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' Project Unocal Service Station No. 5886 Monitoring Well No MW-1 <br /> 2701 W. March Lane Elevations: <br /> Stockton, California Top of Riser: -0.84 <br /> DDelta No D095-066 Ground Level -003 <br /> i `/� PRQTECTIVE CASINC, <br /> 1 L \ ` <br /> LOCKING WATERTIGHT CAP <br /> FLUSH GRADE WELL CONSTRUCTION <br /> D 1 AMETER AND MATERIAL 12-inch steel <br /> TOTAL LENGTH 1 foot <br /> ' TH i CKNESS & TYPE OF SEAL 1 foot concrete <br /> Lz <br /> I AMETEK, MATERIAL, d. JO i NT TYPE OF RISER PIPE 2-inch 5CH 40 PVC,flush threaded <br /> TYPE OF BACKFILL AROUND RISER <br /> ' Neat cement <br /> 71 <br /> LA <br /> THICKNESS & TYPE OF SEAL 1 foot bentonite <br /> IISTANCE OF FILTER SAND ABOVE TOP OF SCREEN 1foot <br /> -TYPE OF FILTER AROUND SCREEN Lonestar No 3 sand <br /> N I TOR I NG WELL MATERIAL Sch 40 PVC <br /> L] <br /> -'*---SCREEN GAUGE OR SIZE OF OPENINGS C SLOT SIZE) 0 020 tnch <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 S inches <br /> 1 <br /> L1 = 0.5 FT MonitoringWell Water Level Measurements <br /> L2 = 4 5 FT Date Time Water Level• <br /> L3 = 20.0 FT 09/06/96 11.06 a m. 7.45 <br /> L4 = 25.0 FT 09/09/96 10 08 a m 7 58 <br /> Installation Completed <br /> ' Date* 09/04/96 <br /> • Time 9.30 a m I)e <br /> fta <br /> I/A ' Measure Point To <br /> ' p of casing <br /> 1 <br />