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BACKFILL MATERIAL <br /> GROUND SURFACE <br /> 3' <br /> 4 ,..,--CEMENT PLUG <br /> 7' 10 <br /> PLUG ACCORDING TO 4.07.3(2 <br /> r (for those intersecting aquifers) <br /> TYPICAL BOREHOLE SEAL <br /> Figure 8 <br /> 2.03-37 mvised 1112182 <br />