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MONIT-RING WELL CONSTRUCTIOP' DETAILS <br /> Project Unocal Service Station No 5886 Monitoring Well No MW-3 <br /> 2701 W March Lane Elevations. <br /> Stockton, California Top of Riser- -0.14 <br /> Delta No D095-066 Ground Level 0.03 <br /> PROTECTIVE CASING <br /> LOCKING WATERTIGHT CAP <br /> ' FLUSH GRADE WELL CONSTRUCTION <br /> DIAMETER AND DATER I AL 24-Inch steel <br /> ' TOTAL LENGTH 1 foot <br /> THICKNESS & TYPE OF SEAL <br /> 1 foot concrete <br /> ' tz <br /> IAMETER, MATERIAL, & JOINT TYPE OF RISER PIPE <br /> 2-Inch SC1i 40 PVC, flush threaded <br /> TYPE OF BACKFILL AROUND RISER <br /> Neat Cement <br /> L4 71 <br /> THICKNESS & TYPE OF SEAL <br /> 1 foal bentonite <br /> [CREEN <br /> NCE OF FILTER SAND ABOVE TOP OF SCREEN Ifoot <br /> TYPE OF FILTER AROUND SCREEN Lonestar No 3 sand <br /> L3 <br /> -------MONITORING WELL MATERIAL SCh 40 PVC <br /> ' GAUGE OR SIZE OF OPENINGS SLOT SIZE <br /> 0 020-Inch <br /> DIAMETER AND LENGTH OF SCREEN <br /> 2 Inches X 20 feet <br /> ' DEPTH TO THE BOTTOM OF MONITORING WELL 25 feet <br /> "DEPTH TO THE BOTTOM OF FILTER SAND 25 feet <br /> THICKNESS & TYPE OF SEAL NA <br /> DIAMETER OF BOREHOLE 8 inches <br /> ' L1 = 05 FT Monitorin Well Water Level Measurements <br /> ' <br /> L2 = 45 FT Date Time Water Levei• <br /> L3 = 200 FT 09/06/96 11 40 am <br /> $.16 <br /> L4 = 250 FT 09/09/96 10 03 a m <br /> 810 <br /> Installation Completed <br /> Date 09/04/96 <br /> Time 1050am <br /> ' + � Measure Point Top of cash <br />