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WELL COVER <br /> CONCRETE APRON <br /> Il <br /> LOCKING CAP <br /> NEAT CEMENT 0-25 FEET <br /> i <br /> BLANK 40 PVC SCREEN (SCHEDULE 40) <br /> 0-5 FEET <br /> BENTONITE PLUG, 2.5-3.5 FEET <br /> � �• r� <br /> t,• <br /> p .\ <br /> ••+fir <br /> 4 <br /> tiro err <br /> .4 a FILTER PACK (#3 SAND) 3 5-20 FEET <br /> 0020 SLOTTED PVC SCREEN (SCHEDULE 40) ±� <br /> 5-20 FEET <br /> y•. K• <br /> ti �t <br /> A, <br /> PLUG <br /> 8" BOREHOLE DIAMETER <br /> TYPICAL MONITORING WELL DESIGN <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> MONITORING WELL DESIGN � Adv�rlced <br /> GeoEnvironmental, Inc. <br /> YAMADA PROPERTY of Northern e.,:fornr. <br /> t5406 SOUTH TRACY BOULEVARD PROJECT NOAGE-NC-98-0452 FILE; IWE <br /> LL <br /> STOCKTON, CALIFORNIA FIGURE <br /> DATE: 26 JUNE ]998 DRAWN BY. MAC 3 <br />