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WESTERN <br />COLORADO <br />TESTING, <br />INC. <br />Client: Powderhom Coal Company <br />Project: Waste Coal Piles <br />Location: Cameo, Colorado <br />Type of Material: Waste Coal <br />Source of Material: Wash plant <br />SOIUAGGREGATE FIELD DENSITY TESTS <br />Test Locations Designated By: WCT <br />Authorized By: John Irwin <br />TestedlCalc'd By: R. Copley <br />Reviewed By: = F;F~ <br />MoisturolDensity Relationship: D$96 <br />Job No.: 600899 <br />Date: 830.98 <br />Data: 830.99 <br />Data: -Of 4~9T <br />Method: A <br />Test <br />No. <br />Date <br />Location of Test Hola Elevation <br />of Test <br />Datum <br />1 930.98 60' noRh of south side, 300' west of east side, Pile #2 +2 <br />2 930.98 20' north of south side, 400' west of east side, Pile #2 +2 <br />3 8-30-99 80' north of south side, 260' west of east side, Pile #2 +2 <br />4 830-98 300' north of south side, 300' west of east side, Plle #2 +2 <br />6 930-98 TTfi' north of south side, 600' west of east side, Pile #T +2 <br />8 9.10-89 105' north of south side, 795' west of east side, Pile #2 +2 <br />Test <br />No. Moisture <br />Density <br />Lab No. Optimum <br />Moisture Max. Dry <br />Density <br />pd In~lace Characteristics <br />Moisture Dry Density <br />% pd Relative <br />Compaction <br />X Within <br />Specs <br />Commertts• <br />1 2 8.0 84.2 7.0 80.7 86 Y 10 <br />T 2 8.0 94.2 7.1 81.4 87 Y 10 <br />3 2 9.0 84.2 8.9 83.6 98 Y 10 <br />4 2 8.0 94.2 8.6 92.7 98 Y 10 <br />5 2 9.0 94.2 9.4 95.3 100+ Y 10 <br />6 2 9.0 84.2 7.4 91.0 97 Y 10 <br />• ComneMs: <br />1. Subgnda <br />2 Subbaa FIY <br />3. Bar Courp <br />~. BackeY <br />6. Pavanwd Ann <br />9. Below Foottna <br />7. Above FootlnO Bottom <br />cop+.+ to: <br />t. 100% mb~ raq'd <br />9. W%min. nq'd <br />10.96% min. req'd <br />71.90% mla nq'd <br />1i _% mY~ req'd <br />13. Moldure req'd H- <br />ofopWraan <br />K. Tasted 0.16691AAS:FfTO T,t:17 <br />7i. Teded ASTM 0.t93LDJ077 <br />70. Tested AS7M 0.294LAASHTO <br />T-117 <br />17. Roett rnrrecaon applied to <br />ma:Ynan dry density AASHTO <br />T,t24 <br />1t Dinar: <br />10. Tedad laeatlona m AecmganyYp Bee PWi <br />?b, aPedautlona unMno~w~ <br />tt. 91i9% l:ampadlon required <br />Daturrr: <br />Note: Tests repartad to Irerabr are net part d a <br />eonOnuoua monltaMp poeram or <br />eampacilon oparatbns and aocordingh <br />apply ony to er ae4W location tasted <br />Nrb:iob.v3ooero9ao <br />