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- <br /> GROUNDWATER MONITORING WELL <br /> �E s 4 r DEVELOPMENT/PURGE/SAMPLING WORKSHEET <br /> roject Name Union Ice/Groundwater Sampling and Closure/CA Project No 953-7001 001 <br /> Address 1320 Weber Street, Stockton, CA <br /> Well Number MW-9 Well Integrity <br /> Casing Diameter(Inches) 4" Bailer Check <br /> Total Well Depth (feet) 32.5 Floating Product(feettinches) <br /> Initial Depth to Water (feet) '� ?^r *f= _ = - 0 S !S �- Sheen/iridescence <br /> l <br /> Casing Volume(gallons) / ., Odor <br /> CASING VOLUME CALCULATION <br /> Well Casing Gal Per linear Ft of Casing Volume <br /> Da (in) Total Well Depth(ft) Depth to Groundwater(ft) X Groundwater (gallons) <br /> 20 - x 017 = <br /> 40 32 5 /0,4� x 066 = '2 <br /> 45 - X 083 <br /> 60 - X 150 = <br /> 80%Recovery = (0 2)(Total Well Depth) + (0 8)(Imtlal Depth to Water) Feet <br /> (0 2)( ) + (0 8)( ) = Feet <br /> Development Method Purge Method Sample Method .! <br /> Bader Teflon Bader Teflon Bailer <br /> go Black 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 /> Avr Uft 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 /> 0 -0- <br /> 1 <br /> 0-1 4 3 -� 21 2 ruS� , LtCILv <br /> 2 �a r5.oz *6 Z- w <br /> i! <br /> 3 f5 ie 419() <br /> 4 <br /> 5 <br /> 6 <br /> Purge Water Containment gallons, 55-gallon drum(s), tank(s) <br /> nature Data <br /> 37002 GW <br />