br /> Well Diameter: 2.00 in. <br /> Total Depth: 74.86 ft from TOC Volume 314"=0.02 1•=0.04 2"z.16 3"=,38 <br /> Depth to Water, > - {b ft from TOC Factor(VF) 4"=,66 5"=1.02 6'=1.50 12"=5.60 <br /> Water Column: '� �' •1 ft. <br /> Water Column Volume: gal(WC X VF) 80% Recovery from TOC: =Total Depth-(Water Column X.8) - <br /> 7'1 ' I <br /> Time Volume DO Redox Temperature Specific pH Turbidity Color/Clarity Other Otter <br /> Removed Potential (ORP) Conductivity <br /> (gal) mg/L) (mVolts °C) (uS/cm) (NTUs) <br /> 2. 0 - L(! .6 i.Z (-- , � 71csr:C-.) Cfo' <br /> I L I' 1 I-- a 3 r 00C <br /> 2 IS 105 I . , 2— r: <br /> 7. 3 <br /> 4 <br /> ALA —i ' <br /> Sample Collection: i <br /> Date Sampled: Z ! I T+nl - ?T <br /> Sampling Method: B195jjoaBaler ther <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> 40 mL glass vial Ice/HCl TPHg 8015, BTEX 8021, 5-O 's 8260 <br /> Comments <br /> Signature r-j,v kc ,i1 Date <br /> ■r Ir r rr rr r r r r rr r r r r rr r rr ri ■r <br />