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1 � <br /> MONIT RING WELL CONSTRUCTION DETAILS <br /> Project Unocal Service Station No. 5886 Mointoring Well No. MW-2 <br /> 2701 W March Lane Elevations- <br /> Stockton, California Top of Riser- -030 <br /> Delta No, D095-066 Ground level 0.13 <br /> PROTECTIVE CASING <br /> L N <br /> LOCKING WATERTIGHT CAP <br /> FLUSH GRADE WELL CONSTRUCTION <br /> DIAMETER AND MATERIAL 24-inch steel <br /> TOTAL LENGTH 1 foot <br /> ' THICKNESS & TYPE OF SEAL 1 foot concrete <br /> ' L2 <br /> I AMETEK, MATERIAL, & JOINT TYPE OF RISER PIPE 2-inch SCH 40 PVC, flush threaded <br /> TYPE OF BACKFILL AROUND RISER <br /> Neat cement <br /> L4 <br /> ' THICKNESS & TYPE OF SEAL 1 foot hentonne <br /> 11STANCE OF FILTER SAND ABOVE TOP OF SCREEN 1foot <br /> TYPE OF FILTER AROUND SCREEN Lonestar No 3 sand <br /> —MONITORING WELL MATERIAL Sch 40 PVC <br /> L3 <br /> ' --,*---SCREEN GAUGE OR SIZE OF OPENINGS [SLOT SIZE) 0 020-inch <br /> DIAMETER AND LENGTH OF SCREEN 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 = 0 5 FT MonitoringWell Water Level Measurements <br /> L2 = 46 FT Date Time Water Level* <br /> L3 = 200 FT 09/06/96 12 10 2 m 8 13 <br /> L4 = 250 FT 09109196 10 05 a m 822 <br /> installation Completed <br /> Date 09/04/96 <br /> Time 12 00 p m �a <br /> ' �...`""`w"": * Measure Point To of casing <br />