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TYPICAL MONITORING WELL <br /> VENTED GAP <br /> LOCIONG STEW CASING <br /> (4-DAMETER) <br /> 7 ID SCH 40 PVC RISER GROUT <br /> i <br /> #10-20 SILICON SAND -- <br /> 2•ID SCH 40 PVC <br /> FACTORY SLOTTED SCREEN <br /> -- (0.18LOT) <br /> 61H' <br /> FIGURE 3 <br /> MONITORING WELL CONSTRUCTION DETAILS <br /> VARRA COAL ASH PROJECT <br /> WELD COUNTY, COLORADO <br /> PROJECT NO PREPARED BY <br /> 275,9m MCAD CGRS- - <br /> DATE /� REVIEWED BY COLORADO GROUNDWATER <br /> 6/19/w RESOURCE SERVICES <br />