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"A M 4't--I N"Ov-kYGr -- <br /> GROUNDWATER MONITORING WELL <br /> m:a F x DEVELOPMENT/PURGE/SAMPLING WORKSHEET <br /> Project Name Union Ice/Groundwater Sampling and Closure/CAIProtect No 953-7001 001 <br /> to Address 1320 Weber Street, Stockton, CA <br /> Well Number MW-9 Well Integrity <br /> Casing Diameter(inches) 4" Baiter Check <br /> Total Well Depth (feet) 32 5 Floating Product(feetrnches) <br /> Initial Depth to Water(feet) Sheen/iridescence <br /> l <br /> Casing Volume(gallons) /4-a 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 X 017 = <br /> 40 �2 5 - q� X 066 = ,Z <br /> 45 - X 083 = <br /> 60 - X 150 = <br /> 800A Recovery = (0 2)(Total Well Depth) + (0 8)(Indial Depth to Water) = Feet <br /> _ (0 2)( ) + (0 8)( = Feet <br /> Development Method d Purge Method J Sample Method ,J <br /> Bailer Teflon Baiter Teflon Bailer <br /> rge Block Stainless Steel Bailer Stainless Steel Bailer <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 /> Stagnant Volumes <br /> Purged Volume Purged(gal) Time Temp(°C) pH Conductivity(µS) Turbidity Color(visual) <br /> o -o- f ; �5 <br /> 2 2$ f 5,De- <br /> 3 <br /> 4 <br /> 5 <br /> 6 <br /> Purge Water Containment gallons, 55-gallon drum(s) tank(s) <br /> nature Date <br /> 437002 GW <br />