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Spoil Fill #8, <br />March 29, 2006 <br />Page 2 <br />FII,L PLACEMENT <br />Fill placement has been completed in accordance with the approved plan. No additional fill placement is <br />anticipated. <br />COVER MATERIAL <br />Final fill configuration has been established and topsoil material has been placed on the excess spoil-fill. <br />The area was mulched and seeded in the fourth quarter of 2003. Soil was placed and spread on the upper <br />most surface of the fill in May of 2004. During the second quarter of 2005, areas disturbed by maintenance <br />of the armored down-drains were seeded using certified weed free straw and the approved rangeland seed <br />mix. <br />STRUCTURAL INTEGRITY <br />The entire excess spoil. fill facility was examined for signs of failure and instability such as tension cracks, <br />ground movement, springs and seeps, and standing water. No indication of potential instability was <br />observed. <br />DOCUMENTATION AND OTHER OBSERVATIONS <br />Final grading of Lneral drainage ditches, followed by seeding remains to be completed. Overell, vegetation <br />is becoming well established and erosional problems not evident. Very limited early vegetation growth was <br />noted. <br />CERTIFICATION <br />This inspection was conducted by Ronald G. Thompson, a qualified professional and MSHA certified <br />inspector of earth and rockfill embanlmrerrts and impoundments, ~mder the direction of Mr. Charles <br />McGlothlin, a registered professional engineer 8censed in the State of Colorado. <br />This is to certify, to the best of my knowledge and belief; that Fdl No. 8 construction and placement, as <br />noted since the previous certification and as determined during this inspection and discussions with mme <br />personnel, is in accordance with designs as proposed by CTL Thompson in their report dated Apri127 and <br />amended July 27, 2001 and as approved by the Division of Minerals and Geology. <br />3 ~ / <br />~': <br />onald G. Thompson Charles W. ' cGlothlin " ~ ';. ~ ~ _ <br />H = ~ ,, <br />-, ,91ti <br />-: , ~ -- <br />