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f <br /> u <br /> 11 <br /> GROUNDWATER SAMPLING DATA SHEET Well/Piezo ID MW 31 <br /> Site Address 5606 Pacific Avenue,Stockton,CA II <br /> ENSR No 06940-293-100 Well Piezometer ❑ <br /> Unocal No 5098 <br /> Well Purging f=ield Tech(s) <br /> Date Purged <br /> Purge Methad bisplosable baler they, Weather Conditions <br /> Casing Material <br /> Well Diameter �2 00 in <br /> Total Depth m <br /> _90 00 it from TOC ;due 3r4 =0 02 1 =a 04 2 = 16 3 = 3e I <br /> Depth to Water S S ft from TOC I Fact« F 4 ='I 66 5 =102 6 =150 12 =580 <br /> Water Column tt I l <br /> Water Column Volume gal(WC X VF) 80%Recovery fromTOC =Total Depth-(Water Column X S)_ L <br /> Time Volume DO Redox Temperature { Specific pH Turbidity Color/Clarity Other Other <br /> Removed Potential(ORP) 11 Conductivity <br /> al L mvolts °C 1 (Usk-ml" (NTUs <br /> r 7 <br /> i 11 I r <br /> A(I Y r 11 r <br /> C C6 0 • II ]i7 7r1 tf <br /> II 11 I, <br /> I II <br /> I I <br /> Sample Collection i <br /> Date Sampled 1 L. G <br /> Sampling Method isptisabte Bad rl�ther �c i ] <br /> Sample Type Graa { i <br /> 1 <br /> Sample 10 #of containers Container Type Preservation 11 Analysis I Time <br /> 5 40 mt lass vial ice1HCl I TPHg 8015 Ar ` <br /> 3 40 mL glass vial ice/HCI I full'scan by 8260B &1,2 DCA,EDB by 8260B I ` <br /> �I 11 I <br /> u I <br /> Comments <br /> r� I <br /> Signature <br /> >,rrwa �w w11111111111111111 1111� � MEMO .� ..�. <br />