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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.: 10 <br />Date: 7123103 <br />Time: 4.5 <br />Mileage: 42 <br />Engr.fiech: RE <br />Work Performed: <br />As requested, we visited the project site on this date and conducted nuclear density test No.'s 235 through 244 <br />on the material being placed in the refuse pile. <br />Twentymile Coal Company crews had placed and compacted processed Waste Coal in Areas 1 and 2. We <br />obtained a moisture sample at each test location and obtained a bulk sample of the material from each area <br />tested and delivered them to our laboratory for checkpoint Proctor determination. The checkpoint from Area 1 did <br />not match any previous Proctor curves. Therefore, we performed a standard Proctor test with classification on this <br />material. This sample will be designated as Sample Number 7 for this project. The checkpoint Proctor from Area <br />2'/z also did not match any previous Proctor curves. A standard Proctor test with classification was conducted on <br />this material. This sample will be designated as Sample number 8 for this project. <br />Remarks: <br />The material tested generally met project the project specifications for compaction with the exception of test No. <br />241. <br />Please refer to the attached sheet for results of today's testing. <br />