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LOCKING WELL COVER <br /> CONCRETE APRON - <br /> SLIP CAP <br /> NEAT CEMENT <br /> BLANK 40 PVC CASING (SCHEDULE 40) <br /> 0 - 5 FEET <br /> BENTONITE PLUG <br /> FILTER PACK (# 3 SAND ) <br /> 0 . 020 SLOTTED PVC SCREEN (SCHEDULE 40 ) <br /> 5- 25 FEET <br /> PLUG I <br /> 8 " BOREHOLE DIAMETER <br /> N <br /> TYPICAL MONITORING WELL DESIGN SCALE <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE D <br /> NOT TO SCALE <br /> FEET <br /> SITE PLAN Advancea' <br /> GeoEnvironmental , Inc . <br /> GUARDING AND CRAWFORD of -A c/gym%• <br /> 517 WEST FREMONT STREET PROJECT NO. 95-0167 FILE: 167/FIG4 FIGURE: <br /> STOCKTON , CALIFORNIA DATE: 07 MAY 1998 DRAWN BY: EMM 2 <br />