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NC-*i O� Z - -- <br /> GROUNDWATER MONITORING WELL <br /> jCasing <br /> N -DEVELOPMENT/PURGE/SAMPLING WORKSHEET <br /> ra�ect Name Union Ice/Groundwater Sampling and Closure/CA Project No 953-7001 001 <br /> ite Address 1320 Weber Street, Stockton,CA <br /> Well Number MW-11 Well Integrity <br /> Diameter(inches) 2" Bailer Check <br /> Total Well Depth (feet) 30 90 Floating Product(feet/inches) <br /> Initial Depth to Water(feet) I/ 5 @ q" 7"�'e r� Sheen/Indescence <br /> Casing Volume (gallons) 33 Odor <br /> CASING VOLUME CALCULATION <br /> Well Casing Gal Per Linear Ft of Casing Volume <br /> Dia (in) Total Well Depth(ft) Depth to Groundwater(ft) X Groundwater = (gallons) <br /> 20 3o �a - 11 X 017 _ <br /> 40 X 066 _ <br /> 45 - X 083 = <br /> 6 0 X 150 = <br /> 800%Recovery = (0 2)(Total Well Depth) + (0 8)(Initial Depth to Water) — Feet <br /> (0 2)( ) + (0 8)( ) = Feet <br /> Development Method J Purge Method Sample Method J <br /> Bader Teflon Bader Teflon Bailer <br /> rge Block Stainless Steel Bader Stainless Steel Bader <br /> Submersible Pump Bladder Pump Bladder Pump <br /> Pneumatic Pump Submersible Pump Dipper <br /> Centrifugal Pump Pneumatic Pump <br /> Air Lift Centrifugal}pump <br /> Other Other <br /> PURGE RECORD <br /> �Stagnantolumes <br /> ed Volume Purged(gal) Time Temp(°C) pH Conductivity(µS) Turbidity Color(visual) <br /> 0 -0- (2 ) <br /> l0 (US/CM <br /> 2 " 1 aS3 �� `� p ii ,► Lt +� <br /> 3 10 'Q 15 b �' aS[l u '' u rr rr <br /> 4 <br /> 5 <br /> 6 <br /> Purge Water Containment gallons, 55-gallon drum(s), tank(s) <br /> lognature Date <br /> 19437002 GW <br />