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I.A BO R,aTORY gE7ORT SDIL/AddREOATE FIELD DENSITY TESTS Client Powderhorn Coal Company Caller Box 3034 Gillette, WY 82717 CroleCt Compaction Testi Loudon Cameo, Colorado Type of Material Coal Waste Source of Material lob NO. 7001901 lab./Invoice No. Date 4/20/90 Reviewed 8y /Coal Refuse Disposal Area #2 ____ HuthaizedBv Client --_-_- _. Date 4/19/90 .____ ___ Tested/CaIC.Bv Robert Pfister Moisture/Density Relationship T-180 Meth. C Test Cautions Designated By Robert Pfister rr,l I o.Q --- t•c.t~.drtitrw. E4.•uew ~ dint i ~ O.tt.n . ~ 1 !4/20/90 See map attached ~ 0 i 1 2 4/20/90 See map attached L O i 3 14/20/901 See map attached ~ 0 ' ' Y ~Y/ LUr 7V JCC 111Q~., QI... I. (31..11611 i V 5 '4/20/90] See map attached ! 0 6 t4/20/90~ See man attached 0 i AAIVf[Y/! vy.llnVT ,.{.•. NI Iw.PIKf ChJIKtIIIf[Kf R•1•b.• lyltfllw I( T•fl t"O~ ttfw4fy t.d. ra. /MOi\NR x Oenfth cd htOlftY(f x o-Y OenfltY od CAnOKT~On x SO•o r ~pwynfnU• 1 ~ 1 12.2 88.5 13.0 89.6 100+ 13, 20 2 1 12.2 88.5 13.0 88.6 100+ 13, 20 3 , 1 12.2 88.5 13.0 90.0 100+ 13, 20 ' 4 1 12.2 88.5 13.0 88.4 100 13, 20 5 1 12.2 88.5 13.0 88.4 100 13, 20 6 1 12.2 88.5 13.0 89.7 100+ 13, 20 'Cprrr~•wU t. slbat.d. ~. lmx lwlw. ,p'd U. T•snd 6133L/MSMTO T-717 ». Tnt t:aUsw aS ARywpuryM~ s;e. n.w Z. S.bb•f• III t. 9/%wwl. rq'd. 13. Tnt•d ASTM D7177/[)70t7 70. Sn•drlratian Ulriwtw.w ~.lnf•r~.,,,. ,o.nxT~w.,.~d. ,a.r„[.dwsTns o-»u/MS„TOr.nT Existing grade .. 6•dlill 11.90%rNn,tp'd. 17 Rtai mnacr.on.od+d ra rnuwn•n rwww S. f'•wwwt M• 17. aS% inM. np'd. dry dwvM1. ,1w5Mr0 T.tN N•t•: T•M• Nyrt•d Iw•Iw •n w•t W[ d • tswlwal• IwW. ~ M~Reonwa Batton IJ la. Qllw pf,lw/p•/•Iwdt»r~la epf.•tl•nf uld •tmrdwalY 7. ADo.• itsln~ Btnetn W W, uwlp m tlr •cTrl laato. lr•1•d COD~eS IO: Note: Dry densities were calculated from wet densities using a composite oven dry moisture content.