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M98016MT <br />12/14/98 <br />Page Two <br />The Proctor tests were conducted in accordance with ASTM D698 <br />test procedures. If sufficient course material was in the Proctor <br />sample to be tested the course material was rock corrected in <br />accordance with appropriate procedures defined by ASTM D698. <br />Our review of the density test results indicates that a total of <br />fifty-three (53) density tests were performed during the period <br />from March through September 1998. The density test results <br />indicate that: <br />Number of tests <br />Relative Compaction <br />44 greater than 100% <br />24 greater than 105% <br />12 greater than 110% <br />5 greater than 115% <br />We feel that this is a reasonable spread of the test results when <br />dealing with a standard Proctor and diligent compactive effort. <br />These results do not appear unusual to us based on our experience <br />with similar compaction efforts on other sites. <br />Based on our density test results and our methods used to perform <br />the tests we feel that the density tests indicate the relative <br />compaction of the gob pile material tested at the locations and <br />elevations at the time tested. <br />If you have any questions concerning the geotechnical engineering <br />aspects of your project or if we may be of further assistance <br />please contact us. <br />Respectfully Submitted: <br />LAMBERT AND qqA..S~~ SOCI~A~TE~S j~ <br />rman W. hnston, P.E. <br />NWJfnr <br />Reviewed By: <br />Dennis D. Lambert, P.E. <br />cc: Bowie Resources Attention <br />Mr. Wm. A. Bear, Jr. <br />Lambert ana ~,soociateo <br />CONSULTING GEOiECN LAICAL EMGIN EERS ANO <br />N •iE RIAL TESTING <br />