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Adak <br /> EXPLORATION ILL HOLE LOG HOLEo. 16 <br /> (Continued) <br /> MONITORING WELL INSTALLATION ATE 5/12/83 LOGGED BY JEM <br /> PROJECT FORWARD, INC. , CLASS II - 1 DISPOSAL SIT <br /> DRILL RIG AT - 650 HOLE DIA. 8" SAMPLER None <br /> GROUNDWATER DEPTH INITIAL 731± FINAL 37'± HOLE ELEV. 41'± <br /> _ w <br /> O w <br /> u+ O _p Z .n <br /> Y 2 W WCd Z. T O - <br /> ►- o w Z O <br /> rd �- ' O <br /> In <br /> DESCRIPTION _ `" '" > ® z W <br /> at® < .®+ �., W W <br /> ® <br /> O "' 3 v O O O < j 0 <br /> .n ® ® J < > <br /> Z <br /> Silty CLAY; brown, moist, stiff CL <br /> to hard <br /> 55 <br /> Grades gray-brown in color <br /> 60 <br /> Hard drilling 65 - <br /> 70 <br /> First groundwater between 72' and <br /> 751 . Less difficult drilling to 80' <br /> 75 <br /> 80 <br /> Hard drilling below 80' <br /> 5 <br /> 90 <br /> Less difficult drilling between 90' <br /> and 95' ; drills like wet sand. <br /> No cuttings <br /> 95 <br /> Bottom of hole @ 100' 1 110011 <br /> Drill Hole converted to monitoring well by installing 100' of 3" PVC casing. <br /> Perforations from 100' back to 701 . <br /> PROJECT 116-1.4 BETA ASSOCIATES Pa e 2 of 2 <br />