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QUARTERLY REFUSE PILE INSPECTION REPORT <br />First quarter 2002 <br />Operator: Snowca Coal Com an <br />Permit: C-81-041 <br />Location RSRDA CRDA 1 CRDA 2 <br />Date 3/27/2002 3/27/2002 3/27/2002 <br />1 Com action Testin durin t]uarter Note 2 Note 3 Note 3 <br />2 Burnin ' - s eci extent and location No No No <br />3 See a e ` - s eci extent and location No No No <br /> Isolated pints on embankment slo es No No No <br /> At natural hill side No No No <br /> From dowhslo a foundation areas No No No <br /> From underdrains N/A Yes WA <br />4 Cracks in crest * No No No <br />5 Slou hin or bul in No No No <br />6 Major slo a erosion No No No <br />7 Rillin and ull in Note 4 Note 1 Nate 1 <br />8 Surface movement No No No <br />9 Erosion at toe " No No No <br />10 Water im ounded a ainst toe No No No <br />11 Diversion and collection ditches <br /> Clo ed No No No <br /> Erosion No No No <br />12 Could failure of facilit cause and im oundment No No No <br />13 Was bench com leted durin uarter No No No <br />14 Certification other than fill -Described below No No No <br />'Major adverse items could cause instability and may need to be reported to the DMG immediately. <br />Adverse conditions noted shall be more fully described below. <br />Note 1: The reclaimed areas are okay with no significant rills. The refuse above the reciaimed areas <br />was reshaped and covered with non-toxic material during the quarter. <br />Note 2: Two benches were cut along the west side of the RSRDA during She quarter. The material generated <br />from this excavation was placed and compacted along the north face of the pile. The voluminous <br />compaction test results are available for review at the mine office. <br />Note 3: No new material placed on the piles during the quarter. Piles are being reclaimed. <br />Note 4: Reclamation work during the quarter repaired the small rills noted on previous reports. <br />Cert~ie~(b~9 ~°a <br />~9Q~'I nel'Etfy~SltO~~bte best of my knowledge and belief, that the fill and other aspect of these refuse <br />~~,~~piFes are afi~h~ been constructed as permitted in the design approved by the DMG. <br />V i <br />air~~~~ ~ ~~'Z- <br />: <br />` a ate <br />e~Tnes E. Stover <br />, <br />, <br />'~~lorado Profes3iQr~~~ngineer #19230 <br />~:, ,,i»~ <br /> <br />-lO~u <br />