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�■r rr r� rr rr r� ri ■r �r rr r �r r r r rr r■i <br /> 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 <br /> Well ❑ Piezometer Q <br /> Unocal No. 187 <br /> Well Purging: Field Tech(s): -l <br /> Date Purged: i�, -/a s / <br /> Purge Method: Disposable bailer/other Ll Weather Conditions: <br /> Casing Material: <br /> Well Diameter: 1.00 in. <br /> Total Depth: 33.26 It from TOC volume 3/4"=0.02 1'=o.oa 2"_.1s 3^=.3s <br /> 0,2 from TOC Factor W) 4"=.66 5'=1.02 6"=1.50 12 =5 <br /> 3 <br /> Depth to Water: .80 <br /> Water Column: �: II1 --ft. <br /> Water Column Volume: — + Is1 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 Other <br /> Removed Potential (ORP) Conductivity <br /> at m !L mVolts °C U51cm NTUs <br /> 6 <br /> , 3 � U <br /> 4 <br /> Sample Collection: <br /> Date Sampled: /' N/ o <br /> Sampling Method: Disposable Bailer/Other— <br /> Sample Type: Grab <br /> Sample ID #of containers Contairter T e Preservation <br /> Analysis <br /> Time <br /> 5 40 mL lass vial ice/HCI TPH 8015, BTEX 8021, 5-O 's 826Q <br /> Comments 7 <br /> Date <br /> 4- <br /> Signature �& <br />