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' CONCRETE APRON TRAFFIC RATEI D WELL COVER <br />' SURFACE GRADE WATER-TIGHT, LOCKING WELL CAP <br />' = GROUT SEAL (PORTLAND CEMENT) <br /> SCHEDULE 40, 2-INCH DIAMETER WELL CASING 0 5 - 1 FEET BSG <br />' BLANK WELL CASING <br /> 0 5-5 FEET BENTONITE PLUG <br />' 1-3 FEET BSG <br /> 1 <br /> 1 <br /> I � <br />' r FILTER PACK (#2/12 SAND) <br /> 3-15 FEET BSG <br /> 0010-INCH SLOTTED PVC WELL CASING <br />' 5-15 FEET BSG <br /> r <br /> r <br /> r <br /> THREADED BOTTOM WELL PLUG <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE 8-INCH DIAMETER BORING <br /> INOT TO SCALE <br /> MONITORING WELL DESIGN - MW- 1 B Advanced <br /> GeoEnvironmental, Inc <br /> FORMER CURTISS PONTIAC—BUICK ar CAO.a <br /> 2450 TOSTE ROAD PROJECT NO AGE-NC-98-0254 FILE a .xrrt■ FIGURE <br /> TRACY, CALIFORNIA DATE 19 MAY 2003 DRAWN BY KMM <br />