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NORTHWEST COLORADO CONSULTANTS, INC. <br />Project: Refuse Pile <br />Location: Foidel Creek Mine <br />Client: Twentymile Coal Co. <br />Project No.: 99-3983 <br />Report No.: 4 <br />Date: 5131 /01 <br />Time: 4.0 <br />Mileage: 42 <br />Engr./Tech: RE <br />Work Performed: <br />As requested, we visited the project site on this date and conducted nuclear density test No.'s 195 through 200 <br />on the material being placed in the refuse coal pile. <br />Twentymile Coal Company crews had placed and compacted processed waste coal in the north refuse pile. We <br />obtained a moisture sample at each test location and a bulk sample of the material was obtained and delivered to <br />our laboratory for checkpoint Proctor determination. The checkpoint did not match any previous Proctor curves for <br />this project. Therefore, we performed standard Proctor testing and classification on the sample. This sample will <br />be designated as Proctor No. 6 for this job. <br />Remarks: <br />The material tested generally met project the project specifications for compaction. <br />Please refer to the attached sheet for results of today's testing. <br />Verbal Discussions: <br />Dave Wallace of Twentymile Coal Co. was notified of today's test results. <br />