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E�1Rs <br /> GROUNDWATER SAMPLING DATA SHEET WeII/Piezo ID: U-18 <br /> Site Address: 437 East Miner Avenue, Stockton, Ca. <br /> ENSR No. 06940-325-100 Wel Piezometer ❑ <br /> Unocal No. 187 <br /> Well Purging: . Field Tech(s): h.ja 11 �cr r• <br /> Date Purged: ,� f ` <br /> Purge Method: Disposable bailerlpfhe,rr' . :i+ a Weather Conditions: � ti G - <br /> Casing Material: .13 <br /> Well Diameter: 2.00 in. <br /> Total Depth: .�,19.06 it from TOC Volume 314-=0.02 1"=0.04 2"=.16 3"=.38 <br /> Depth to Water: _ T[.[: ft from TOC Factor(VF) 4"=.56 <br /> 5"=1.02 6"=1,50 12"=5.80 <br /> Water Column: o ft. <br /> Water Column Volume: gal(WC X VF) 80%Recovery from TOC: =Total Depth-(Water Column X.8) <br /> Time Volume no Redox Temperature Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential (ORP) Conductivity <br /> gal (mg/L mVolts °C (US/CM) ctNTUs <br /> r o tf Z <br /> 1 , r <br /> 2 ti f t ZZ -71 <br /> 3 1157 711 <br /> 4 <br /> Sample Collection; <br /> Date Sampled: 11-1P , <br /> Sampling Method: tsposable BailerlOther ri <br /> Sample Type: Grab <br /> Sample ID #of containers Container Type Preservation Analysis Time <br /> - ' 5 40 mL glass vial Ice/HCI TPHg 8015,BTEX 8021, 5-O 's 8260 <br /> Comments <br /> f y r 'r, ticR <br /> Date <br /> ! ` _ <br /> Signature^ ' /I -,/,.r l.r <br /> f' <br /> �r r r rs r r s� r� err r r rr r� r ■■■ r rr rr r <br />