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— <br /> GROUNDWATER MONITORING WELL <br /> K $< DEVELOPMENT/PURGE/SAMPLING WORKSHEET <br /> Project 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-10 Well Integrity &oac( � 3 <br /> Casing Diameter (Inches) 2" Bailer Check <br /> Total Well Depth (feet) 32 62 Floating Product(feetrinches) Nc) <br /> Initial Depth to Water(feet) f� f �', S o,'� f 5� ,� Sheen/Indescence �o <br /> Casing Volume (gallons) ?,,G Odor No <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 /> 20I h� i ,� L� ' X 017 <br /> 40 - X 066 = <br /> 45 - X 083 = <br /> 60 - X 150 = <br /> 80%Recovery = (0 2)(Total Well Depth) + (0 8)(lnihai Depth to Water) Feet <br /> (0 2)( 32 6'2—) + (0 8)( I! 4 J ) = Feet <br /> Development Method 4 Purge Method 4 Sample Method <br /> Bailer Teflon Bailer Teflon Bailer <br /> urge 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(µ5) Turbidity Calor(visual) <br /> ° -a- 12, 3S <br /> 2 <br /> 3 <br /> 4 <br />' 5 <br /> 6 <br /> Purge Water Containment gallons, 55-gallon drum(s), tank(s) <br /> ignature Date <br /> 9437002 GW <br />