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M99012GE <br />2/17/99 <br />Page Two <br />Moisture content and dry density were determined for each sample <br />tested of the samples obtained. The moisture content for each <br />sample was determined according to ASTM Test Method D2216 modified <br />to 140 degrees fahrenheit. The dry density for each sample was <br />determined by using the wet weight of the entire sample tested. <br />The results of the moisture content and dry density determinations <br />and calculated relative compaction are presented on Figure 9. <br />The samples were visually matched to existing moisture content- <br />dry density relationship (Proctor) test results from previous work <br />performed by Lambert and Associates on the GOB pile material and <br />where a visual match could not be determined another moisture <br />content-dry density relationship test was performed from auger <br />cuttings obtained during our field study. Based on the moisture <br />content-dry density relationship (Proctor) test results relative <br />compaction was calculated for each sample tested. <br />Moisture content-dry density relationship (Proctor) tests were <br />conducted on select GOB material samples obtained during our field <br />study. The moisture content-dry density relationship (Proctor) <br />tests were conducted in accordance with ASTM Test Method D698. The <br />results of the moisture content-dry density relationship (Proctor) <br />tests, including previous test results are presented on Figures 10 <br />• through 14. <br />If you have any further questions concerning the geotechnical <br />engineering aspects of your project or if we may be of further <br />assistance please contact us. <br />Respectfully submitted, <br />LAMBE T AND ASSOC ~ TES <br />rman W. hnston, P.E. <br />NWJ/nr <br />cc: J.E. Stover <br />C J <br />lambert anD ~,s~,~ociate,o <br />GONSULPNG GEOTEOM HIGAL EHGIM EERS AMD <br />MALE RIAL TESTING <br />