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t►� t3r otvy / - - <br /> GROUNDWATER MONITORING WELL <br /> a a n DEVELOPMENT/PURGE/SAMPLING WORKSHEET <br /> rolect Name Union Ice/Groundwater Sampling and Closure/CA Project No 953-7001 001 <br /> Address 1320 Weber Street, Stockton, CA <br /> Well Number MW-12 Well Integrity <br /> Well <br /> Diameter(Inches) 2" Bailer Check <br /> Total Well Depth (feet) 32.4 Floating Product(feet/inches) <br /> Initial Depth to Water(feet) Jo -q4 ( q SO 9I,z ra ; to $6IS Sheen/iridescence <br /> Casing Volume (gallons) g ( Odor <br /> CASING VOLUME CALCULATION <br /> Well Casing Gal Per Linear Ft of Casing Volume <br /> Dia (m) Total Well Depth(ft) - Depth to Groundwater(ft) x Groundwater = (gallons) <br /> 20 J1 ! - !b x 017 = <br /> 36 <br /> 40 - X 066 = <br /> 45 - x 083 = <br /> 60 - x ISO <br /> 80%Recovery _ (0 2)(Total Well Depth) + (0 8)(Initial Depth to Water) Feet <br /> dim (0 2)( 32. ) + (0 8)( to Feet <br /> Development Method d Purge Method d Sample Method <br /> Bailer Teflon Bailer Teflon Bailer <br /> age 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 Lrft Centrifugal Pump <br /> Other Other <br /> PURGE RECORD <br /> Stagnant Volumes <br /> Purged Volume Purged(gal) Time Temp(1C) pH Conductivity(gS) Turbidity Color(visual) <br /> -o- /1:35 <br /> t 3 6 1!: S 9 2 129 6 .Wo <br /> 2 11 sd14 1 1 S• �, ri ri si <br /> 3 /n g 12 ;09 93. 11v 2 <br /> 4 <br /> 5 <br /> 6 <br /> Purge Water Containment gallons, 55-gallon drum(s), tank(s) <br /> nature Date <br /> 370026W T� � {M <br />